Dr. Deirdre McNamara

• Raftery T, Merrick M, Healy M, Mahmud N, O'Morain C, Smith S, McNamara D, O'Sullivan M., Vitamin D Status Is Associated with Intestinal Inflammation as Measured by Fecal Calprotectin in Crohn's Disease in Clinical Remission., Digestive Diseases and Sciences, 60, (8), 2015, p2427 - 2435Journal Article, 2015, DOI
• Holleran G, Hall B, Breslin N, McNamara D, Long-acting somatostatin analogues provide significant beneficial effect in patients with refractory small bowel angiodysplasia: Results from a proof of concept open label mono-centre trial, United European Gastroenterology, 4, (1), 2016, p70 - 76Journal Article, 2016, DOI
• Parihar V, Holleran G, Hall B, Brennan B, Crotty P, McNamara D, A combined antral and corpus rapid urease testing protocol can increase diagnostic accuracy despite a low prevalence of Helicobacter pylori infection in patients undergoing routine gastroscopy , United European Gastroenterology, 3, (5), 2015, p432 - 436Journal Article, 2015, DOI
• Raftery T, Martineau AR, Greiller CL, Ghosh S, McNamara D, Bennett K, Meddings J, O'Sullivan M, Effects of vitamin D supplementation on intestinal permeability, cathelicidin and disease markers in Crohn's disease: Results from a randomised double-blind placebo-controlled study, United European Gastroenterology Journal, 3, (5), 2015, p294 - 302Journal Article, 2015
• Haider RB, Brennan DE, Omorogbe J, Holleran G, Hall B, O'Morain C, Breslin N, O'Connor HJ, Smith SM*, McNamara D*., A randomized-controlled study to compare the efficacy of sequential therapy with standard triple therapy for Helicobacter pylori eradication in an Irish population., European Journal of Gastroenterology & Hepatology, 27, (11), 2015, p1265 - 1269Journal Article, 2015, DOI
• Hall B, Holleran G, McNamara D, Pillcam colon 2 as a pan-enteroscopic test in Crohn's disease, World Journal of Gastrointestinal Endoscopy, 7, (16), 2015, p1230 - 1232Journal Article, 2015
• Hussey M, Mc Garrigle R, Kennedy U, Holleran G, Kevans D, Ryan B, Breslin N, Mahmud N, McNamara D, Long term assessment of clinical response to Adalimumab therapy in refractory Ulcerative Colitis, European Journal of Gastroenterology and Hepatology, 28, (2), 2016, p217 - 221Journal Article, 2016, DOI
• Holleran G, Hall B, Breslin N, McNamara D, The Natural history of small bowel angiodysplasia, Scandanavian Journal of Gastroenterology, 51, (4), 2016, p393 - 399Journal Article, 2016, DOI
• Smith S, Lean R, O'Connor H, McNamara D, Cullen G, O'Morain C, Gastroenterology in the elderly., Gastroenterolog, 18, (1), 2014, p14 - 18Journal Article, 2014
• D Mc Namara, W Hall, M O'Sullivan, C O'Morain C. , Altered cardia epithelial cell kinetics induced by Helicobacter pylori infection and gastro-oesophageal reflux disease: possible malignant potential? , European Journal of Gastroenterology & Hepatology, 15, (7), 2003, p767 - 772Journal Article, 2003
• Holleran G, Hussey M, McNamara D, Small bowel Dieulafoy lesions; an uncommon cause of obscure bleeding in cirrhosis, World Journal Gastrointestinal Endoscopy, 8, (16), 2016, p568 - 571Journal Article, 2016, DOI
• Clarke N, Gallagher P, Kearney PM, McNamara D, Sharp L, Impact of gender on decisions to participate in faecal immunochemical test-based colorectal cancer screening: a qualitative study, Psychooncology, 25, (12), 2016, p1456 - 1462Journal Article, 2016, DOI
• Clarke N, McNamara D, Kearney PM, O'Morain CA, Shearer N, Sharp L, The role of area-level deprivation and gender in participation in population-based faecal immunochemical test (FIT) colorectal cancer screening, Preventive Medicine, 93, 2016, p198 - 203Journal Article, 2016, DOI
• Brennan DE, Omorogbe J, Hussey M, Tighe D, Holleran G, O'Morain C, Smith SM*, McNamara D*., Molecular detection of Helicobacter pylori antibiotic resistance in stool vs biopsy samples, World Journal of Gastroenterology, 7, (22), 2016, p9214 - 9221Journal Article, 2016, DOI , TARA - Full Text
• Smith S,Boyle B, Brennan D, Buckley M, Crotty P, Doyle M, Farrell R, Hussey M, Kevans D, Malfertheiner P, Megraud F, Nugent S, O'Connor A, O'Morain C, Weston S, McNamara D, The Irish Helicobacter pylori Working Group consensus for the diagnosis and treatment of H. pylori infection in adult patients in Ireland., European Journal of Gastroenterology & Hepatology, 27, (5), 2017, p552 - 559Journal Article, 2017
• Dominguez Castro P, Harkin G, Hussey M, Christopher B, Kiat C, Chin JL, Trimble V, McNamara D, MacMathuna P, Egan B, Ryan B, Kevans D, Farrell R, Byrnes V, Mahmud N, McManus R. , Changes in Presentation of Celiac Disease in Ireland From the 1960s to 2015, Clinical Gastroenterology and Hepatology, 15, (1), 2017, p864 - 871Journal Article, 2017, DOI
• Kirthi S, Tobin AM, Hussey M, Scaldaferri F, McNamara D. , Anti-TNF á antibody induced psoriasiform skin lesions in patients with inflammatory bowel disease; an Irish cohort study. , Quaterly Journal of Medicine, 110, (6), 2017, p379 - 382Journal Article, 2017, DOI , URL
• Tighe D, McNamara D., Clinical impact of immunomonitoring in the treatment of inflammatory bowel disease., World Journal of Gastroenterology, 23, 2017, p414 - 425Journal Article, 2017, DOI
• Yung DE, Rondonotti E, Giannakou A, Avni T, Rosa B, Toth E, Lucendo AJ, Sidhu R, Beaumont H, Ellul P, Negreanu L, Jimenez-Garcia VA, McNamaraD, Kopylov U, Elli L, Triantafyllou K, Shibli F, Riccioni ME, Bruno M, Dray X, Plevris JN, Koulaouzidis A, and the Capsule Endoscopy in Young Patients with IDA research group, Endoscopy in young patients with iron deficiency anaemia and negative bidirectional gastrointestinal endoscopy, United European Gastroenterology, 2017, p1 - 8Journal Article, 2017
• Holleran G, Lopetuso LR, Ianiro G, Pecere S, Pizzoferrato M, Petito V, Graziani C, Mc Namara D, Gasbarrini A, Scaldaferri F, Gut microbiota and inflammatory bowel disease: so good so Gut!, Minerve Gastroenterologica and Dietologica, 63, (4), 2017, p373 - 384Journal Article, 2017, DOI
• B Hall, G Holleran, S O'Sullivan, S Smith, B Ryan, C Medina, D McNamara, Crohn's disease in an Irish population-A genotype-phenotype analysis, Journal of Crohn's and Colitis, 9th ECCO Conference, Denmark, 8, (S1), 2014, ppS345-Meeting Abstract, 2014
• Brennan D, Feighery M, Treacy C, Fahy E, Omorogbe J, Hussey,M, Tighe D, Holleran G, O'Morain C, McNamara D , Can bacterial virulence factors predict antibiotic resistant Helicobacter pylori infection?, Helicobacter, 29th International Workshop on Helicobacter and Microbiota in Inflammation and Cancer, Magdeberg, Germany, Septembe 15-17, 2016, 21, (S1), 2016, pp120-Meeting Abstract, 2016
• Tighe D, Hall B, Jeyarajah SK, Smith S, Breslin N, Ryan B, McNamara D., One-Year Clinical Outcomes in an IBD Cohort Who Have Previously Had Anti-TNFa Trough and Antibody Levels Assessed, Inflammatory Bowel Disease, 23, (7), 2017, p1154 - 1159Journal Article, 2017, DOI
• Stack R, Ridgeway L, Moran N, Breslin N, Ryan B. Mc Namara D., A snap-shot review of small bowel capsule endoscopy in the setting of inflammatory bowel disease., Journal of Crohns and Colitis, 12th Congress European Crohn's and Colitis Organisation., Spain, 2017, 11, (S1), 2017, ppS218-Meeting Abstract, 2017, DOI
• Gallagher C, Ridge A, Tobin A.M, Kevans D, Mc Namara D., Photoprotective behaviours in inflammatory bowel disease patients on azathioprine and TNF-á inhibitors, Journal of Crohns and Colitis, 12th Congress European Crohn's and Colitis Organisation 2017, Spain, 2017, 11, (S1), 2017, ppS169-Meeting Abstract, 2017
• Mohamed G, Crotty P, McNamara D, Breslin N, Ryan BM., Long term follow up of lymphocytic colitis patients ., Journal Crohn's and Colitis, 12th Congress European Crohn's and Colitis Organisation, Spain, 11, (S1), 2017, ppS181-Meeting Abstract, 2017
• Rowan CR, Alakkari A, Moran C, O'Connell J, Cullen G, Mulcahy H, O'Morain C, McNamara D, Leyden J, MacMathuna P, O'Toole A, Patchett S, McKiernan S, Kevans D, Doherty G.A, B. Ryan B., Ustekinumab treatment effectiveness in clinical practice; a multicentre retrospective review of long-term outcomes in Crohn's disease, Journal of Crohns and Colitis, 12th Congress European Crohn's and Colitis Organisation, Spain, 11, (S1), 2017, ppS383-Meeting Abstract, 2017
• Tighe D, Breslin N, Ryan B, McNamara D., Clinical/biochemical predictors of response to anti-TNFa therapies in a tertiary referral centre., Journal of Crohns and Colitis, 12th Congress European Crohn's and Colitis Organisation, 2017, 11, (S1), 2017, ppS386-Meeting Abstract, 2017
• Kirthi S, Tobin A, McNamara D. , Anti-TNFá antibody induced psoriasis in patients with inflammatory bowel disease; a prospective Irish cohort study., United European Gastroenterology Journal, 24th United European Gastroenterology Week, Austria, 4, (5S), 2016, ppA267-Meeting Abstract, 2016
• Hussey M, Holleran G, Keating D, Whelan S, Devitt P, Ryan B, McNamara D., Related risk factors associated with Steroid resistance. , United European Gastroenterology Journal, 24th United European Gastroenterology Week, Austria, 4, (5S), 2016, ppA272-Meeting Abstract, 2016
• Parihar V, Alakkari A, Crowther S, McNamara D. , Clinical outcome of patients with raised intraepithelial lymphocytes (IELs) with normal villous architedture on duodenal biopsy., United European Gastroenterology Journal, 24th United European Gastroenterology Week, 2016, 4, (5S), 2016, ppA336-Meeting Abstract, 2016
• Yousuf H, Walsh R, Maheshwari P, Aleem U, Eagan R, O'Dwyer O, Gallagher C, Azhar S, McNamara D., Is faecal calprotectin a sensitive biomarker for small bowel Crohn's disease as detected by capsule endoscopy?, United European Gastroenterology Journal, 24th United European Gastroenterology Week, Austria, 2016, 4, (5S), 2016, ppA415-Meeting Abstract, 2016
• Scaldafferi F, Pistone M.A, Rizzatti G, Ojetti V, Poscia A, Lapetuso LR, Volpe M, Schivoni E, Gaetani E, McNamara D, Armuzzzi A, Cammarota G, Gasbarrini A. , Impact of biological therapy on hospitalization outcomes: report an Italian tertiary center between 2000 and 2013. , United European Gastroenterology Journal, 24th United European Gastroenterology Week , Austria, 2016, 4, (5S), 2016, ppA431-Meeting Abstract, 2016
• Holleran G, Hussey M, O'Dwyer O, Smith S, McNamara D., Serum Angiopoietin-2 as is an accurate capsule endoscopy screening tool for the detection of small bowel angiodysplasia, United European Gastroenterology Journal, 24th United European Gastroenterology Week, Austria, 2016, 4, (5S), 2016, ppA528-Meeting Abstract, 2016
• Hussey M, Holleran G, Sherlock M, McNamara D. , Inflammatory cytokines and their regulation of 11- beta hydroxyl steroid dehydrogenase type 2 in IBD patients., United European Gastroenterology Journal, 24th United European Gastroenterology Week, Austria, 2016, 4, (5S), 2016, ppA641-Meeting Abstract, 2016
• Kirthi S, Tobin A and McNamara D. , Chronic inflammatory conditions carry a similarly higher cardiovascular risk compared with the general population and warrant screening., British Journal of Dermatology, 96th Annual Meeting of the British Association of Dermatologists 2016, UK, 2016, 175, (S1), 2016, ppP40-Meeting Abstract, 2016
• Hall B, Holleran G, Chapman L, Ryan B, Mahmud N, McNamara D., A 104 week mucosal healing assessment of symptomatic small bowel Crohn's Disease, Journal of Crohns and Colitis, 11th Congress of European Crohn's and Colitis Organisation, Amsterdam, 2016, 10, (S1), 2016, ppS32-Meeting Abstract, 2016
• Hussey M, Cannon A, Holleran G, O'Sullivan J, Sherlock M, McNamara D., Regulation of glucocorticoid metabolism in inflammatory bowel disease and predicting response to steroid therapy., Journal of Crohn's and Colitis, 11th Congress of European Crohn's and Colitis Organisation, Amsterdam, 2016, 10, (S1), 2016, ppS411 - S412Meeting Abstract, 2016, DOI
• Hussey M, Holleran G, Grooteman K, Smith S, McNamara D., Elevated Angiopoietins independent of TNF- á regulation appear to play a key role in immune mediated angiogenesis in Inflammatory Bowel Disease., Journal of Crohn's and Colitis, 11th Congress of European Crohn's and Colitis Organisation, Amsterdam, 10, (S1), 2016, ppS209-Meeting Abstract, 2016
• Holleran G, Hall B, Breslin N, McNamara D., The natural history of small bowel angiodysplasia., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 2015, 148, (4 (S1)), 2015, ppS641-Meeting Abstract, 2015, DOI
• Brennan D, Smith SM, Omorogbe JA, Holleran G, Hall B, Hussey M, O'Morain CA, McNamara D., Detection of Helicobacter pylori and antibiotic resistance using a molecular genetics-based approach in human faecal samples., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 2015, 148, (4 (S1)), 2015, ppS420-Meeting Abstract, 2015, DOI
• Hussey M, McGarrigle R, Kennedy U, Holleran G, Kevans D, Breslin N, Ryan B, Mahmud N, McNamara D., Long term assessment of clinical response to Adalimumab therapy in refractory Ulcerative Colitis., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 2015, 148, (4 (S1)), 2015, ppS268-Meeting Abstract, 2015, DOI
• Shivashini KJ, Hall B, Hussey M, Gilmer J, Wang J, Medina C, McNamara D., Low Infliximab trough levels are not predictive of disease activity in clinical practice., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 2015, 148, (4 (S1)), 2015, ppS856-Meeting Abstract, 2015
• Holleran G, Hall B, Hussey M, McNamara D., Feasibility of Same-Day Colon Capsule Endoscopy for Incomplete Colonoscopy., Gastrointestinal Endoscopy, American Society of Gastrointestinal Endoscopy, Digestive Disease Week, USA, 2015, 81, (5), 2015, ppAB381-Meeting Abstract, 2015
• Hussey M, Cannon A, O'Sullivan J, Holleran G, Hall B, Kiat C, Sherlock M, McNamara D., Altered tissue glucocorticoid metabolism is associated with IBD., United European Gastroenterology Journal, 23rd United European Gastroenterology Week, Spain, 2015, 3, (S1), 2015, ppA412-Meeting Abstract, 2015
• Haider RB, Smith S, Omorogbe J, Brennan d, Hall B, Holleran G, O'Morian C, O'Connor H, McNamara D., A comparison of sequential therapy with standard triple therapy for Helicobacter pylori eradication in an Irish cohort., United European Gastroenterology Journal, 23rd United European Gastroenterology Week, Spain, 2015, 3, (S1), 2015, ppA496-Meeting Abstract, 2015
• Kirthi S, Smith S, Hall B, Hussey M, Tobin A-M, Kiely C, McNamara D., Lack of correlation between Adalimumab antibody and trough levels and neither are predictive of clinical activity., United European Gastroenterology Journal, 23rd United European Gastroenterology Week, 2015, 3, (S1), 2015, ppA601-Meeting Abstract, 2015
• Kirthi S, Hussey M, Pistone M, Tobin AM, McNamara D., Anti-TNF antibody induced psoriatiform skin lesions in patients with Inflammatory Bowel Disease. An Irish cohort study., United European Gastroenterology Journal, 23rd United European Gastroenterology Week, Spain, 2015, 3, (S1), 2015, ppA611-Meeting Abstract, 2015
• Holleran G, Hussey M, Smith S, McNamara D. , Assessment of serum angiopeitin levels in small bowel disorders; are they predictive of angiodysplasia? , United European Gastroenterology Journal, 23rd United European Gastroenterology Week, 3, (S1), 2015, ppA638-Meeting Abstract, 2015
• Kiat C, Ebdelhaq R, Malik A, Bailey Y, Breslin N, McNamara D, Veerappan S, Ryan B, Maintenance Anti-TNF therapy has a beneficial effect on bone mineral density in patients with Inflammatory Bowel Disease. , United European Gastroenterology Journal, 23rd United European Gastroenterology Week, Spain, 2015, 3, (S1), 2015, ppA251-Meeting Abstract, 2015
• Omorogbe J, Brennan D, Smith S, Alsaffar M, McNamara D., Comparison of non-invasive tests; Stool HpSA Elisa and C13Urea breath test in the diagnosis of Helicobacter pylori infection in a low prevalence cohort., United European Gastroenterology Journal, 23rd United European Gastroenterology Week, Spain, 2015, 3, (S1), 2015, ppA493-Meeting Abstract, 2015
• Omorogbe J, Brennan D, Smith S, Alsaffar M, McNamara D., Comparison of non-invasive tests; Stool HpSA Elisa and C13Urea breath test in the diagnosis of Helicobacter pylori infection in a low prevalence cohort., United European Gastroenterology Journal, 23rd United European Gastroenterology Week, Spain, 2015, 3, (S1), 2015, ppA493-Meeting Abstract, 2015
• Jeyarajah SK, O'Connor R, Hellen R, Connolly M, McNamara D, Tobin AM., Insulin resistance and indices of insulin sensitivity in patients with hidradenitis suppurativa, British Journal of Dermatology, 95th Annual Meeting of the British-Association-of-Dermatologists, UK, 173, (S1), 2015, ppP49-Meeting Abstract, 2015
• Jeyarajah SK, O'Connor R, Hellen R, Connolly M, McNamara D, Tobin AM., Framingham risk, Q-risk and cardiovascular risk factors in hidradenitis suppurativa: a case-control study., British Journal of Dermatology, 95th Annual Meeting of the British-Association-of-Dermatologists, UK, 2015, 173, (S1), 2015, ppP52-Meeting Abstract, 2015
• Hall B, Holleran G, Brennan D, McNamara D., The relevance of ileitis as diagnosed by capsule endoscopy: A comparison with double balloon enteroscopy., Journal of Crohns and Colitis, 10th European Crohn's and Colitis Organisation Congress, Spain, 2015, 9, (S1), 2015, ppS184-Meeting Abstract, 2015
• Hall B, Holleran G, McNamara D., A pilot study assessing the viability of Pillcam Colon 2 as a one stop panendoscopic test for patients with Crohn's disease., Journal of Crohn's and Colitis, 10th European Crohn's and Colitis Organisation Congress, 2015, 9, (S1), 2015, ppS212-Meeting Abstract, 2015
• Holleran G, Hall B, Smith S, McNamara D., Gene expression levels of angiogenic factors in small bowel angiodysplasias., United European Gastroenterology Journal, 22nd United European Gastroenterology, Austria, 2, (S1), 2014, ppA280-Meeting Abstract, 2014
• Moore P, Holleran G, Hall B, McNamara D., Correlation of wireless video capsule endoscopy and other radiological imaging in the investigation of suspected and established Crohn's disease., United European Gastroenterology Journal, 22nd United European Gastroenterology Week., Austria, 2014, 2, (S1), 2014, ppA349-Meeting Abstract, 2014
• Haider RB, Smith S, Holleran G, HallB, O'Morian C, O'Connor HJ, McNamara D., Does tailored therapy based on antimicrobial susceptibility testing overcome the increasing failure of standard empirical therapy for Helicobacter pylori infection?, United European Gastroenterology Journal, 22nd United European Gastroenterology Week., Austria, 2014, 2, (S1), 2014, ppA587-Meeting Abstract, 2014
• Moore P, McNamara D. , GI bleeding in the modern era: A 3-year review at Tallaght Hospital., United European Gastroenterology Journal , 22nd United European Gastroenterology Week. , Austria, 2, (S1), 2014, ppA387-Meeting Abstract, 2014
• Holleran G, Hall B, Crotty P, Smith S, McNamara D., Annual General Meeting 2014. TNF-á dependant angiopoietin mediated angiogenesis in small bowel angiodysplasia; novel physiology and potential clinical marker. , GUT, British Society of Gastroenterology, UK, 63, (1), 2014, ppA272-Meeting Abstract, 2014, DOI
• Holleran G, Hall B, Crotty P, Smith S, McNamara D., Long acting Octreotide therapy has a beneficial effect in patients with significant small bowel angiodysplasia., GUT, British Society of Gastroenterology, Annual General Meeting, UK, 63, (1), 2014, ppA273-Meeting Abstract, 2014
• Alqudah M, Whelan M, McNamara D, Neary P, McMahon BP., EndoFLIP® to Measure Anal Sphincters Distensibility in Healthy and Faecal Incontinence Subjects., Gastroenterology, American Gastroenterological Association, Digestive Disease Week. , USA, 146, (5), 2014, ppS715-Meeting Abstract, 2014, DOI
• Hall B, Holleran G, Parihar V, McNamara D., Is terminal ileal inflammation predictive of small bowel Crohn's disease ?, Journal of Crohns and Colitis, 9th ECCO Conference., Denmark, 2014, 8, (1), 2014, ppS145-Meeting Abstract, 2014
• Holleran G, Hall B, Smith S, McNamara D., Elevated angiopoietin 2 levels in small bowel angiodysplasia; future biomarker or therapeutic target. , United European Gastroenterology Journal, United European Gastroenterology Week, Germany, 2013, 1, (S1), 2013, ppA82-Meeting Abstract, 2013
• Hall B, Holleran G, Leen R, Raferty T, McNamara D. , Small bowel ileitis as detected by capsule endoscopy as a predictor of response to immunomodulator therapy- a 3 month mucosal healing assessment. , United European Gastroenterology Journal, 21st United European Gastroenterology Week, Germany, 2013, 18, (S1), 2013, ppP886-Meeting Abstract, 2013
• Smith S, Holleran G, O'Morain C, McNamara D., A local audit of eradication rates for first-line triple therapy for Helicobacter pylori and detection of multi-resistant infection., XXVIth International Workshop on Helicobacter and related bacteria in chronic digestive inflammation and gastric cancer., Spain, 18, (1), 2013, ppP1309-Meeting Abstract, 2013
• Raftery TC, Martineau A, Greiller C, Seng Lee C, McNamara D, Ghosh S, Meddings J, O'Sullivan M., Effects of Vitamin D Supplementation on Intestinal Permeability, Plasma Cathelicidin and Human Beta-Defensin-2 in Crohn's Disease., Gastroenterology, 122. American Gastroenterological Association, Digestive Disease Week , USA, 2103, 144, 2013, ppS226-Meeting Abstract, 2013, DOI
• Mostafa NM, Eckert D, Pradhan RS, Mensing S, Robinson A, Sandborn W, Hanauer SB, Colombel JF, Thakkar R, Awni WM, Lofberg R, Rachmilewitz D, Drastich P, Seidler U, Björk JA, Travis S, Lukas M, Emmrich J, Eriksson A, Matsumoto T, Watanabe M, Cummings JRF, Shibata H, Furuya K, Hibi T, Raftery TC, Martineau A, Greiller C, Lee CS, McNamara D, Ghosh S, Meddings J, O'Sullivan M, Healy M, Cox G, Vogelaar L, van't Spijker A, Timman R, van Tilburg AJP, Bac D, Kuipers EJ, Busschbach J, van der Woude CJ, Falvey JD, Hoskin TS, Meijer B, Ashcroft AL, Hampton MB, Day AS, Gearry RB, Sharma S, Hyams JS, Rosh JR, Ruemmele F, Peyrin-Biroulet L, Reinisch W, Mantzaris GJ, Kornbluth A, Diamond R, Rutgeerts PJ, Kezhen L Tang, Freddy J Cornillie, Omoniyi J Adedokun, Zhenhua Xu, Colleen W Marano, Strauss R, Zhang H, Johanns J, Ford JA, Zhou H, Davis HM, Feagan BG, Noertersheuser PA, Inokuchi T, Kato J, Hiraoka S, Suzuki H, Hirakawa T, Akita M,Takahashi S, Harada K, Okada H, Yamamoto K, Pan WJ, Sullivan BA, Rees WA, Evangelista CM, Doherty DR, Prince PJ, Reynhardt KO, Zhou K, Yen M, Hooper MM, Lee J, Yu Z, Hsu H, Borie DC, Radford-Smith G, Andrews JM, Schwartz HI. , Exposure-Efficacy Relationship (ER) for Adalimumab During Induction Phase of Treatment of Adult Patients With Moderate to Severe Ulcerative Colitis. , Gastroenterology, American Gastroenterological Association, Digestive Disease Week . , USA, 2013, 144, (5 (S1)), 2013, ppS225 - S226Meeting Abstract, 2013, DOI
• Mcdonald JC, Ramalingam S, Porter-Ritchie V, Thomson J, Yule S, McNamara D. , A prospective comparison of MR enterography and wireless capsule endoscopy for assessment of small bowel Crohn's disease., Journal of Crohns and Colitis, European Crohn's and Colitis Organisation, 2011, (5 (S1)), 2011, ppS190-Meeting Abstract, 2011
• J. M. Mikhail, K. Yahara, E. C. T. Berthenet, L. Mageiros,K. Thorell, F. Megraud, C. Varon, P. Lehours,C. O'Morain, D. McNamara,S. Smith, A. P. Griffiths, L. Williams, H. N. Y. Haboubi, G. J. S. Jenkins, R. Suzuki, Y. Yamaoka. J. , Lawson, D. Falush and S. K. Sheppard., EVOLUTION OF OLD WORLD POPULATIONS OF HELICOBACTER PYLORI, Helicobacter, XXVIIIth International Workshop on Helicobacter Microbiota in Inflammation & Cancer & , Cyprus, 2015, 20, (S1), 2015, ppS120-Meeting Abstract, 2015, DOI
• Parihar V, B. Hall B, McNamara D., A SIMULTANEOUS DUAL ANTRAL AND CORPUS RAPID UREASE TEST, Helicobacter, XXVIIth International Workshop on Helicobacter & Microbiota in Inflammation & Cancer, Italy, 2014, 19, (S1), 2014, ppP10-Meeting Abstract, 2014, DOI
• S. M. Smith, R. B. Haider, G. Holleran, Hall B, O'Connor H, Lawson A, O'Morain C, McNamara D, A MOLECULAR GENETICS-BASED APPROACH FOR THE DETECTION OF CLARITHROMYCIN AND FLUOROQUINOLONE RESISTANT H. PYLORI INFECTION, Helicobacter, XXVIIth International Workshop on Helicobacter and Microbiota in Chronic DigestiveInflammation and Gastric Cancer, Italy, 2014, 19, (S1), 2014, ppp152-Meeting Abstract, 2014
• R. Haider, S. Smith, B. Hall, G. Holleran, C. O' Morain, H. O'Connor, N Breslin, D McNamara, DOES TAILORED THERAPY BASED ON ANTIMICROBIAL SUSCEPTIBILITY TESTING OVERCOME THE INCREASING FAILURE OF STANDARD EMPIRICAL THERAPY FOR HELICOBACTER PYLORI INFECTION, Helicobacter, XXVIIth International Workshop on Helicobacter and Microbiota in Chronic Digestive Inflammation and Gastric Cancer, Italy, 2014, 19, (S1), 2014, pp147-Meeting Abstract, 2014
• Parihar V, Stack R. Alakkari A. Breslin N, Ryan B, Crowther S, McNamara D., Clinical Outcome of Patients with Raised Intraepithelial Lymphocytes with Normal Villous Architecture on Duodenal Biopsy, Digestion, 95, 2017, p288 - 292Journal Article, 2017, DOI
• Holleran G, Hussey M, Smith S, McNamara D, Assessment of serum angiogenic factors as a diagnostic aid for small bowel angiodysplasia in patients with obscure gastrointestinal bleeding and anaemia, World Journal of Gastrointestinal Pathophysiology, 8, (3), 2017, p127 - 132Journal Article, 2017, DOI
• Shahin A, McNamara D., Single centre experience with H.pylori eradication therapy., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA14-Meeting Abstract, 2017, DOI
• D Brennan, M Hussey, D Tighe, C O'Morain, S Smith, D McNamara., Tailored therapy for rescue treatment of Helicobacter pylori infection., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA22-Meeting Abstract, 2017
• Mohamed G, Crotty P, McNamara D, Breslin N, Ryan BM. , Long term follow up of microscopic colitis., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA20-Meeting Abstract, 2017, DOI
• Stack R, O'Donnell S, O'Morain C, Hussey M, O'Connor A, Breslin N, Alakkari A, McNamara D, Ryan BM., Follow-up of patients with isolated active ileitis: increasing development of overt Crohn's disease over time., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA23-Meeting Abstract, 2017
• O'Morain N, Farrell G, Stack R, Hussey M, Bailey Y, Kiat C, Veerappan S, D McNamara, O'Connor A, Breslin N, O'Morain C, Ryan BM., 10 year follow-up study of the long term effects of ANTI-TNF therapy on bone metabolism in a cohort of ANTI-TNF naïve IBD patients., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA23-Meeting Abstract, 2017
• Stack R, O'Brien C, Nuzum T, Cummins S, Hussey M, O'Morain N, O'Connor A, Breslin N, Ryan B, Murphy I, McNamara D., Magnetic resonance of the small bowel with early (70s) and late (7MINS) phase post gadolinium imaging to identify fibrosis in stricturing small bowel Crohn's disease., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA24-Meeting Abstract, 2017
• Tighe D, Smith S, O'Connor A, Breslin N, Ryan B, McNamara D., Correlation of relationship between infliximab and adalimumab trough and antibody levels with clinical response rates at completion of induction therapy., GUT, British and Irish Gastroenterology Meeting, Northern Ireland, April 2017, 66, (S1), 2017, ppA15-Meeting Abstract, 2017
• Fernandez-Urien I, Panter S, Carretero C, Davison C, Dray X, Fedorov E, Makins R, Mascarenhas M, McAlindon M, McNamara D, Palmer H, Rey JF, Saurin JC, Seitz U, Spada C, Toth E, Wiedbrauck F, Keuchel M., International core curriculum for capsule endoscopy training courses., Endoscopy International Open, 5, (6), 2017, p526 - 538Journal Article, 2017
• Tighe D, Smith S, O'Connor A, Breslin N, Ryan B, McNamara D., Positive relationship between infliximab and adalimumab trough levels at completion of induction therapy with clinical response rates at a tertiary referral centre, Journal of Gastroenterology and Hepatology Open, 1, (1), 2017, p4 - 10Journal Article, 2017, DOI
• Parihar V, Byrnes V, McNamara D., A Tale of 2 Lymphomas, Case reports in Gastroenterology, 11, (3), 2017, p593 - 598Journal Article, 2017, DOI
• Holleran G, Lopetuso L, Petito V, Graziani C, Ianiro G, McNamara D, Gasbarrini A, Franco Scaldaferri F, The Innate and Adaptive Immune System as Targets for Biologic Therapies in Inflammatory Bowel Disease, International Journal of Molecular Sciences, 18, (10), 2017, p2020 - 2023Journal Article, 2017
• Hussey M, Holleran G, Smith S, Sherlock M, McNamara D, The Role and Regulation of the 11 Beta-Hydroxysteroid Dehydrogenase Enzyme System in Patients with Inflammatory Bowel Disease. , Digestive Diseases and Sciences, 62, (12), 2017, p3385 - 3390Journal Article, 2017, DOI
• Brennan D.E, Hussey M, Tighe D, O'Morain C, Smith S, McNamara D., First-line tailored treatment of Helicobacter pylori in a country with increasing resistance rates., Helicobacter, XXXth International Workshop on Helicobacter & Microbiota in Inflammation and Cancer, France, September 2017, 22, ((Suppl, 1)), Wiley, 2017, pp10-Published Abstract, 2017, DOI
• Brennan D.E, Murray DP, O'Toole J, Temperley H, O'Morain C, Smith S, McNamara D., The Urea breath test in diagnosis of Helicobacter pylori infection- could it also be a potential predictor of eradication?, Helicobacter, XXXth International Workshop on Helicobacter & Microbiota in Inflammation and Cancer, France, September 2017, 22, ((Suppl 1)), 2017, pp21-Published Abstract, 2017, DOI
• Brennan D.E, Hussey M, Tighe D, O'Morain C, Smith S, McNamara D., Rescue treatment of Helicobacter pylori infection: Is susceptibility guided treatment the best option?, Helicobacter, XXXth International Workshop on Helicobacter & Microbiota in Inflammation and Cancer, France, September 2017, 22, ((Suppl, 1)), 2017, pp40-Published Abstract, 2017, DOI
• Brennan D.E, O'Morain C, Smith S, McNamara D., An update on Helicobacter pylori antibiotic resistance in Ireland, Helicobacter, XXXth International Workshop on Helicobacter & Microbiota in Inflammation and Cancer, France, September 2017, 22, ((Suppl, 1)), 2017, pp60-Published Abstract, 2017, DOI
• Hidradenitis Suppurativa and Crohn's Disease: A Case Series, Kirthi S, Hellen R, O'Connor R, Connolly M, Tobin AM, McNamara D, Irish Medical Journal, 110, (7), 2017, p618-Journal Article, 2017
• O'Morain N, Parihar V, O'Dwyer O, Maheshwari P, Kumar L, Fennessy S, Breslin N, B. Ryan B, McNamara D, Adherence to European Society of Gastroenterology (ESGE) polypectomy guidelines: an Irish experience, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 5, (5S), 2017, ppA227-Meeting Abstract, 2017
• Tighe D, Hession R, Naqeem A, Smith S, O'Connor A, Breslin N, Ryan B, McNamara D., Role for therapeutic drug monitoring in assessing secondary loss of response to maintenance Anti-TNF-α therapy in inflammatory bowel disease., United European Gastroenterology, Barcelona, Spain, October 2017, 5, (5S), 2017, ppA284-Meeting Abstract, 2017
• Gallagher C, Hussey M, Tighe D, Ridge A, Kennedy M, Bailey Y, Kevans D, Tobin AM, McNamara D., Clinician's attitudes to photo-protection in inflammatory bowel disease patients on immunosuppression, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 5, (5S), 2017, ppA286-Meeting Abstract, 2017
• Stack R, O'Brien C, Nuzum T, Cummins S, O'Morain N, O'Connor A, Breslin N, Ryan B, Murphy I, McNamara D., Magnetic resonance of the small bowel with early (70 seconds) and late (7 minutes) phase post gadolinium imaging to identify fibrosis in structuring small bowel Crohn's disease, 25th United European Gastroenterology Week, October 2017, 5, (5S), 2017, ppA287-Meeting Abstract, 2017
• Tighe D, Smith S, O'Connor A, Ryan B, Breslin N, McNamara D. ., Correlation of relationship between Infliximab and Adalimumab trough and antibody levels with clinical response rates at completion of induction, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 2017, ppA297-Meeting Abstract, 2017
• Hussey M, Holleran G, Nuzum T, Crowther S, McNamara D., The role of capsule endoscopy in the detection of small bowel tumours in a low risk population: a single centre experience, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 5, (5S), 2017, ppA616-Meeting Abstract, 2017
• Nuzum T, Hussey M, Khanna T, Macgregor E, Olaniyi J,Tersaruolo C, Breslin N, McNamara D. ., A SMART approach to the diagnosis of minimal hepatic encephalopathy, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 2017, ppA629-Meeting Abstract, 2017
• Hussey M, Holleran G, Tersarulo C, McNamara D, Feasibility of same day colon capsule endoscopy (CCE) in patients after incomplete colonoscopy, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, 2017, ppA704-Meeting Abstract, 2017
• Brennan D, Hussey M, Tighe D, O'Morain C, Smith S, McNamara D., Treatment of Helicobacter pylori infection: Will tailoring therapy first time overcome increasing failure of standard triple therapy?, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, 2017, ppA818-Meeting Abstract, 2017
• Brennan D, Hussey M, Tighe D, O'Morain C, Smith S, McNamara D., Treating Helicobacter pylori therapy second time round: Is tailoring therapy based on antimicrobial susceptibility the best option, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 5, (5S), 2017, ppA818-Meeting Abstract, 2017
• Tighe D, Judge C, Walsh P, Kelly M, O'Connor A, Breslin N, Ryan B, Boran G, McNamara D., A pilot study exploring the value of faecal immunological test (FIT) when investigating anaemia or occult gastrointestinal bleeding with small bowel capsule endoscopy, United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, 5, (5S), 2017, ppA825-Meeting Abstract, 2017
• Grooteman K, Matheeuwsen M, Holleran G, Van Geenen E, McNamara D, Drenth J Ph. , Underutilization of endoscopic argon plasma coagulation for treatment of bleeding gastrointestinal angiodysplasias: an international multicentre cohort study, 25th United European Gastroenterology Week, Barcelona, Spain, October 2017, 5, (5S), 2017, ppA829-Meeting Abstract, 2017
• Brennan D, Dalton C, Murray P, O'Toole J, Temperley H, O'Morain C, S. Smith S, McNamara D. , Can the urea breath test predict Helicobacter pylori eradication? , United European Gastroenterology, 25th United European Gastroenterology Week, Barcelona, Spain, 5, (5S), 2017, ppA817-Meeting Abstract, 2017
• Brennan D, Dowd C, O'Morain C, McNamara D, Smith SM, Can bacterial virulence factors predict antibiotic resistant Helicobacter pylori infection?, World Journal of Gastroenterology, 24, (9), 2018, p971 - 981Journal Article, 2018, TARA - Full Text
• Yousuf H, Aleem U, Egan R, Maheshwari P, Mohamad J, McNamara D., Elevated Faecal Calprotectin Levels are a Reliable Non-Invasive Screening Tool for Small Bowel Crohn's Disease in Patients Undergoing Capsule Endoscopy. , Digestive Diseases, 36, (3), 2018, p202 - 208Journal Article, 2018, DOI
• Holleran G, Scaldaferri F, Ianiro G, Lopetuso L , McNamara D, Mele M.C, Gasbarrini A, Cammarota G., Fecal microbiota transplantation for the treatment of patients with ulcerative colitis and other gastrointestinal conditions beyond Clostridium difficile infection: an update., Drugs of Today, 54, (2), 2018, p123 - 136Journal Article, 2018, DOI
• O'Connell J, Rowan C, Stack R, Harkin G, Parihar V, Chan G, Breslin N, Cullen G, Dunne C, Egan L, Harewood G, Leyden J, MacCarthy F, MacMathuna P, Mahmud N, McKiernan S, McNamara D, Mulcahy H, Murray F, O'Connor A, O'Toole A, Patchett S, Ryan B, Sheridan J, Slattery E, Doherty G, Kevans D., Golimumab effectiveness and safety in clinical practice for moderately active ulcerative colitis., European Journal of Gastroenterology, 30, (9), 2018, p1019 - 1026Journal Article, 2018, DOI
• Holleran G, McNamara D., An overview of angiodysplasia: management and patient prospects., Expert Review of Gastroenterology and Hepatology, 12, (9), 2018, p863 - 862Journal Article, 2018, DOI
• Hussey M, Holleran G, Stack R, Moran N, Tersaruolo C, McNamara D., Same-day colon capsule endoscopy is a viable means to assess unexplored colonic segments after incomplete colonoscopy in selected patients., United European Gastroenterology Journal, 6, (10), 2018, p1556 - 1562Journal Article, 2018, DOI
• O'Morain N, O'Gorman S, McNamara D, Ryan B., Patients attitudes toward treatment withdrawal in inflammatory bowel disease., Scandinavian Journal of Gastroenterology, 53, (10-11), 2018, p1428-Journal Article, 2018
• O'Morain N, McNamara D., Complete polypectomy and early detection and management of residual disease to reduce the risk of interval colorectal cancers., Acta Oncologica, 58, (sup 1), 2019, pS4 - S9Journal Article, 2019
• Smith SM, O'Morain C, McNamara D., Helicobacter pylori resistance to current therapies., Current Opinion in Gastroenerology, 35, (1), 2019, p6 - 13Journal Article, 2019
• O'Sullivan F, Raftery T, van Weele M, van Geffen J, McNamara D, O'Morain C, Mahmud N, Kelly D, Healy M, O'Sullivan M, Zgaga L., Sunshine is an important determinant of vitamin D status even among high-dose supplement users: secondary analysis of a randomised controlled trial in Crohn's disease patients., Photochemistry and Photobiology, 95, (4), 2019, p1060 - 1067Journal Article, 2019, DOI
• Parihar, Vikrant, Sopheno-Falco, Julia, Maheshwari, Pardeep, O'Moran, Neil, Graziadei, Vivien, O'Grady Walshe, Aishling, O'Dwyer, Orla, Kumar, Lakshman, Fennessy, Sean, Breslin, Niall, Ryan, Barbara M., McNamara, Deirdre, Adherence to European Polypectomy Guidelines: Retrospective Experience from a Tertiary Irish Hospital, Gastrointestinal Tumors, 5, (3-4), 2019, p82-89Journal Article, 2019
• S Semenov, M Syafiq Ismail, A O'Connor, N Breslin, B Ryan, D McNamara, POSITIVE IMPACT OF SWITCHING FROM BSG TO ESGE POST POLYPECTOMY GUIDELINES ON A COLONOSCOPY SURVEILLANCE WAITING LIST, Endoscopy, ESGE Days, Prague, April 2019, 51, (4), 2019, ppS215-Meeting Abstract, 2019
• MS Ismail, S Semenov, A O'Connor, N Breslin, B Ryan, D McNamara, COLON CAPSULE ENDOSCOPY WITH OR WITHOUT BIOMARKERS AS A VIABLE ALTERNATIVE TO COLONOSCOPY IN UNSELECTED PATIENTS WITH LOWER GI SYMPTOMS: RESULTS OF A PILOT STUDY, Endoscopy, ESGE Days, Prague, April 2019, 51, (4), 2019, ppS161-Meeting Abstract, 2019
• M Syafiq Ismail, N O'Morain, B Ryan, D McNamara, BALLOON SPHINCTEROPLASTY IS A SAFE AND RELIABLE METHOD TO ACHIEVE BILIARY CLEARANCE IN AN AT RISK CHOEDOCHOLITHIASIS COHORT, Endoscopy, ESGE Days, Prague, April 2019, 51, (4), 2019, ppS234-Meeting Abstract, 2019
• Spada C, McNamara D, Despott EJ, Adler S, Cash BD, Fernández-Urién I, Ivekovic H, Keuchel M, McAlindon M, Saurin JC, Panter S, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Dinis-Ribeiro M, Domagk D, Hassan C, Kaminski MF, Rees CJ, Valori R, Bisschops R, Rutter MD., Performance measures for small-bowel endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative., Endoscopy, 51, 2019, p574 - 598Journal Article, 2019, DOI , TARA - Full Text
• Grooteman KV, Holleran G, Matheeuwsen M, van Geenen EJM, McNamara D, Drenth JPH, A Risk Assessment of factors for the presence of angiodysplasias during endoscopy and factors contributing to symptomatic bleeding and rebleeds. , Digestive Diseases and Sciences, 64, (10), 2019, p2923 - 2932Journal Article, 2019, DOI
• Judge C, Tighe D, Barry L, O'Neill J, Wong J, Shahin A, Moran N, Stack R, Hussey M, Breslin N, O'Connor A, Ryan B, Buckley M, McNamara D., Predicting Pathology on Small Bowel Capsule Endoscopy: A Good FIT., Endoscopy International Open., 7, (11), 2019, pE1379 - E1385Journal Article, 2019, DOI
• Christopher B, Ismail MS, Kirca M, McNamara D., Gastrointestinal manifestations in a patient with common variable immunodeficiency syndrome., Open Journal of Gastroenterology and Hepatology, 2, 2019, p18-Journal Article, 2019, DOI , TARA - Full Text
• O'Morain NR, Syafiq MI, Shahin A, Ryan B, Crowther S, McNamara D, Dye-based chromoendoscopy following polypectomy reduces incomplete polyp resection., Endoscopy International Open, 8, (1), 2020, pE13 - E19Journal Article, 2020, DOI , TARA - Full Text
• Ryan ÉJ, Orsi G, Boland MR, Syed AZ, Creavin B, Kelly ME, Sheahan K, Neary PC, Kavanagh DO, McNamara D, Winter DC, O'Riordan JM., Meta-analysis of early bowel resection versus initial medical therapy in patient's with ileocolonic Crohn's disease., International Journal of Colorectal Disease, 35, (3), 2020, p501 - 512Journal Article, 2020, DOI
• Castro P.D., Harkin G., Hussey M., Christopher B., Kiat C., Chin J.L., Trimble V., McNamara D., MacMathuna P., Egan B., Ryan B., Kevans D., Abuzakouk M., Farrell R., Feighery C., Byrnes V., Mahmud N., McManus R., Prevalence of coexisting autoimmune thyroidal diseases in coeliac disease is decreasing, United European Gastroenterology Journal, 8, (2), 2020, p148 - 156Journal Article, 2020, DOI
• Butt WT; Ryan EJ, Boland MR, McCarthy EM, Omorogbe J, Hazel K, Bass GA, Neary PC, Kavanagh DO, McNamara D, O'Riordan JM, Strictureplasty versus bowel resection for the surgical management of fibrostenotic Crohn's disease: a systematic review and meta-analysis. , International journal of colorectal disease, 35, (4), 2020, p705 - 717Journal Article, 2020, DOI
• Saravanarajan K, Douglas AR, Ismail MS, Omorogbe J, Semenov S, Muphy G, O'Riordan F, McNamara D, Nakagome S, Genomic profiling of intestinal T-cell receptor repertoires in inflammatory bowel disease. , Genes and Immunity, 2020, pEpub Ahead of Print Feb 2020Journal Article, 2020, DOI
• Leenhardt R, Buisson A, Bourreille A, Marteau P, Koulaouzidis A, Li C, Keuchel M, Rondonotti E, Toth E, Plevris J, Eliakim R, Rosa B, Triantatyllou K, Elli L, Wurm-Johansson G, Panter S, Ellul P, Perez-Cuadrado-Robles E, McNamara D, Beaumont H, Spada C, Cavallaro F, Cholet F, Fernandez-Urien I, Kopylov U, McAlindon M, Nemeth A, Tontini GE, Yung D, Niv Y, Rahmi G, Saurin JC, Dray X., Nomenclature and semantic descriptions of ulcerative and inflammatory lesions seen in Crohn's disease in small bowel capsule endoscopy: An international Delphi consensus statement, United European Gastroenterology Journal, 8, (1), 2020, p99 - 107Journal Article, 2020
• O'Connor C., McNamara D., Nakagome S., A statistical modelling reveals bi-directional chromatin scanning by RAG in the human TCR-alpha locus, bioRxiv, 2020, p14Journal Article, 2020, DOI
• Ismail MS, Aoko O, Sihag S, Connolly E, Omorogbe J, Semenov S, O'Morain N, O'Connor A, Breslin N, Ryan B, McNamara D. , Lower gastrointestinal symptoms and symptoms-based triaging systems are poor predictors of clinical significant disease on colonoscopy., BMJ Open Gastroenterology, 7, (1), 2020, pe000221-Journal Article, 2020, DOI , TARA - Full Text
• Judge, C, McGettigan N, Ryan T, Hazel K, Singh P, Parihar V, Stack R, O'Connor A, Dunne C, Cullen G, Egan L, Harewood G, MacCarthy F, McKiernan S, Mulcahy H, Murray F, Patchett S, Sheridan J, Cheriyan D, Farrell R, Keohane J, Kelly O, McNamara D, Ryan B, O'Morain C, Sengupta S, O'Toole, A, Buckley M, McCarthy J, Doherty G, Kevans D, Slattery E, Irish data on the safety and efficacy of vedolizumab in the treatment of inflammatory bowel disease. , Scandinavian Journal of Gastroenterology, 55, (7), 2020, p786 - 794Journal Article, 2020, DOI
• Naughton AP, Ryan ÉJ, Bardon CT, Boland MR, Aherne TM, Kelly ME, Whelan M, Neary PC, McNamara D, O'Riordan JM, Kavanagh DO, Endoscopic management versus transanal surgery for early primary or early locally recurrent rectal neoplasms-a systematic review and meta-analysis, International Journal of Colorectal Disease, 35, (12), 2020, p2347 - 2359Journal Article, 2020, DOI
• Douglas AR, Holleran G, Smith SM, McNamara D, Shared changes in angiogenic factors across gastrointestinal vascular conditions: A pilot study, World Journal Gastrointestinal Pharmacology and Therapeutics, 11, (3), 2020, p40 - 47Journal Article, 2020, DOI , TARA - Full Text
• Nyssen OP, Bordin D, Tepes B, Pérez-Aisa Á, Vaira D, Caldas M, Bujanda L, Castro-Fernandez M, Lerang F, Leja M, Rodrigo L, Rokkas T, Kupcinskas L, Pérez-Lasala J, Jonaitis L, Shvets O, Gasbarrini A, Simsek H, Axon ATR, Buzás G, Machado JC, Niv Y, Boyanova L, Goldis A, Lamy V, Tonkic A, Przytulski K, Beglinger C, Venerito M, Bytzer P, Capelle L, Milosavljević T, Milivojevic V, Veijola L, Molina-Infante J, Vologzhanina L, Fadeenko G, Ariño I, Fiorini G, Garre A, Garrido J, F Pérez C, Puig I, Heluwaert F, Megraud F, O'Morain C, Gisbert JP; Hp-EuReg Investigators, European Registry on Helicobacter pylori management (Hp-EuReg): patterns and trends in first-line empirical eradication prescription and outcomes of 5 years and 21,533 patients, Gut, 70, (1), 2021, p40 - 54Journal Article, 2021, DOI
• Zaslona Z, Flis E, Nulty C, Kearney J, Fitzgerald R, Douglas AR, McNamara D, Smith S, O'Neill LAJ, Creagh EM., Caspase-4: A Therapeutic Target for Peptic Ulcer Disease, Immunohorizons, 4, (10), 2021, p627 - 633Journal Article, 2021, DOI
• Sihag S, Tan B, Semenov S, Ismail MS, Ryan B, O'Connor A, Breslin N, Douglas R, McNamara D, Development of significant disease in a cohort of patients with non-specific enteritis on capsule endoscopy: clinical suspicion and a high base line Lewis score are predictive of Crohn's disease., BMC Gastroenterology, 20, (1), 2020, p341-Journal Article, 2020, DOI , TARA - Full Text
• O'Connor A, Bowden A, Farrell E, Weininger J, Crowther S, McNamara D, Ridgway P, O'Morain C, Risk of Progression of Gastric Intestinal Metaplasia Is Significantly Greater When Detected in Both Antrum and Body, Digestive Disease and Science, 66, 2020, p3470 - 3475Journal Article, 2020
• Spada C, Hassan C, Bellini D, Burling D, Cappello G, Carretero C, Dekker E, Eliakim R, de Haan M, Kaminski MF, Koulaouzidis A, Laghi A, Lefere P, Mang T, Manuel Milluzzo S, Morrin M, McNamara D, Neri E, Pecere S, Pioche M, Plumb A, Rondonotti E, Spaander MCW, Taylor S, Fernandez-Urien I, van Hooft JE, Stoker J, Regg D, Imaging alternatives to colonoscopy: CT colonography and colon capsule. European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastrointestinal and Abdominal Radiology (ESGAR) Guideline- Update 2020, Endoscopy, 52, (12), 2020, p1127 - 1141Journal Article, 2020
• Bass GA, Pourlotfi A, Donnelly M, Ahl R, McIntyre C, Flod S, Cao Y, McNamara D, Sarani B, Gillis AE, Mohseni S., Bile Duct Clearance and Cholecystectomy for Choledocholithiasis: Definitive Single-Stage Laparoscopic Cholecystectomy with Intra-Operative ERCP versus Staged Procedures, Journal of Trauma and Acute Care Surgery, 90, (2), 2021, p240 - 248Journal Article, 2021, DOI
• R Leenhardt, A Koulaouzidis, D McNamara, M Keuchel, R Sidhu, ME McAlindon, JC Saurin, R Eliakim, I Fernandez-Urien Sainz, JN Plevris, G Rahmi, E Rondonotti, B Rosa, C Spada, E Toth, C Houdeville, C Li, M Robaszkiewicz, P Marteau, X Dray., A guide for assessing the clinical relevance of findings in small bowel capsule endoscopy: analysis of 8064 answers of international experts to an illustrated script questionnaire, Clinics and Research in Hepatology and Gastroenterology, 45, (6), 2021, p101637-Journal Article, 2021, DOI
• Clarke N, Kearney PM, Gallagher P, McNamara D, O'Morain CA, Sharp L., Negative emotions and cancer fatalism are independently associated with uptake of Faecal Immunochemical Test-based colorectal cancer screening: Results from a population-based study., Preventive Medicine, 145, 2021, p106430-Journal Article, 2021, DOI
• Purification of Total RNA from Stomach Tissue Biopsies. in, Methods Mol Biol. 2283, 2021, pp51 - 59, [FitzGerald R, Devapal M, Hickey JJ, McNamara D, Kelleher D, Smith SM.]Book Chapter, 2021, DOI
• Molecular Detection of Antibiotic-Resistant Helicobacter pylori. in, Methods Mol Biol. 2283, 2021, pp29 - 36, [Brennan D, O'Morain C, McNamara D, Smith SM.]Book Chapter, 2021, DOI
• Ismail MS, Semenov S, McNamara D., The utility of faecal and urine biomarkers for small bowel diseases., Current Opinion in Gastroenterology, 37, (3), 2021, p284 - 294Journal Article, 2021, DOI
• Endoscopic Detection of Helicobacter pylori by the Rapid Urease Test in, editor(s)Smith SI. , Helicobacter Pylori. Methods in Molecular Biology, vol 2283., New York, USA, Humana, New York, NY, 2021, pp37 - 43, [Parihar V, McNamara D.]Book Chapter, 2021, DOI
• Megraud F, Bruyndonckx R, Coenen S, Wittkop L, Huang TD, Hoebeke M, Bénéjat L, Lehours P, Goossens H, Glupczynski Y; European Helicobacter pylori Antimicrobial Susceptibility Testing Working Group., Helicobacter pylori resistance to antibiotics in Europe in 2018 and its relationship to antibiotic consumption in the community, Gut, Apr 9, (gutjnl-2021-324032), 2021Journal Article, 2021, DOI
• Ismail MS, Murphy G, Semenov S, McNamara D., Comparing Colon Capsule Endoscopy To Colonoscopy; A Symptomatic Patient's Perspective, BMC Gastroenterology, 22, (31), 2022Journal Article, 2022, DOI , TARA - Full Text
• Pariente B, Torres J, Burisch J, Arebi N, Barberio B, Duricova D, Ellul P, Goldis A, Kaimakliotis I, Katsanos K, Krznaric , McNamara D, Pedersen N, Sebastian S, Azahaf M, Weimers P, Lung P, Lacognata C, Horak M, Christodoulou D, Domislovic V, Murphy I, Lambert J, Ungaro R, Colombel JF, Mary JY, Validation and update of the Lémann index to measure cumulative structural bowel damage in Crohn's disease., Gastroenterology, 161, (3), 2021, p853 - 864Journal Article, 2021
• Dray X, Riccioni ME, Wurm Johansson G, Keuchel M, Perrod G, Martin A, Tortora A, Nemeth A, Baltes P, Pérez-Cuadrado-Robles E, Chetcuti Zammit S, Lee PS, Leenhardt R, Koulaouzidis A; I CARE Group, Feasibility and diagnostic yield of small-bowel capsule endoscopy in patients with surgically altered gastric anatomy: the SAGA study, Gastrointestinal Endoscopy, 2021Journal Article, 2021, DOI
• Ismail MS, Semenov S, Sihag S, Manoharan T, Douglas AR, Reill P, Kelly M, Boran G, O'Connor A, Breslin N, O'Donnell S, Ryan B, McNamara D, Colon capsule endoscopy is a viable alternative to colonoscopy for the investigation of intermediate- and low-risk patients with gastrointestinal symptoms: results of a pilot study, Endoscopy International Open, 9 , (6), 2021, pE965 - E970Journal Article, 2021, DOI , TARA - Full Text
• Semenov S, Ismail MS, McNamara D, Impairment of colorectal cancer screening during the COVID-19 pandemic. , Lancet Gastroenterology Hepatology, 6, (6), 2021, p426-Journal Article, 2021, DOI
• Bujanda L, Nyssen OP, Vaira D, Saracino IM, Fiorini G, Lerang F, Georgopoulos S, Tepes B, Heluwaert F, Gasbarrini A, Rokkas T, Bordin D, Smith S, Lamy V, Caldas M, Resina E, Muñoz R, Cosme A, Puig I, Megraud F, O'Morain C, Gisbert JP and on behalf of the Hp-EuReg Investigators., Antibiotic Resistance Prevalence and Trends in Patients Infected with Helicobacter pylori in the Period 2013-2020: Results of the European Registry on H. pylori Management (Hp-EuReg), Antibiotics, 10, (9), 2021, p1058-Journal Article, 2021
• Lia C.M.J. Goltstein LCMJ, Grooteman KV, Rocco A, Holleran G, Frago S, Paulo S. Salgueiro PS, Aparicio T, Scaglione G, Zammit SC, Prados-Manzano R, Benamouzig R, Nardone G, McNamara D, Benallaoua M, Michopoulos S, Sidhu R, Kievit W, PhD, Drenth JPH, Erwin J.M. van Geenen EJM, Effectiveness and Predictors of Response to Somatostatin Analogues in Patients with Severe Gastrointestinal Bleeding Due to Angiodysplasias, Lancet Gastroenterology and Hepatology, 8, 2021, pS2468 - 1253Journal Article, 2021, DOI
• Semenov S, Ismail MS, O'Hara F, Sihag S, Ryan B, O'Connor A, O'Donnell S, McNamara D., Addition of castor oil as a booster in colon capsule regimens significantly improves completion rates and polyp detection., World Journal of Gastrointestinal Pharmacology and Therapeutics, 12, (6), 2021, p103 - 111Journal Article, 2021, DOI
• O'Hara F, McNamara D., Small-Bowel Capsule Endoscopy-Optimizing Capsule Endoscopy in Clinical Practice, Diagnostics (Basel), 11, (11), 2021, p2139-Journal Article, 2021, DOI
• Brennan DE, O'Morain C, McNamara D, Smith SM, Brennan DE, O'Morain C, MCombined antrum and corpus biopsy protocol improves Helicobacter pylori culture success., World Journal Gastrointestinal Pathophysiology, 13, (1), 2022, p34 - 40Journal Article, 2022, DOI
• Elli L, Marinoni B, Sidhu R, Bojarski C, Branchi F, Tontini GE, Chetcuti Zammit S, Khater S, Eliakim R, Rondonotti E, Saurin JC, Bruno M, Buchkremer J, Cadoni S, Cavallaro F, Dray X, Ellul P, Urien IF, Keuchel M, Kopylov U, Koulaouzidis A, Leenhardt R, Baltes P, Beaumont H, Marmo C, McNamara D, Mussetto A, Nemeth A, Cuadrado Robles EP, Perrod G, Rahmi G, Riccioni ME, Robertson A, Spada C, Toth E, Triantafyllou K, Wurm Johansson G, Rimondi A on behalf of the International CApsule endoscopy REsearch (I-CARE) Group. Nomenclature and Definition of Atrophic Lesions in Small Bowel Capsule Endoscopy: An International Delphi Consensus Statement of the International CApsule Endoscopy REsearch (I-CARE) Group., Nomenclature and Definition of Atrophic Lesions in Small Bowel Capsule Endoscopy: An International Delphi Consensus Statement of the International CApsule Endoscopy REsearch (I-CARE) Group. , Diagnostics, 12, (7), 2022, p1704-Journal Article, 2022, DOI , TARA - Full Text
• Sciberras M, Conti K, Elli L, Scaramella L, Riccioni ME, Marmo C, Cadoni S, McAlindon M, Sidhu R, O'hara F, McNamara D, Rondonotti E, Piccirelli S, Spada C, Bruno M, Keuchel M, Baltes P, Calleja N, Valdivia PC, de'Angelis GL, Margalit-Yehuda R, Koulaouzidis A, Dray X, Ellul P; International CApsule endoscopy REsearch (I-CARE) Group., Score reproducibility and reliability in differentiating small bowel subepithelial masses from innocent bulges. . doi: 10.1016/j.dld.2022.06.027., Digestive and Liver Disease, 4, (22), 2022, p1586-90-Journal Article, 2022, DOI
• Sciberras M, Conti K, Elli L, Scaramella L, Riccioni ME, Marmo C, Cadoni S, McAlindon M, Sidhu R, O'hara F, McNamara D, Rondonotti E, Piccirelli S, Spada C, Bruno M, Keuchel M, Baltes P, Calleja N, Valdivia PC, de'Angelis GL, Margalit-Yehuda R, Koulaouzidis A, Dray X, Ellul P; International CApsule endoscopy REsearch (I-CARE) Group. , Score reproducibility and reliability in differentiating small bowel subepithelial masses from innocent bulges. , Digestive and Liver Disease, 54, (10), 2022, p1403 - 1409Journal Article, 2022, DOI
• Butler TJ, Fitzgibbon F, McNamara D, Smith S, PCR improves detection of Helicobacter pylori in unselected adult patients undergoing routine gastroscopy, UEG Journal, United European Gastroenterology Week 2022, Vienna, Austria, Oct 8th-11th, 10, (S8), 2022, pp549 - 549, ppP0128Conference Paper, 2022, DOI
• Peyrin-Biroulet L, Rahier JF, Kirchgesner J, Abitbol V, Sebastian S, Armuzzi A, Karmiris K, Gisbert JP, Bossuyt P, Helwig U, Burisch J, Yanai H, Doherty GA, Magro F, Molnar T, Löwenberg M, Halfvarson J, Zagorowicz E, Rousseau H, Baumann C, Baert F, Beaugerie L; I-CARE Collaborator Group., I-CARE, a European Prospective Cohort Study Assessing Safety and Effectiveness of Biologics in Inflammatory Bowel Disease. , Clinical Gastroenterology and Hepatology, S1542-3565, (22), 2022, p916 - 918Journal Article, 2022, DOI
• Leenhardt R, Koulaouzidis A, Histace A, Baatrup G, Beg S, Bourreille A, de Lange T, Eliakim R, Iakovidis D, Dam Jensen M, Keuchel M, Margalit Yehuda R, McNamara D, Mascarenhas M, Spada C, Segui S, Smedsrud P, Toth E, Tontini GE, Klang E, Dray X, Kopylov U., Key research questions for implementation of artificial intelligence in capsule endoscopy., Therapeutic Advances in Gastroenterology, 15, 2022, p17562848221132683.Journal Article, 2022, TARA - Full Text
• Pennazio M, Rondonotti E, Despott EJ, Dray X, Keuchel M, Moreels T, Sanders DS, Spada C, Carretero C, Cortegoso Valdivia P, Elli L, Fuccio L, Gonzalez Suarez B, Koulaouzidis A, Kunovsky L, McNamara D, Neumann H, Perez-Cuadrado-Martinez E, Perez-Cuadrado-Robles E, Piccirelli S, Rosa B, Saurin JC, Sidhu R, Tacheci I, Vlachou E, Triantafyllou K. Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2022., Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2022., Endoscopy, 55, (1), 2023, p58 - 95Journal Article, 2023, DOI , TARA - Full Text
• Baltes P, Dray X, Riccioni ME, Pérez-Cuadrado-Robles E, Fedorov E, Wiedbrauck F, Zammit SC, Cadoni S, Bruno M, Rondonotti E, Johansson GW, Mussetto A, Beaumont H, Perrod G, McNamara D, Plevris J, Spada C, Pinho R, Rosa B, Hervas N, Leenhardt R, Marmo C, Esteban-Delgado P, Ivanova E, Keuchel M; International CApsule endoscopy Research (I-CARE) Meckel study group, Small-bowel capsule endoscopy in patients with Meckel`s diverticulum: clinical features, diagnostic workup, and findings. A European multicenter I-CARE study., Gastrointestinal Endoscopy, 2022, pS0016 - 5107Journal Article, 2022, DOI
• McCarthy E, Sihag S, Deane C,Walker C, Semenov S, Ryan B,Breslin N, O'Connor A, O'Donnell Sarah, McNamara D , Single or double headed capsules for the investigation of suspected small bowel bleeding: Are two heads better than one., Frontiers in Gastroenterology, 1, 2022, p1071797Journal Article, 2022, DOI , TARA - Full Text
• Clarke N, Hayes L, McQueen A, Gallagher P, Kearney PM, McNamara D, O'Morain CA, von Wagner C, Mooney T, Sharp L., The role of defensive information processing in population-based colorectal cancer screening uptake., Cancer, 2023, p1 - 8Journal Article, 2023
• Semenov S, Costigan C, Ismail MS, McNamara D., Low Colon Capsule Endoscopy (CCE) False Negative Rate for Polyps Excluding Reader Error., Diagnostics, 13, (1), 2022, p56-Journal Article, 2022, DOI
• Donnelly M, Ryan OK, Ryan ÉJ, Bass GA, Kelly ME, McNamara D, Whelan M, Neary PC, O'Riordan JM, Kavanagh DO. , Comparison of restorative proctocolectomy with and without defunctioning loop ileostomy in patients with ulcerative colitis - A systematic review and meta-analysis, Journal of Crohn's and Colitis, 2023, pOnline ahead of print.Journal Article, 2023, DOI
• Deane C, Walker C, Ryan B, O'Connor A, O'Donnell S, Breslin N, McNamara D. , High diagnostic yield despite a lower completion rates for inpatient versus outpatient colon and pan-intestinal capsule endoscopy: a nested case-control study., BMC Gastroenterology, 23, (1), 2023, p61-Journal Article, 2023, DOI
• Chetcuti Zammit S, Yadav A, McNamara D, Bojorquez A, Carretero-Ribón C, Keuchel M, Baltes P, Margalit-Yehuda R, Kopylov U, Sidhu R, Marmo C, Riccioni ME, Dray X, Leenhardt R, Rondonotti E, Giulia S, Micallef K, Ellul P; ICARE, Where does capsule endoscopy fit in the diagnostic algorithm of small bowel intussusception?, Digestive and Liver Disease, 2023, pJun 30:S1590-8658(23)00665-5Journal Article, 2023, DOI
• O'Hara F, Walker C, McNamara D, Patency testing improves capsule retention rates but at what cost? A retrospective look at patency testing., Fronteirs in Medicine, (10), 2023Journal Article, 2023
• Molloy SD, Butler TJ, Merrigan I, Knight A, Parihar V, Van Der Merwe K, McNamara D, Smith SM, Evaluation of real-time PCR compared to culture for the detection of clarithromycin resistant Helicobacter pylori in the Irish healthcare setting, Microbiota in Health and Disease, 5, (e956), 2023Journal Article, 2023, DOI
• Donnelly M, Driever D, Ryan ÉJ, Elliott JA, Finnegan J, McNamara D, Murphy I, Conlon KC, Neary PC, Kavanagh DO, O'Riordan JM., Obesity, Sarcopenia and Myosteatosis: Impact on Clinical Outcomes in the Operative Management of Crohn's Disease., Inflammatory Bowel Disease, 2023, pEpub ahead of print.Journal Article, 2023, DOI
• O'Hara FJ, McNamara D, Capsule endoscopy with artificial intelligence-assisted technology: Real-world usage of a validated AI model for capsule image review, Endoscopy International Open, 11, (10), 2023, pE970 - E975Journal Article, 2023, DOI , TARA - Full Text
• McNamara D, Buckley M, O'Morain C, Will eradication of Helicobacter pylori improve symptoms of non-ulcer dyspepsia. More studies should have been included in the meta-analysis., British Medical Journal , 29, (320 (7243):), 2000, p1209-10Journal Article, 2000
• Vaira D., Malfertheiner P.,. Megraud F, Axon A., Deltenre M., Gasbarrini G.. O'Morain C., Pajares Garcia J., Quina M., Tytgat G., and the European Helicobacter pylori HpSA Study Group., Noninvasive Antigen-Based Assay for Assessing Helicobacter pylori Readication: A European Multicenter Study., American Journal of Gastroenterology, 95, 2000, p925-929Journal Article, 2000
• Ouazana S, Baltes P, Toth E, Lüttge H, Nemeth A, Beaumont H, González-Suárez B, Lee PS, Carretero C, Yehuda RM, Elli L, Spada C, Bruno M, Mussetto A, Valdivia PC, Becq A, Corbett G, Martin A, Robertson A, Benamouzig R, Despott E, Riccioni ME, Sidhu R, Calavas L, Ellul P, Finta A, Triantafyllou K, Rondonotti E, Kirchgesner J, Elosua A, McNamara D, Dray X., Endoscopic Gastrointestinal Placement of Capsule Endoscopy to Investigate the Small Bowel: a Multicentric European Retrospective Series of 630 Procedures in Adult Patients., Gastrointestinal Endoscopy, (Jan 23:S0016-5107(2), 2024, pEpub ahead of print. PMID: 382Journal Article, 2024, DOI
• McHugh FT, Ryan ÉJ, Ryan OK, Tan J, Boland PA, Whelan MC, Kelly ME, McNamara D, Neary PC, O'Riordan JM, Kavanagh DO., Management Strategies for Malignant Left-Sided Colonic Obstruction: A Systematic Review and Network Meta-analysis of Randomized Controlled Trials and Propensity Score Matching Studies, Diseases of the Colon and Rectum, 2024, April 1, pon line ahead of printJournal Article, 2024, DOI
• Conor Costigan, Aoife M O'Sullivan, Jim O'Connell, Shreyashee Sengupta, Thomas Butler, Stephen Molloy, Fintan John O'Hara, Barbara Ryan, Niall Breslin, Sarah O'Donnell, Anthony O'Connor, Sinead Smith, Deirdre McNamara, Helicobacter pylori: High dose amoxicillin does not improve primary or secondary eradication rates in an Irish cohort, World Journal of Clinical Cases, 12, (6), 2024, p0 - 0Journal Article, 2024, DOI
• O'Hara F, Costigan, C, McNamara D, Confirmation of functional patency using the patency capsule. A prospective study using an extended time protocol to improve rates of completed patency, United European Gastroenterology Journal, United European Gastroenterology Week, Denmark, October 2023, 11, (8), 2023, ppS682Conference Paper, 2023, DOI
• Butler T, Molloy S, Costigan C, Van Der Merwe K, Parihar V, Semenov S, S. Hough S, Kevans D, Tighe D, McNamara D, Smith S, Irish Helicobacter Pylori antibiotic resistance surveillance to guide clinical practice., United European Gastroenterology Journal, United European Gastroenterology Week, Denmark, October 2023, 11, (8), 2023, ppS710Conference Paper, 2023, DOI
• S. Molloy, T. Butler, I. Merrigan, V. Parihar, K. Van Der Merwe, D. McNamara, S. Smith1, Evaluation of molecular-based Clarithromycin resistance testing in Helicobacter pylori compared to culture-based testing in an Irish Healthcare setting, United European Gastroenterology Journal, United European Gastroenterology Week, Denmark, October 2023, 11, (8), 2023, ppS711Conference Paper, 2023, DOI
• J. Doherty, A. Ryan , E. Quinn, J. Dolan, R. Corcoran, F. O'Hara , Y. Bailey, D. McNamara, G. Doherty, D. Kevans, HLA-DQA105 Allele carriage and Anti-TNF therapy persistence in inflammatory bowel disease, United European Gastroenterology Journal, United European Gastroenterology Week, Denmark, October 2023, 11, (8), 2023, ppS870Conference Paper, 2023
• Smith SM, Boyle B, Buckley M, Costigan C, Doyle M, Farrell R, Ismail MS, Kevans D, Nugent S, O'Connor A, O'Morain C, Parihar V, Ryan C, McNamara D., The second Irish Helicobacter pylori Working Group consensus for the diagnosis and treatment of Helicobacter pylori infection in adult patients in Ireland., European Journal of Gastroenterology & Hepatology, 2024Journal Article, 2024, DOI
• R. Ballester-Clau , C. Costigan , A. M. O'Sullivan , F. O'Hara , S. Sengupta , D. McNamara, Role of a novel peptide-based haemostatic agent in early gastrointestinal bleeding management: why not expand the current toolbox?, Endoscopy, ESGE Days, Dublin, April 2023, 55, (S2), 2023, pp56 - 57Conference Paper, 2023
• J. O'Connell , C. Costigan , F. O'Hara , D. McNamara, Reaching hidden depths. A correlation between small bowel capsule endoscopy transit and depth of insertion on anterograde device assisted enteroscopy, Endoscopy, ESGE Days, Dublin, April 2023, 55, (S2), 2023, ppS167 - S168Conference Paper, 2023, DOI
• C. Costigan , C. Walker , J. O'Connell , F. O'Hara , Y. Bailey , T. Manoharan , D. McNamara, Cloud Technology And Capsule Endoscopy: A single Centre Users' Experience Of Online Video Analysis And Reporting, Endoscopy, ESGE Days 2023, Dublin, April 2023, 55, (S2), 2023, ppS354-Conference Paper, 2023
• F. O'Hara , C. Costigan , J. O'Connell , D. McNamara, General Anaesthesia or Conscious Sedation for Enteroscopy: Patient Reported Experience, Endoscopy, ESGE Days, Dublin, April 2023, 55, (S02), 2023, ppS360-Conference Paper, 2023, DOI
• F. O'Hara , C. Walker , J. O'Connell , C. Costigan , D. McNamara, Safety Profile of Device Assisted Enteroscopy: A Retrospective Analysis of Interventions and Complication Rates, Endoscopy, ESGE Days, Dublin, April 2023, 55, (S02), 2023, ppS371-Conference Paper, 2023, DOI
• Costigan C, Walker C, O'Connell J, Omallao E, Manoharan T, Eagle N, Bailey Y, O'Hara F, Mc Namara D., A single-center users' experience of remote online video analysis and reporting, Endoscopy International Open, 12, (2), 2024, p227 - 230Journal Article, 2024, DOI
• A. M. O'Sullivan, T. J. Butler, C. Costigan, D. McNamara, Comparing capsule endoscopy findings with radiological reports of bowel wall thickening, Endoscopy, ESGE Days 2024, Berlin, April 2024, 56, (02), 2024, ppS211-Conference Paper, 2024
• C. Costigan, A. M. O'Sullivan, J. O'Connell, E. Omallao, N. Eagle, Y. Bailey, F. O'Hara, D. McNamara, One Day Bowel Preparation for Colon Capsule Endoscopy is as Efficacious as Traditional Split Prep Regimen and may Improve Patient Satisfaction and Therefore Compliance, Endoscopy, ESGE Days, Berlin, April 2024, 56, (S02), 2024, ppS330-Conference Paper, 2024
• C. Costigan, F. O'Hara, A. M. O'Sullivan, I. Osmerova, A. Carroll, E. Gibbons, C. Goulding, M. Hussey, G. Holleran, B. Hall, M. Buckley, D. McNamara, Patency testing prior to Video Capsule Endoscopy: An Irish Experience, Endoscopy, ESGE Days 2024, Berlin, 56, (S2), 2024, ppS331-Conference Paper, 2024
• R. Ballester-Clau, C. Costigan, S. Sengupta, J. O'Connell, T. Manoharan, D. McNamara, Glasgow-Blatchford score predicts findings on video capsule endoscopy in patients admitted with obscure overt gastrointestinal bleeding. A retrospective analysis, Endoscopy, ESGE Days 2024, Berlin, April 2024, 56, (S02), 2024, ppS374 - S375Conference Paper, 2024, DOI
• J. O'Connell, R. Ballester-Clau, C. Costigan, E. Omallao, F. O'Hara, D. McNamara, Retrospective review of the role of capsule endoscopy in cases of obscure GI bleeding, Endoscopy, ESGE Days 2024, Berlin, April 2024, 56, (S02), 2024, ppS431-Conference Paper, 2024, DOI
• R. Ballester-Clau, C. Costigan, S. Sengupta, J. O'Connell2 T. Manoharan, D. McNamara, Variations in clinical parameters suggest patients with suspected small bowel bleeding deteriorate quickly over time and that close and regular monitoring and the early introduction of small bowel investigations is warranted, Endoscopy, ESGE Days 2024, Berlin, April 2024, 56, (S02), 2024, ppS433-Conference Paper, 2024, DOI
• S. Sengupta, D. McNamara, Should our approach to anticoagulation management in endoscopy change from a primarily procedure based risk stratification to a patient focused one ?, Endoscopy, ESGE Days 2024, Berlin, April 2024, 56, (S02), 2024, ppS435-Conference Paper, 2024, DOI
• Walker C, Butler TJ, Deane C, O'Hara F, Ryan BM, O'Connor A, O'Donnell S, Breslin N, McNamara D, Angiopoientin-2 a potential marker of fibrosis in chronic liver disease., Digestive Disease Week, Washington, USA, May 2023, 164, (6), 2023, ppS1374-Conference Paper, 2023, DOI
• Baltes P, Dray X, Riccioni M.E, Pérez-Cuadrado-Robles E, Fedorov E, Wiedbrauck F, Chetcuti Zammit S, Cadoni S, Bruno M, Rondonotti E, Wurm Johansson G, Mussetto A, Beaumont H, Perrod G, McNamara D, Plevris J, Spada C, Pinho R, Rosa B, Hervás N, Carretero C , Tontini G.E, Keuchel M., Capsule endoscopy in patients with Meckel's Diverticulum-Clinical features and diagnostic findings. A European multicentre study., Endoscopy, ESGE Days, Prague, Czech Republic, April 2022, 54, (S1), 2022, ppS33-Conference Paper, 2022
• Sciberras M, Gatt K, Elli L, Scaramella L, Riccioni M.E, Marmo C, Cadoni S, McAlindon M, Sidhu R, Ohara F, McNamara D, Rondonotti E, Piccerelli S, Spada C, Bruno M, Keuchel M, Baltes P, Calleja N, Margalit R, Koulaouzidis A, Cortegoso Valdivia P, de Angelis G, Dray X, Ellul P., SCORE REPRODUCIBILITY AND RELIABILITY IN DIFFERENTIATING SMALL BOWEL SUBEPITHELIAL MASSES FROM INNOCENT BULGES, Endoscopy, ESGE Days, Praque, April 2022, 54, (S1), 2022, ppS34-Conference Paper, 2022
• Elli L, Marinoni B, Baltes P, Beaumont H, Bojarski C, Branchi F, Bruno M, Buchkremer J, Cadoni S, Cavallaro F, Chetcuti Zammit S, Dray X, Eliakim R, Ellul P, Fernandez Urien I, Keuchel M, Khater S, Kopylov U, Koulaouzidis A, Leenhardt R , Marmo C, McNamara D, Mussetto A, Nemeth A, Cuadrado Robles E.D , Perrod G, Rahmi G, Riccioni M.E, Robertson A , Rondonotti E, Saurin J.C, Sidhu R , Spada C, Toth E , Tontini G.E, Triantafyllou K, Johansson G. W, Rimondi A, NOMENCLATURE AND SEMANTIC DESCRIPTION OF ATROPHIC LESIONS IN SMALL BOWEL CAPSULE ENDOSCOPY: AN INTERNATIONAL DELPHI CONSENSUS STATEMENT, Endoscopy, ESGE Days 2022, Praque, April 2022, 54, (S1), 2022, ppS34 - S35Conference Paper, 2022
• Armstrong P.R, Butler T, Manoharan T, McNamara D, COLON CAPSULE ENDOSCOPY; TIME TO RAISE THE THRESHOLD FOR ONWARD REFERRAL FOR COLONOSCOPY, Endoscopy, ESGE Days 2022, Prague czechoslovakia, April 2022, 54, (S1), 2022, ppS116-Conference Paper, 2022, DOI
• Doherty J, Morain N.O, Stack R, Hara F.O, Corcoran R, Bailey Y, McNamara D, Kevans D, Doherty G., THE DUBLIN SCORE IS A USEFUL TOOL FOR PREDICTING DISEASE COURSE IN PATIENTS WITH ULCERATIVE COLITIS, Endoscopy, ESGE Days 2022, Prague czechoslovakia, April 2022, 54, (S1), 2022, ppS122-Conference Paper, 2022, DOI
• O'Hara F, Walker C, McNamara D., RETROSPECTIVE ANALYSIS OF THE UTILITY OF THE PATENCY CAPSULE IN CAPSULE ENDOSCOPY, Endoscopy, ESGE Days 2022, Prague Czechoslovakia, April 2022, 54, (S1), 2022, ppS167-Conference Paper, 2022, DOI
• Deane C, Walker C, Ryan B, O'Connor A, O'Donnell S, Breslin N, McNamara D., REDUCED COMPLETION RATES FOR INPATIENT VERSUS OUTPATIENT COLON & PANINTESTINAL VIDEO CAPSULE ENDOSCOPY; A NESTED CASE-CONTROL STUDY, Endoscopy, ESGE Days 2022, Praque Czech Republic, April 2022, 54, (S1), 2022, ppS260-Conference Paper, 2022
• F. O'Hara, C. Walker, D McNamara., ORALLY ADMINISTERED PEPPERMINT OIL SOLUTION AS AN AID TOPREVENT DELAYED GASTRIC EMPTYING IN CAPSULE ENDOSCOPY, United European Gastroenterology Journal, United European Gastroenterology Week, Vienna, October 2022, 10, 2022, ppS279 - S280Conference Paper, 2022
• FitzGerald, D. McNamara, S. Smith, THE NOTCH PATHWAY TRANSCRIPTION FACTOR HES1 REGULATESEXPRESSION OF THE PRO-INFLAMMATORY CYTOKINE IL-8 DURINGH. PYLORI INFECTIONR., United European Gastroenterology Journal, United European Gastroenterology Week, Vienna Austria, October 2022, 10, 2022, ppS289-Conference Paper, 2022, DOI
• T. Butler1, P. Armstrong, M.T. Gregg, S. Smith, D. McNamara, AN EVOLVING RESISTANT PANDEMIC. RISING COMMUNITY H. PYLORITREATMENT FAILURE TO CLARITHROMYCIN-BASED TRIPLE THERAPY:AN OBSERVATIONAL STUDY, United European Gastroenterology Journal, United European Gastroenterology Week, Vienna, October 2022, 10, 2022, pp563-Conference Paper, 2022, DOI
• C. Walker, F. O'Hara, R. Connaughton, S. Anwar, R. Ballester, B. Ryan , A. O'Connor, S. O'Donnell, N. Breslin, D. McNamara., HIGHER LEVELS OF OPIOID ANALGESIA AND SEDATION ARE REQUIRED TO MAINTAIN ADEQUATE PATIENT COMFORT AND IMPROVE PROCEDURE SUCCESS IN DEVICE ASSISTED ENTEROSCOPY.I S CONSCIOUS SEDATION ENOUGH?, United European Gastroenterology Journal, United European Gastroenterology Week, Vienna, October 2022, 10, 2022, pp1043-Conference Paper, 2022
• F. O'Hara, C. Walker, D McNamara., CAPSULE ENDOSCOPY WITH ARTIFICIAL INTELLIGENCE ASSISTED TECHNOLOGY: AI IN CLINICAL PRACTICE, United European Gastroenterology Journal, United European Gastroenterology Week, Vienna, October 2022, 10, 2022, pp1049-Conference Paper, 2022
• C. Costigan R. Bourke, D. McNamara, AUTOMATED PROMPTS RESULT IN HIGH PROKINETIC USE WITHOUT IMPROVING COLON CAPSULE PERFORMANCEC, United European Gastroenterology Journal, United European Gastroenterology Week, Vienna, October 2022, 10, 2022, pp1051-Conference Paper, 2022, DOI
• Dray X, Riccioni ME , Wurm Johansson G , Keuchel M , Perrod G , Martin A , Tortora A , Nemeth A , Baltes P, Pérez-Cuadrado-Robles E, Chetcuti Zammit S, Lee PS, Cadoni S, Fernández-Urien Sainz I McNamara D, Margalit-Yehuda R, Beaumont H, Mussetto A, Spada C, Elli L, Bruno M, Rondonotti E, Robertson A, Cortegoso Valdivia P, Leenhardt R O.b.o. the European Capsule Endoscopy Working Group, Koulaouzidis A., FEASIBILITY AND DIAGNOSTIC YIELD OF SMALL BOWEL CAPSULE ENDOSCOPY IN PATIENTS WITH SURGICALLY ALTERED GASTRIC ANATOMY, Endoscopy, ESGE Days, Virtual, April 2021, 53, (S1), 2021Conference Paper, 2021, DOI
• O'Hara F , Seminov S , McNamara D., BALLOON DILATATION OF PROXIMAL SMALL BOWEL CROHN'S DISEASE STRICTURES DURING ANTEGRADE DOUBLE BALLOON ENTEROSCOPY, Endoscopy, ESGE Days 2021, Virtual, April 2021, 53, (S1), 2021, ppS8-Conference Paper, 2021
• Semenov S, MS Ismai, O'Hara F, O'Donnell S, O'Connor A, Breslin N, Ryan B , McNamara D, THE TRUE FALSE NEGATIVE RATE OF COLON CAPSULE ENDOSCOPY IS LOW, Endoscopy, ESGE Days 2021, Virtual, April 2021, 53, (S1), 2021, ppS101-Conference Paper, 2021
• Walker C, Carroll A, McKearney E, Deane C, Breslin N, McNamara D, O'Donnell S, Ryan B, O'Connor A, AN EVALUATION OF OUTCOMES FOLLOWING ENDOSCOPIC BALLOON DILATATION OF STRICTURES IN CROHN'S DISEASE PATIENTS IN A TERTIARY IRISH HOSPITAL, Endoscopy, ESGE Days, Virtual, March 2021, 53, (S1), 2021, ppS102-Conference Paper, 2021
• O'Hara F , Seminov S1, McNamara D, AUDIT OF THE USE OF PROKINETICS TO IMPROVE COMPLETION RATES OF SMALL BOWEL CAPSULE ENDOSCOPY, Endoscopy, ESGE Days 2021, Virtual, March 2021, 53, (S1), 2021, ppS130-Conference Paper, 2021
• O'Hara F, Seminov S, McNamara D, THE USE OF BOWEL PREPARATION TO IMPROVE DIAGNOSTIC YIELD IN SMALL BOWEL CAPSULE ENDOSCOPY. A PROSPECTIVE RANDOMISED NESTED CASE CONTROL STUDY OF MOVIPREP VERSUS DIETARY MEASURES, Endoscopy, ESGE Days 2021, Virtual, March 2021, 53, (S1), 2021, ppS131-Conference Paper, 2021
• Matthews T, Breslin N, McNamara D, O'Connor A, Sarah O'Donnell, Ryan B, POLYP EXCISION RATES POST-COVID-19: PERSONAL PROTECTIVE EQUIPMENT DOES NOT IMPAIR PERFORMANCE, Endoscopy, ESGE Days 2021, Virtual, March 2021, 53, (S1), 2021, ppS133-Conference Paper, 2021
• Semenov S, Ismail SI, Sihag S, O'Donnell S, O'Connor A, Breslin N, Ryan, B, McNamara D, Virtual. Application of a simple imaging bundle could improve neoplastic poly detection on CCE., United European Gastroenterology Journal, United European Gastroenterology Week, Virtual, October 2021, 9, (S8), 2021, ppA857-Conference Paper, 2021
• Matthews T, Anwar S, Ballester R , Breslin N, McNamara D, O'Connor A, Ryan B, O'Donnell S, Eosinophilic oesophagitis: Increasing prevalence over two decades at an Irish tertiary referral centre., United European Gastroenterology Journal, United European Gastroenterology Week 2021, Virtual, October 2021, 9, (S8), 2021, ppA288-Conference Paper, 2021
• FitzGerald R, Devapal M, Saini V, Hickey J, McNamara D, Smith S., Helicobacter pylori infection inhibits expression and function of the polycomb repressive complex., United European Gastroenterology Journal, United European Gastroenterology Week 2021, Virtual, October 2021, 9, (S8), 2021, ppA315-Conference Paper, 2021, DOI
• Sihag S, Omallao E, Semenov S, McCarthy EM, Matthews T, Breslin N, O'Connor A, Ryan B, O'Donnell, Anwar S, Ballister R, McNamara D., The patient experience and clinical efficacy of a novel virtual C13UBT service at an Irish tertiary referral centre during the COVID-19 pandemic, United European Gastroenterology Journal, United European Gastroenterology Week 2021, Virtual, October 2021, 9, (S8), 2021, ppA317-Conference Paper, 2021
• O'Hara F, McDonald I, Quidwai S, Ryan B, O Connor A, O'Donnell S, Breslin N, McNamara D, Quality of life outcomes in anaemic patients with suspected small bowel bleeding, United European Gastroenterology Journal, United European Gastroenterology Week 2021, Virtual, October 2021, 9, (S8), 2021, ppA361-Conference Paper, 2021
• Walker C, Deane C, Doran J, Ryan B, O'Connor A, O'Donnell S, Breslin N, McNamara D, The correlation between capsule endoscopy and subsequent device assisted enteroscopy findings of small bowel vascular lesions, United European Gastroenterology Journal, United European Gastroenterology Week 2021, Virtual, October 2021, 9, (S8), 2021, ppA363-Conference Paper, 2021
• McDonald I, Bailey Y, O'Connor A, Breslin N, O'Donnell S, Ryan B, McNamara D, Dose escalation and discontinuation rates differ due to loss of response in older and younger IBD cohorts, United European Gastroenterology Journal, United European Gastroenterology Journal, Virtual, October 2021, 9, (S8), 2021, ppA493-Conference Paper, 2021
• McCarthy EM, Sihag S, Semenov S, Grainger R, Deane C, Walker C, Malone R, Ballester R, Anwar S, Ryan B, Breslin N, O'Donnell S, O Connor A, McNamara D, A prospective comparison of two headed and single headed capsules for the investigation of suspected small bowel bleeding. Are two heads better than one?, UEGJ, United European Gastroenterology Week, Virtual, October 2021, 9, (S8), 2021, pp864-Conference Paper, 2021
• Semenov S, Manoharan T, Ismail M.S, Sihag S, Hazel K., Molloy D, , Ryan B, Breslin N, O'Connor A,, O'Donnell S, McNamara D, Colon capsule endoscopy (CCE) is an effective filter test for colonic polyp surveillance, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Virtual, October 2020, 8, (8S), 2020, pp67-Conference Paper, 2020
• Ismail M.S, Semenov s, Sihag S, McNamara D., Small bowel polypectomy for the management of Peutz- Jegher associated recurrent intussusception, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Virtual, October 2020, 8, (8S), 2020, pp142-Conference Paper, 2020, DOI
• Matthews T, Afzal N, Mahon J, O'Connor A, Breslin N, Ryan B, McNamara D, O'Donnell S, Stable rate of Helicobacter pylori infection in patients with peptic ulcer disease in a tertiary referral hospital over the last decade, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Virtual, October 2020, 8, (8S), 2020, pp236-Conference Paper, 2020
• Sinha C, FitzGerald R, Whelan A., O,Reilly L., Curran N, Douglas A.R, Brennan D, O'Morain C, McNamara D, Smith S, Clarithromycin resistance is more common among less virulent Helicobacter Pylori strains- data from an Irish centre., United European Gastroenterology Journal, United European Gastroenterology Week, Virtual, October 2020, 8, (8S), 2020, pp285-Conference Paper, 2020
• Goltstein L.C.M.J, Grooteman K.V, Rocco A, Holleran G, Frago-Larramona S, Salgueiro P.S, Aparicio T, Scaglione G, Chetcuti Zammit S, Prados Manzano R, Benamouzig R, McNamara D, Benallaoua M, Sautereau D, Michopoulos S, Sidhu R, Kievit W, Drenth J.P.H, Van Geenen E.J.M., Somatostatin analogues are effective and safe in transfusion-dependent gastrointestinal bleeding due to angiodysplasia: an individual patient data meta-analysis, United European Gastroenterology Journal, United European Gastroenterology Week, Virtual, October 2020, 8, (8s), 2020, pp285-Conference Paper, 2020, DOI
• Hussey M, Doherty J, Bailey Y, Kevans D, McNamara D, Immunosenescence is a factor in response to Infliximab therapy in IBD patients over 65 years of age, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Virtual, October 2020, 8, (8S), 2020, pp448-Conference Paper, 2020, DOI
• Fennessy A., Sihag S, Syafiq Ismail M, Hazel K, Gibbons E, Semenov S, Carroll A, Warnock S, O'Donnell S, McNamara D, Ryan B, Breslin N, O'Connor A, Treatment of symptoms in the absence of inflammation in Inflammatory Bowel Disease (TRAIN-IBD): interim results, United European Gastroenterology Journal, United European Gastroenterology Week, Virtual, October 2020, 8, (8S), 2020, pp459-Conference Paper, 2020
• McCarthy E.M, Ryan J, Griffin S, O'Riordan J, Breslin N, O Connor A, Ryan B, Crowther S, McNamara D, The safety and efficacy of endoscopic mucosal resection for large and intermediate rectal polyps performed in an Irish university affiliated hospital., United European Gastroenterology Journal, United European Gastroenterology Week 2020, Virtual, October 2020, 8, (8S), 2020, pp785-Conference Paper, 2020
• Leenhardt R, Riccioni M.E, Wurm-Johansson G, Keuchel M, Perrod G, Tortora A, Nemeth A, Baltes P, Rahmi G, Chetcuti Zammit S, Lee P.S, Cadoni S, Fernandez-Urien Sainz I, McNamara D, Margalit-Yehuda R, Beaumont H, Mussetto A, Spada C, Elli L, Trianatafylou K, Ellul P, Perez Cuadrado E, Bruno M, Rondonotti E, Robertson A, Dray X., Small bowel capsule endoscopy in patients with altered gastric anatomy: results from a European multicentre study, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Virtual, October 2020, 8, (8S), 2020, pp826-Conference Paper, 2020, DOI
• Sidhu R, McAlindon M, Saurin JC, Eliakim A., Fernandez-Urien Sainz I, Plevris JN, Rahmi G, Rondonotti E, Rosa B, Spada C, Toth E, Houdeville C, Li C, Robaszkiewicz M, Marteau P, Dray X., A guide for assessing the clinical relevance of findings in small bowel capsule endoscopy: analysis of 8064 answers of international experts to an illustrated script questionnaire., UEGJ, United European Gastroenterology Week, Virtual, October 2020, 8, (8S), 2020, pp827-Conference Paper, 2020, DOI
• Semenov S, Douglas A.R, Ismail M.S, Sihag S, Ryan B, Breslin N, O'Connor A, O'Donnell S, McNamara D., The addition of castor oil as a booster in colon capsule regimens significantly improves completion rates and polyp detection, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Amsterdam, Virtual, October 2020, 8, (8S), 2020, pp827 - 828Conference Paper, 2020
• Sihag S, Tan B, Semenov S, Ismail M.S, O'Donnell S, O'Connor A, Ryan B, Breslin N, McNamara D, Clinical outcome of patients examined by small bowel capsule endoscopy with non-specific enteritis, United European Gastroenterology Journal, United European Gastroenterology Week, Amsterdam Virtual, October 2020, 8, (8S), 2020, pp828-Conference Paper, 2020
• Ismail M.S, Semenov S, Sihag S, Ryan B, O'Connor A, Breslin N, O'Donnell S, McNamara D, Improving quality in colon capsule endoscopy; effects of different bowel preparation regimens, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Amsterdam, Virtual, October 2020, 8, (8S), 2020, pp829-Conference Paper, 2020
• Sihag S, McCarthy EMM, Ismail MS, Semenov S, Ryan B, O'Donnell S, O'Connor A, Breslin N, McNamara D, Is it worth repeating capsule endoscopy (CE) in suspected small bowel bleeding?, United European Gastroenterology Journal, United European Gastroenterology Week 2020, Amsterdam Virtual, October 2020, 8, (8S), 2020, pp829 - 830Conference Paper, 2020
• Ismail, M S, Murphy, G, Kelly, C, O'Riordan, F, Semenov, S, Sihag, S, Breslin, N, O' Connor A, Ryan, B, McNamara, D, P203 FIT and FC as a surrogate non-invasive marker for mucosal healing in inflammatory bowel disease, Journal of Crohn's and Colitis, 14, (Supplement_1), 2020, pS240-S240Journal Article, 2020
• O'Connell, J, Corcoran, R, Argue, R, McDonagh, P, Ismail, M S, Cullen, G, Doherty, G, Hartery, K, Healy, M, McCormack, M, MacCarthy, F, McKiernan, S, O'Connor, A, Ryan, B, McNamara, D, Kevans, D, P721 Early vedolizumab trough levels are associated with induction therapy outcome, Journal of Crohn's and Colitis, 14, (Supplement_1), 2020, pS580-S580Journal Article, 2020
• Bailey, Y, Hanna, C, O'Connor, A, Breslin, N, Ryan, B, McNamara, D, N11 Pregnancy Outcomes in Patients with inflammatory bowel disease: A single-centre experience, Journal of Crohn's and Colitis, 14, (Supplement_1), 2020, pS662-S662Journal Article, 2020
• Pariente, B, Torres, J, Burisch, J, Arebi, N, Barberio, B, Duricova, D, Ellul, P, Goldis, A, Kaimakliotis, I, Katsanos, K, Krznaric, Z, Mc Namara, D, Pedersen, N, Sebastian, S, Weimars, P, Lung, P, Lacognata, C, Horak, M, Domislovic, V, Murphy, I, Ungaro, R, Colombel, J F, Mary, J Y, OP05 Validation of the Lémann index in Crohn"s disease, Journal of Crohn's and Colitis, 14, (Supplement_1), 2020, pS005-S006Journal Article, 2020, DOI
• Semenov, S, Manoharan, T, Sihag, S, Hazel, K, Ismail, MS, Molloy D, Ryan, B, Breslin, N, O'Connor, A, McNamara, D, COLON CAPSULE ENDOSCOPY (CCE) IS AN EFFECTIVE FILTER TEST FOR COLONIC POLYP SURVEILLANCE, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Leenhardt, R, Koulaouzidis, A, Keuchel, M, Li, C, Rondonotti, E, Toth, E, Fernandez-Urien, I, McNamara, D, Sidhu, R, McAlindon, M, Rosa, B, Plevris, J, Eliakim, R, Spada, C, Houdeville, C, Robazckiewicz, M, Rahmi, G, Saurin, JC, Marteau, P, Dray, X, A GUIDE FOR INTERPRETATION OF THE PERTINENCY OF SMALL BOWEL CAPSULE ENDOSCOPY FINDINGS: ANALYSIS OF 8064 ANSWERS OF INTERNATIONAL EXPERTS TO AN ILLUSTRATED SCRIPT QUESTIONNAIRE, © Georg Thieme Verlag KG, 2020Conference Paper, 2020, DOI
• Ismail, MS, Semenov, S, Sihag, S, McNamara, D, SMALL BOWEL POLYPECTOMY FOR THE MANAGEMENT OF PEUTZ-JEGHER ASSOCIATED RECURRENT INTUSSUSCEPTION, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Sihag, S, Tan, B, Ismail, MS, Semenov, S, Ryan, B, O'Connor, A, Breslin, N, McNamara, D, CLINICAL OUTCOME OF PATIENTS EXAMINED BY SMALL BOWEL CAPSULE ENDOSCOPY WITH NON-SPECIFIC ENTERITIS, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Gordon, Joy, Walker, C, Parihar, V, Kavanagh, D, Neary, P, Ridgeway, P, Breslin, N, McNamara, D, O'Connor A, Ryan, B, POSITIVE IMPACT OF NURSE-LED CLINICAL VALIDATION AND STRICT APPLICATION OF GUIDELINES TO ENDOSCOPY WAITING LISTS IN A TERTIARY IRISH HOSPITAL, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Douglas, A, Sihag, S, Semenov, S, Ryan, B, O'Connor, A, Breslin, N, McNamara, D, SIMETHICONE CLEARS THE WAY FOR CAPSULES, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Syafiq Ismail, M, Semenov, S, Sihag, S, Breslin, N, O'Connor, A, Ryan, B, McNamara, D, IMPROVING QUALITY IN COLON CAPSULE ENDOSCOPY; EFFECTS OF DIFFERENT BOWEL PREPARATION REGIMENS, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Semenov, S, Atiyekeogbebe, R, Ismail, MS, Sihag, S, McCarthy, E, Ryan, B, Breslin, N, O'Connor, A, McNamara, D, THE ADDITION OF CASTOR OIL AS A BOOSTER IN COLON CAPSULE REGIMENS SIGNIFICANTLY IMPROVES COMPLETION RATES AND POLYP DETECTION, © Georg Thieme Verlag KG, 2020Conference Paper, 2020
• Ismail, MS, O'Keefe, A, Aylward, CJ, Hickey, N, McNamara, D, FUTURE KEY PERFORMANCE INDICES FOR DEVICE ASSISTED ENTEROSOCPY; WHAT WE CAN LEARN FROM CURRENT PRACTICE, Georg Thieme Verlag KG, 2019Conference Paper, 2019
• Murphy, G, Ismail, MS, Msaky, C, McNamara, D, COMPARING COLON CAPSULE ENDOSCOPY TO COLONOSCOPY; A PATIENT'S PERSPECTIVE, Georg Thieme Verlag KG, 2019Conference Paper, 2019
• FitzGerald R., Windle H, Kelleher D, Douglas A.R., O'Morain C, McNamara D. Smith S., Helicobacter pylori infection inhibits Notch signalling in gastric epithelial cells and the mucosa, United European Gastroenterology Journal, United European Gastroenterology Week 2019, Barcelona, October 2019, 7, (8S), 2019, 57Conference Paper, 2019
• Leenhardt R., Buisson A., Boureille A , Marteau P, Koulaouzidis A, Li C , Keuchel M, Rondonotti E, Toth E., Plevris J.N, Eliakim A Rosa B Triantafyllou K., Elli L, Wurm-Johansson G, Ellul P, Perez-Cuadrado-Robles E, McNamara D, Cavallaro F, Spada C., Cholet F, Beaumont H., Fernández-Urién Sainz I, Kopylov U., McAlindon M., Németh A., Niv Y, Panter S, Tontini G.E., Yung D.E., Rahmi G. Saurin J.C., Dray X., Nomenclature and Semantic Description of Ulcerative and Inflammatory Lesions seen in Crohn's Disease in Small Bowel Capsule Endoscopy: an International Delphi Consensus Statement, United European Gastroenterology Journal, United European Gastroenterology Week 2019, Barcelona, October 2019, 7, (8S), 2019, pp292-Conference Paper, 2019
• Douglas A.R, Fitzpatrick H, Mohd Faudzi F, Brennan D, Omorogbe J.A, Smith S, Ryan B, O Connor A, McNamara D, High incidence of H.pylori resistance in an Irish centre which negatively impacts treatment, UEGJ, United European Gastroenterology Week 2019, Barcelona, October 2019, 7, (8S), 2019, pp731-Conference Paper, 2019, DOI
• O'Riordan F, Ryan B, Breslin N, O'Connor A, McNamara D, Should sessile serrated polyps have different surveillanc, UEGJ, United European Gastroenterology Week, Barcelona, October 2019, 7, (8S), 2019, pp388-Conference Paper, 2019, DOI
• Douglas AR, Smith S, Ryan B, Breslin N, Murphy G, Ismail M.S, Holleran G, O'Connor A, McNamara D, Shared angiogenic drivers of intestinal vascular disorders., UEGJ, United European Gastroenterology Week 2019, Barcelona, October 2019, 7, (8S), 2019, pp727-Conference Paper, 2019
• Ryan E.J, Orsi G, Syed A.Z, Boland M.R, Creavin B, Kelly M.E, Sheahan K, Neary P.C, Kavanagh D.O, McNamara D, Winter D.C, O'Riordan J.M, Meta-analysis of early surgery versus initial medical therapy with or without delayed surgery in patients with ileocolonic Crohn's disease, UEGJ, United European Gastroenterology Week 2019, Barcelona, October 2019, 7, (8S), 2019, pp918-Conference Paper, 2019
• O'Riordan F, Reidy M, Sim Yan En, McNamara D, High-risk factors for gastric retention in small bowel capsule endoscopy. A single centre retrospective comparative study, United European Gastroenterology Week 2019, Barcelona, October 2019., 7, (8S), 2019, pp857 - 858Conference Paper, 2019
• Doherty J, Ryan AW, Quinn E, Conroy J, Dolan J, Corcoran R, Hara FO, Cullen G, Sheridan J, Bailey Y, Dunne C, Hartery K, McNamara D, Doherty GA, Kevans D., HLA-DQA1*05 Allele Carriage and Anti-TNF Therapy Persistence in Inflammatory Bowel Disease., Inflammatory Bowel Disease, 2024, pEpub ahead of printJournal Article, 2024, DOI
• McLoughlin, R, Sebastian, SS, Qasim, A, McNamara, D, O'Connor, HJ, Buckley, M, O'Morain, C, Coeliac disease in Europe., Alimentary Pharmacology & Therapeutics, 18 , (Suppl 3), 2003, p45-48Journal Article, 2003
• O'Connor A, Keane RA, Egan B, Lee N, O'Connor H, Qasim A, Ryan B, Breslin N, McNamara D, O'Morain C, Adherence to colorectal polyp surveillance guidelines: is there scope to increase the opportunities for screening?, European Journal of Cancer Prevention : the official journal of the European Cancer Prevention Organisation (ECP), 20, (1), 2010, p40 - 45Journal Article, 2010
• McNamara D, Buckley M, Gilvarry J, O' Morain C, Does Helicobacter pylori eradication affect symptoms in nonulcer dyspepsia: a 5-year follow-up study., Helicobacter, 7, (5), 2002, p317-21Journal Article, 2002
• McNamara D, Buckley M, Crotty P, Hall W, O' Sullivan M, O' Morain C, Carditis: all Helicobacter pylori or is there a role for gastro-oesophageal reflux?, Scandinavian Journal of Gastroenterology, 37, (7), 2002, p772-7Journal Article, 2002
• McNamara D, O'Morain C, Consensus guidelines: agreement and debate surrounding the optimal management of Helicobacter pylori infection., Canadian Journal of Gastroenterology., 14, (6), 2000, p511-7Journal Article, 2000
• McNamara D, O' Morain C, Gastro-oesophageal reflux disease and Helicobacter pylori: an intricate relation., Gut, 45 Suppl 1, 1999, pI13-7Journal Article, 1999
• McNamara D, Whelan H, Hamilton H, Beattie S, O' Morain C, HpSA: assessment of a new non-invasive diagnostic assay for Helicobacter pylori infection in an Irish population., Irish journal of medical science, 168, (2), 1999, p111-3Journal Article, 1999
• McNamara D, O' Morain C, Helicobacter pylori and gastric cancer., Italian Journal of Gastroenterology and Hepatology, 30 Suppl 3, 1998, pS294-8Journal Article, 1998
• McNamara D, El-Omar E, Helicobacter pylori infection and the pathogenesis of gastric cancer: a paradigm for host-bacterial interactions., Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver, 40, (7), 2008, p504-9Journal Article, 2008
• Mahmood Z, McNamara D, Gastro-oesophageal reflux disease and ulcer disease., Alimentary pharmacology & therapeutics, 18 Suppl 3, 2003, p31-7Journal Article, 2003
• Burroughs A, McNamara D, Liver disease in Europe., Alimentary pharmacology & therapeutics, 18 Suppl 3, 2003, p54-9Journal Article, 2003
• Lamy V, McNamara D, Gastroenterology and hepatology services in Europe., Alimentary pharmacology & therapeutics, 18 Suppl 3, 2003, p90-2Journal Article, 2003
• Riordan JM, Abdel-latif MM, Ravi N, McNamara D, Byrne PJ, McDonald GS, Keeling PW, Kelleher D, Reynolds JV, Proinflammatory cytokine and nuclear factor kappa-B expression along the inflammation-metaplasia-dysplasia-adenocarcinoma sequence in the esophagus., The American journal of gastroenterology, 100, (6), 2005, p1257-64Journal Article, 2005, DOI
• Dinan TG, Scott LV, Brady D, McNamara D, Keeling PW, Altered hypothalamic cholinergic responses in patients with nonulcer dyspepsia: a study of pyridostigmine-stimulated growth hormone release., The American journal of gastroenterology, 97, (8), 2002, p1937-40Journal Article, 2002, DOI
• Macdonald J, Porter V, Scott NW, McNamara D, Small bowel lymphangiectasia and angiodysplasia: a positive association; novel clinical marker or shared pathophysiology?, Journal of clinical gastroenterology, 44, (9), 2010, p610-4Journal Article, 2010, DOI
• Macdonald J, Porter V, McNamara D, Negative capsule endoscopy in patients with obscure GI bleeding predicts low rebleeding rates., Gastrointestinal Endoscopy, 68, (6), 2008, p1122-7Journal Article, 2008, DOI
• Kahl S, Zimmermann S, Glasbrenner B, Pross M, Schulz HU, McNamara D, Malfertheiner P, Treatment of benign biliary strictures in chronic pancreatitis by self-expandable metal stents., Digestive diseases, 20, (2), 2002, p199-203Journal Article, 2002, DOI
• McNamara D, McLoughlin R, O'Morain C , Screening for colorectal cancer, Journal of Modern Medicine, 2004Review Article, 2004
• McNamara D, O'Morain C, Dyspepsia: A test and treat management strategy, Annals of Gastroenterology , 14, 2001, 14-16Journal Article, 2001
• McNamara D, O'Morain C, GERD and Helicobacter pylori: an intricate relationship, Gut , 45, (Suppl.1), 1999, p113 - 117Journal Article, 1999
• McNamara D, O'Morain C, Non-ulcer dyspepsia: Current concepts and management., Gastroenterology Clinics of North America , 29, 2000, p807-18Journal Article, 2000
• Lee JM, McNamara D, Breslin NP, Hyde DK, O'Morain C, Options for Helicobacter eradication in clinical practice when proton pump inhibitor-based triple therapy fails, Gut , 41, (Suppl.3), 1997, pA16Journal Article, 1997
• McNamara D, Pancreatic disease, Alimentary Pharmacology and Therapeutics, (18), 2003, p60-65Review Article, 2003
• McNamara D, Keeling PWN, Acute pancreatitis, Journal of Modern Medicine , 31, (4), 2001, p1-7Review Article, 2001
• McLeman L, Sinclair T, McNamara D, Colonoscopy performance in the colon cancer screening era: Does equipment matter., Gastroenterology Today, 3, (19), 2009, p80-83Journal Article, 2009
• McNamara D, Qasim A, Lee N, Condon C, O'Morain C, Round one of the Adelaide and Meath Hospital/Trinity College Colorectal Cancer Screening Programme: programme report and analysis based on established international key performance indices., Irish journal of medical science, 180, (2), 2011, p549 - 542Journal Article, 2011
• O'Connor A, Gisbert JP, McNamara D, O'Morain C, Treatment of Helicobacter pylori infection 2010., Helicobacter, 15, (s1), 2010, p46 - 52Journal Article, 2010, DOI
• McNamara D, El-Omar EM, How accurate are fecal tests for determination of cure after Helicobacter pylori eradication therapy?, Nature Clinical Practice. Gastroenterology & Hepatology, 4, (5), 2007, p248-9Journal Article, 2007
• Anthony O'Connor, Javier P. Gisbert, Deirdre McNamara, Colm O'Morain, Treatment of Helicobacter pylori Infection 2011, Helicobacter, 16, (s1), 2011, p53-58Journal Article, 2011, TARA - Full Text
• Summary session: Helicobacter pylori and inflammatory bowel disease in, editor(s)Takashi Shimayama, Anthony Axon, Adrian Lee, Daniel K Podolsky, C O'Morain , Helicobacter meets Inflammatory Bowel Disease., Tokyo, Japan, Medical Tribune Inc, 2002, [McNamara D]Book Chapter, 2002
• El-Sherif O, Breslin N, O'Connor H, Ryan B, O'Morain C, McNamara D, The efficacy of various faecal immunological test (FIT) cut-off points in a two step bowel cancer screening programme, GUT, United European Gastroenterology Week , 2011, 60, 2, 2011, ppA202Meeting Abstract, 2011
• Lee CS, O'Gorman P, Walsh P, Qasim A, McNamara D, O'Morain C, Boran G., Immunochemical faecal occult blood tests have superior stability., Journal of Clinical Pathology, 64, (6), 2011, p524 - 528Journal Article, 2011
• Helicobacter pylori eradication in dyspepsia is clinically useful. in, editor(s)Hunt R and Tytgat GN. , Helicobacter pylori, Basic Mechanisms to Clinical Cure., Hamburg, Kluwer Academic Publishers, 2000, [McNamara D, O'Morain C.]Book Chapter, 2000
• New clinical aspects of Helicobacter pylori infection. in, editor(s)A Moran and C O'Morain. , Helicobacter pylori., Hamburg, Normed Verlag, 2000, [McNamara, O'Morain C.]Book Chapter, 2000
• Hp et Cancer Gastrique. in, editor(s)Liaisons S.A. , Maladies de l'oesophage, de l'estomac et du duodenum., Arnette Groupe, 1999, [McNamara D, O'Morain C.]Book Chapter, 1999
• Therapy of Hp positive non-ulcer dyspepsia. in, editor(s)Basel , Progress in Basic and Clinical Pharmacology., Karger, 1998, [Montague S, McNamara D, O'Morain C.]Book Chapter, 1998
• Role of Helicobacter in gastric cancer and MALT lymphoma. in, editor(s)D Tsantoulas , 1st Mediterranean Summer School., Greece, Samos, 1998, [McNamara D, O'Morain C.]Book Chapter, 1998
• Peptic ulcer and H.pylori infection and NSAIDs: Gastric and peptic ulcer disease. in, editor(s)Joseph Sung and Peter Cotton. , Upper Endoscopy: Advanced endoscopy., GastroHep.com, 2005, [McNamara D, Malfertheiner P.]Book Chapter, 2005
• Rocco A, Schandl L, Chen J, Wang H, Tulassay Z, McNamara D, Malfertheiner P, Ebert MP., Loss of FHIT protein expression correlates with disease progression and poor differentiation in gastric cancer. , Journal of Cancer Research Clinical Oncology, 129, (2), 2003, p95 - 98Journal Article, 2003
• Khal S, Zimmermann S, Genz I, Glasbrenner B, Pross M, Schultz HU, McNamara D, Schmidt U, Malfertheiner P., Risk factors for failure of endoscopic stenting of biliary strictures in chronic pancreatitis: a prospective follow-up study., American Journal of Gastroenterology, 98, (11), 2003, p2448 - 2450Journal Article, 2003
• Porter V, Zahid A, Mackie B, McNamara D., Results of a prospective comparison pilot validation study of a low dose tablet formulation 13C Urea and Citric acid Breath Test employing a novel automated non dispersive isotope selective infrared spectroscopy analyzer (HeliFAN/ FAN as) for the diagnosis of Helicobacter pylori infection. , European Journal of Gastroenterology, 21, (11), 2009, p1321 - 1322Journal Article, 2009
• McNamara D, Buckley M, O'Morain C., Helicobacter pylori induced duodenal ulcer frequently coincides with gastro-oesophageal reflux disease. , Digestive and Liver Disease , 34, 2002, p542 - 546Journal Article, 2002
• McNamara D, Lewis T, O'Morain C., Zollinger-Eillson syndrome with fasting hypoglycaemia. , Journal Royal Society of Medicine , 91, 1998, p92 - 93Journal Article, 1998
• McNamara D, Power J, Hourihan D, O'Morain C, Cryptogenic Organising Pneumonitis in association with acute viral hepatitis., Irish Journal of Medical Science , 166, 1997, p83 - 84Journal Article, 1997
• The European HPSA Study Group, Diagnosis of Helicobacter pylori infection with a new non-invasive antigen based assay in a European multicentre study. , Lancet, 354, 1999, p30 - 33Journal Article, 1999
• Lee CS, Leen R, O'Morain C, McNamara D, Screening for colorectal cancer: What fits best ?, Expert Reviews Gastroenterology Hepatology, 6, (3), 2012, p301 - 312Review Article, 2012
• Lee CS, McNamara D, O'Morain C, Aspirin as a Chemoprevention Agent for Colorectal Cancer, Current Drug Metabolism, 13, 2012, p1313 - 1322Journal Article, 2012
• O'Connor A, Alakkari A, McNamara D, Breslin N, Ryan B, O'Connor H, O'Morain C., Departmental attitudes for the awareness and prevention of gastric cancer prevent missed diagnoses., Helicobacter, XXIV International Workshop on Helicobacter and related bacteria in chronic digestive inflammation and gastric cancer., 2011, 16, (S1), 2011, pp92 - 93Meeting Abstract, 2011
• Macdonald J, Porter-Ritchie V, Mackie B, McNamara D., Assessment of tolerance, safety and efficacy of ambulatory oesophageal pH monitoring using the catheter free Bravo system in a Scottish population., GUT, British Society of Gastroenterology , 2011, 60, (1), 2011, ppA182-Meeting Abstract, 2011, DOI
• O'Connor A, Alakkari A, McNamara D, Breslin N, Ryan B, O'Connor H, O'Morain C., Resistance to Levofloxacin, Rifabutin and Tetracycline amongst H.pylori strains in a reference centre, Helicobacter, XXIII International Workshop on Helicobacter and related bacteria in chronic digestive inflammation and gastric cancer , 2010, 15, (4), 2010, pp388-Meeting Abstract, 2010
• Macdonald JC, Porter V, Mackie B, McNamara D., Do we overestimate the risk of capsule endoscopy in suspected or established small bowel Crohn's disease? A comparison with completion rates observed in the setting of obscure gastrointestinal bleeding., GUT, United European Gastroenterology Week, 2010, 59, (1), 2010, ppA53-Meeting Abstract, 2010
• Macdonald J.C, Porter V, McNamara D, A Standardised Bowel Preparation Regime can improve completion rates and quality of study in capsule endoscopy., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, 2008, 134, (1), 2008, ppA344-Meeting Abstract, 2008
• McNamara, Deirdre A.; Brady, Deirdre M.; Dinan, Ted; Keeling, Napoleon P. W. , Increased serotonergic and cholinergic central receptor sensitivity in subjects with non ulcer dyspepsia., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, 2002, 122, (1), 2002, ppA383-Meeting Abstract, 2002
• McNamara D, Mahmud N, Ellis L, Dinan T, Keeling PWN, Increased serotonergic responsiveness plays a key role in functional dyspepsia and is not related to Helicobacter pylori infection., Gastroenterology, American Gastroenterological Association, Digestive Disease Week, 2001, 120, (5), 2001, ppA235-Meeting Abstract, 2001
• McNamara DA, Montague SM, Buckley MM, Crotty PA,O'Morain CA, Endoscopy negative reflux: Any role for biopsy?, Gastroenterology, American Gastroenterological Association, Digestive Disease Week , USA, 2000, 118, 2000, ppA1273-Meeting Abstract, 2000
• McNamara DAU, Whelan H, Montague S, O'Morain C , How to cope with failure!, GUT, XIII International Workshop on Gastroduodenal Pathology and Helicobacter pylori., 2000, 47, (1), 2000, ppA109-Meeting Abstract, 2000
• Montague S, McNamara D, Kennedy M, Clohessy A, Buckley M, O'Morain C, Epidemiology of Inflammatory Bowel Disease in an Irish population, GUT, 7th United European Gastroenterology Week, 2000, 46, (2), 2000, ppA10-Meeting Abstract, 2000
• O'Connor A, El-Sherif O, McNamara D, Ryan B, Breslin N, Shearer N, O'Connor H, O'Morain C., 2-sample Faecal Immunological Test based screening is superior to 1-sample screening for the detection of colonic adenomata and neoplasia., GUT, United European Gastroenterology , 2011, 60, (S3), 2011, ppA81-Meeting Abstract, 2011
• Alakarri A, El-Sheriff O, Dobson M, Thornton O, McNamara D., Is focused training adequate or is prior upper and lower gastrointestinal endoscopy experience needed for reliable reporting of capsule endoscopy., Endoscopy, United European Gastroenterology Week, 2011, 43, (SI), 2011, ppA343-Meeting Abstract, 2011
• O'Connor A, Alakkari A, McNamara D, Breslin N, Ryan B, O'Connor H, O'Morain C., Surveillance of gastric intestinal metaplasia leads to the earlier stage diagnosis of gastric adenocarcinoma., Helicobacter, XXIV International Workshop on Helicobacter and related bacteria in chronic digestive inflammation and gastric cancer., 2011, 16, (S1), 2011, ppP01.08-Meeting Abstract, 2011
• Macdonald JC, Ramalingam S, Porter-Ritchie V, Thomson J, Yule S, McNamara D., A prospective comparison of MR enterography and wireless capsule endoscopy for assessment of small bowel Crohn's disease. Interim assessment., Endoscopy, 18th United European Gastroenterology Week, 2010, 42, (Supl I), 2010, ppA277-Meeting Abstract, 2010
• Porter V, Mcdonald J, Mackie B, McNamara D., Accuracy of 13C Mixed Triglyceride Breath Testing for investigation of exocrine pancreatic insufficiency- an audit., GUT, United European Gastroenterology Week, 2010, 59, (SIII), 2010, ppA441-Meeting Abstract, 2010
• McNamara D; Hamilton H; Beattie S, O'Morain C., Duodenal ulcer and GORD: Unmasking the truth., GUT, XII International Workshop on Gastroduodenal Pathology and Helicobacter pylori., 1999, 45, (3), 1999, ppA84-Meeting Abstract, 1999
• McNamara D, Lee J, Deasey E, Cullhane A, O'Morain C., Knowledge and practice of H.pylori: A discrepancy, GUT, 57. XIth International Workshop on Gastroduodenal Pathology and Helicobacter pylori., 1998, 43, (2), 1998, ppA113-Meeting Abstract, 1998
• Whelan H, O'Morain M, McNamara D, O'Morain C., Open access C13 UBT reduces demand on gastroscopy., GUT, XIth International Workshop on Gastroduodenal Pathology and Helicobacter pylori., 1998, 43, (2), 1998, ppA55-Meeting Abstract, 1998
• McKay B, McNamara D, The role of flexible sigmoidoscopy and colonoscopy in acute lower gastrointestinal bleeding., Gastrointestinal Endoscopy, American Gastroenterological Association, Digestive Disease Week, 2008, 67, (5), 2008, ppAB321-Meeting Abstract, 2008
• MacDonald JC, Porter V, McNamara DA., In cases of obscure gastrointestinal bleeding, negative capsule endoscopy predicts good long-term outcome., GUT, British Society of Gastroenterology, UK, 2008, 57, 2008, ppA64-Meeting Abstract, 2008
• O'Riordan JM, Abdel-Latif MM, McNamara D, Ravi N, Kelleher D, Keeling PWN, Reynolds, JV , Cytokine and NF-kappa B profiles in the metaplasia-dysplasia-adenocarcinoma sequence in the oesophagus, British Journal of Surgery, International surgical Congress, UK, 2003, 90, (5), 2003, pp611 - 612Meeting Abstract, 2003
• O'Riordan JM, Abdel-Latif MM, McNamara D, Ras N, Kelleher D, keeling PWN, Reynolds V., Nuclear factor-kappa B activation in Barrett's oesophagus: a marker of disease progression?, British journal of Surgery, International Surgical Congress, UK, 2002, 89, (1), 2002, pp42-Meeting Abstract, 2002
• Arfin QSM, McNamara DA, Dinan T, Keeling PWN., Increased cholinergic responsivity occurs in patients with irritable bowel syndrome., Gastroenterology, American Gastroenterological Association, Digestive disease Week, USA, 2002, 122, (4), 2002, ppA384-Meeting Abstract, 2002
• Montague S, Carney A, McNamara D, Kennedy M, O'Sullivan M, Buckley M, O'Morain C., An audit of anti TNF alpha therapy in Irish Crohn's patients, GUT, United European Gastroenterology Week, Ireland, 2000, 46, (2), 2000, ppA10-Meeting Abstract, 2000
• McNamara D, Mahmud N, Dinan T, Keeling PWN, Increased serotinergic responsivity plays a key role in non ulcer dyspepsia and is not related to H.pylori infection, Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 2001, 120, 2001, ppA235-Meeting Abstract, 2001
• Sharma V.K Howden C.W, Jones D.B, Park I.J.S, Cook M, McNamara D, O'Morain C, Van Zanten S.J.O, Hunt HR, Gangulia S, Festen MPH, Ramage JK., International survey of internal medicine trainees understanding of colorectal cancer screening, Am J Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 1999, 94, 1999, ppA2686-Meeting Abstract, 1999
• McNamara D, Gilvarry J, Buckley M, O'Morain C., Does H.p eradication affect symptoms in non-ulcer dyspepsia: a five year follow up study, GUT, United European Gastroenterology Week, Rome, 45, 1999, ppA3-Meeting Abstract, 1999
• Montague S, McNamara D, Whelan H, Buckley M, O'Morain C, Second line therapy for Helicobacter pylori infection, Irish Journal of Medical Science, Irish Society of Gastroenterology, Ireland, 1999, 168, (2), 1999, ppA13-Meeting Abstract, 1999
• McNamara D, Montague S, Buckley M, O'Morain C, Dyspepsia: An audit of hospital based practice, Irish Journal of Medical Science, Irish Society of Gastroenterology, Ireland, 1999, 168, (2), 1999, ppA13-Meeting Abstract, 1999
• McNamara D, O'Morain C, Can Screening for H.pylori prevent gastric cancer?, The Medical Journal of Malaysia, Malaysian Society of Gastroenterology, Malaysia, 1999, 54, 1999, ppS5-Meeting Abstract, 1999
• McNamara D, Hamilton H, Beattie S, Buckley M, O'Morain C, GERD is a frequent finding in H.pylori induced duodenal ulceration, Gastroenterology, American Gastroenterological Association, Digestive Disease Week, USA, 1999, 116, 1999, ppG1089-Meeting Abstract, 1999
• McNamara D, Crotty P, Buckley M, O'Morain C, Carditis: A marker of GERD or a manifestation of H.pylori infection?, Gastroenterology, American Gastroenterological Association, Digestive disease Week, USA, 1999, 116, 1999, ppG1089-Meeting Abstract, 1999
• Mcnamara D, Beattie S, Hamilton H, O'Morain C, Sub-clinical gastro-oesophageal reflux disease in patients with active H.pylori associated duodenal ulcer, GUT, XI International Workshop on Gastroduodenal Pathology and Helicobacter pylori, Rome, 1998, 43, 1998, ppA100-Meeting Abstract, 1998
• Montague S, Mc Namara D, Forkin C, O'Morain C, Assessment of a clinical questionnaire characterising Crohn's disease, Irish Journal of Medical Science, Irish Society of Gastroenterology, Ireland, 1998, 167, 1998, ppA7-Meeting Abstract, 1998
• McNamara D, Franelli S, Whelan H, Hamilton H, Beattie S, O'Morain C, Helicobacter pylori antigen detection in stool; assessment of a new non invasive diagnostic tool in an Irish population, Irish Journal of Medical Science, Irish Society of Gastroenterology, Ireland, 1998, 167, 1998, ppA10-Meeting Abstract, 1998
• Leen R, Seng-Lee, Mcnamara D., Reduction in sequential FIT positivity and cancer detection rates in the Tallaght-trinity College colorectal cancer screening programme (TTC-CRC-SP) over time., Gastroenterology, American Gastyroenterological Association, USA, May 2012, 142, (5), 2012, ppS156-Meeting Abstract, 2012
• Holleran G, Barry S, Thornton O, Dobson M, McNamara D., Low long term predictive value of SBCE despite high diagnostic yield in Iron deficiency anaemia., Gastroenterology, American Gastroenterological Association, USA, May, 2012, 142, (5), 2012, ppS-807-Meeting Abstract, 2012
• Holleran G, Shearer N, O'Morain C, McNamara D., The high frequency of adenomas detected on screening in older patients warrants the inclusion of this cohort in national programmes., Gastroenterology, American Gastroenterological Association, USA, May, 2012, 142, (5), 2012, ppS-776-Meeting Abstract, 2012
• O'Connor A, Alakkari A, Ryan B, Breslin N, McNamara D, O'Connor HJ, O'Morain C., Age, smoking, male gender and regular aspirin use predict premalignant conditions of the stomach in a low risk gastric cancer prevalence cohort., Gastroenterology, American Gastroenterological Association, USA, May, 2012, 142, (5), 2012, ppS-633-Meeting Abstract, 2012
• Holleran G, Barry S, Thornton O, Dobson M, McNamara D., The use of small bowel capsule endoscopy in iron deficiency anaemia: low impact on outcome in the medium term despite high diagnostic yield., European Journal of Gastroenterology and Hepatology, 25, (3), 2013, p327 - 332Journal Article, 2013, DOI
• Leen R, Thornton O, Dobson M, O'Morain C, McNamara D., Preliminary results of capsule colonoscopy as a filter test prior to standard optical colonoscopy in a FIT positive screening cohort., GUT, United European Gastroenterology Week, Amsterdam, October 2012, 61, 2012, ppA300-Meeting Abstract, 2012
• Lee C.S, Shailesh A, McMahon B, McNamara D, A novel technique for measurement of ileo-ceacal valve function., GUT, United European Gastroenterology Week, Amsterdam, October 2012, 61, 2012, ppA305-Meeting Abstract, 2012
• Leen R, Shearer N, O'Morain C, McNamara D., Faecal M2-Pyruvate kinase in screening for colorectal polyps and cancer, GUT, United European Gastroenterology Week, Amsterdam, October 2012, 61, 2012, ppA181-Meeting Abstract, 2012
• Hussey M, Holleran G, McNamara D., Combined multifocal gastrointestinal stromal tumours and coeliac disease in a patient with Type 1 Neurofibromatosis: Rapid diagnosis employing newer small bowel imaging techniques., Journal of the Royal Society of Medicine Short Reports, 4, 2013, p1 - 4Journal Article, 2013, DOI
• Holleran G, Hussey M, Hall B, Dobson M, Thornton O, McNamara D., Small bowel angiodysplasia and novel disease associations: a cohort study., Scandinavian Journal of Gastroenterology, 48, (4), 2013, p433 - 438Journal Article, 2013, DOI
• Hall B, Holleran G, Costigan D, Thornton O, Dobson M, McNamara D., The impact of wireless capsule endoscopy in suspected Crohn's disease - a longitudinal study, Journal of Crohn's and Colitis, 8th Congress of ECCO - the European Crohn's and Colitis Organisation, Vienna, Austria, Febuary, 2013, 7 (Suppl 1), 2013, ppS62-Meeting Abstract, 2013, DOI
• G. Holleran, B. Hall, M. Hussey, O. Thornton, M. Dobson, D. McNamara, How accurate are capsule endoscopy scoring systems in Crohn's disease?, Journal of Crohn's and Colitis, 8th Congress of ECCO - the European Crohn's and Colitis Organisation, Vienna, Austria, Febuary 2013, 7 (Suppl 1), 2013, ppS103-Meeting Abstract, 2013
• Clostridium difficile Sub-Committee, Health Protection Surveillance Centre, Surveillance, Diagnosis and Management of Clostridium difficile Infection in Ireland, Update of 2008 Guidance, HSE, Health Protection Surveillance Centre, March, 2013Report, 2013
• Alaa Alakkari, Omar El-Sherif, Mark Dobson, Orla Thornton, Deirdre Mc Namara., Is focused training adequate or is prior Endoscopy experience needed for reliable Capsule Endoscopy reporting?, Journal of Gastroenterology and Hepatology Research, 2, (5), 2013, p628 - 631Journal Article, 2013
• O'Connor A, Taneike I, Nami A, Fitzgerald N, Ryan B, Breslin N, O'Connor H, McNamara D, Murphy P, O'Morain C., Helicobacter pylori resistance rates for levofloxacin, tetracycline and rifabutin among Irish isolates at a reference centre., Irish Journal of Medical Science, 182, (4), 2013, p693 - 695Journal Article, 2013
• Tara C. Raftery, Martin Healy, Gerry Cox, Deirdre McNamara, Maria O'Sullivan., Vitamin D Supplementation Improves Muscle Strength, Fatigue and Quality of Life in Patients With Crohn's Disease in Remission: Results of a Randomized Double-Blind Placebo-Controlled Study., Gastroenterology, Digestive Disease Week, USA, May 2013, 144, (S1), 2013, ppS227-Meeting Abstract, 2013, DOI
• Tara C. Raftery, Adrian Martineau, Claire Greiller, Chun Seng Lee, Deirdre McNamara, Subrata Ghosh, Jon Meddings, Maria O'Sullivan., Effects of Vitamin D Supplementation on Intestinal Permeability, Plasma Cathelicidin and Human Beta-Defensin-2 in Crohn's Disease: Results From a Randomised Double-Blind Placebo-Controlled Study. , Gastroenterology, Digestive Disease Week, USA, May 2013, 144, (S1), 2013, ppS226-Meeting Abstract, 2013, DOI
• Tara C. Raftery, Czara Kennedy, Colm A. O'Morain, Deirdre McNamara, Maria O'Sullivan. , Longitudinal Changes in Body Mass Index and Abdominal Obesity in Crohn's Disease - Associations With Inflammatory Markers and Disease Course. , Gastroenterology, Digestive Disease Week, USA, May 2013, 144, (S1), 2013, ppS-126-Meeting Abstract, 2013
• Leen R, Shearer N, O'Morain C, McNamara D, Comparison of Faecal M2-PK and FIT in screening for colonic polyps in an average risk population, GUT, British Society of Gastroenterology, Glasgow, UK, June 2013, 62, (Suppl 1), 2013, ppA30-Meeting Abstract, 2013, DOI
• Alakkari A, Gammell Y, O'Connor H, McNamara D, Breslin N,Ryan B, Audit of the appropriateness of hepatoma surveillance in a cohort of patients attending a dedicated haemachromatosis clinic., GUT, British and Irish Gastroenterology Meeting, April 2013, 62, 2013, ppA67-Meeting Abstract, 2013, DOI
• Hall B, Holleran G, Lawson S, Reagan G, Murphy M, McMahon B, McNamara D., Who nose nasal endoscopy might be best- A pilot feasibility, safety and tolerability comparative study, GUT, British and Irish Gastroenterology Meeting, Belfast, April 2013, 62, 2013, ppA77-Meeting Abstract, 2013, DOI
• Hall B, Holleran G, Flannery C, McNamara D, Clostridium Difficile in IBD: An under diagnosed cause of disease prolapsed? , GUT, British and Irish Gastroenterology Meeting, Belfast, April 2013, 62, (S2), 2013, ppA84-Meeting Abstract, 2013, DOI
• Yang S, Wang B, Humphries F, Jackson R, Healy M, Bergin R, Aviello G, Hall B, McNamara D, Walsh P, Russell S, Hussey S, O'Sullivan M, Darby T, Quinlan A, Shanahan F, Melgar S,Fallon PG, Moynagh P, Pellino3 ubiquitinates RIP2 and mediates NOD2-induced signaling and protective effects in colitis, Nature Immunology, 14, (9), 2013, p927 - 936Journal Article, 2013, DOI , TARA - Full Text
• O'Connor A, McNamara D, O'Morain C, Surveillance of gastric intestinal metaplasia for the prevention of gastric cancer., Cochrane Database of Systematic Reviews, 9, 2013, pCD009322Journal Article, 2013, DOI
• Hall B, Holleran G, Costigan D, McNamara D, Capsule endoscopy: High negative predictive value in the long term despite a low diagnostic yield in patients with suspected Crohn's disease, United European Gastroenterology Journal , 1, (6), 2013, p461 - 466Journal Article, 2013, DOI
• Hall B, Kiely C, Tobin AM, McNamara D, Not such a funny story? , Journal of Crohn's and Colitis, 8, (5), 2014, p439 - 440Journal Article, 2014, DOI
• Leen R, Seng-Lee C, Holleran G, O'Morain C, McNamara D, Comparison of faecal M2-PK and FIT in a population-based bowel cancer screening cohort, European Journal of Gastroenterology and Hepatology, 26, (5), 2014, p514 - 518Journal Article, 2014, DOI
• Holleran G, Leen R, O'Morain C, McNamara D., Colon capsule endoscopy as possible filter test for colonoscopy selection in a screening population with positive fecal immunology, Endoscopy, 46, (06), 2014, p473 - 478Journal Article, 2014, DOI
• Holleran G, Hall B, Alhinai M, Zaheer A, Leen R, Alakkari A, Mahmud N, McNamara D, Double Balloon Enteroscopy in Ireland in the capsule endoscopy era, Irish Journal of Medical Science, 184, 2015, p257 - 262Journal Article, 2015, DOI
• Smith SM, Haider RB, O'Connor H, McNamara D, O'Morain C., Practical treatment of Helicobacter pylori: a balanced view in changing times., European Journal of Gastroenterology & Hepatology, 26, (8), 2014, p819 - 825Journal Article, 2014
• Hall B, Holleran G, McNamara D, Small bowel Crohn's disease: An emerging disease phenotype?, Digestive Diseases, 33, (1), 2015, p42 - 51Journal Article, 2015, DOI
• Holleran G, Hall B, Smith S, McNamara D, Expression of serum angiogenic factors in patients with sporadic small bowel angiodysplasia., Journal of Clinical Gastroenterology, 49, (10), 2015, p831 - 836Journal Article, 2015, DOI
• Hall B, Holleran G, Mahmud N, Smith S, McNamara D, A prospective 12 week mucosal healing assessment of small bowel Crohn's disease as detected by capsule endoscopy, European Journal of Gastroenterology and Hepatology, 26, (11), 2014, p1253 - 1259Journal Article, 2014, DOI
• Smith SM, O'Morain C, McNamara D, Antimicrobial susceptibility testing for Helicobacter pylori in times of increasing antibiotic resistance, World Journal of Gastroenterology, 20, (29), 2014, p9912 - 9921Journal Article, 2014, DOI
• McNamara D, Leen R, Seng-Lee C, Shearer N, Crotty P, Neary P, Walsh P, Boran G, O'Morain C, Sustained participation, colonoscopy uptake and adenoma detection rates over two rounds of the Tallaght-Trinity College Colorectal Cancer Screening Programme with Faecal Immunological Test, European Journal of Gastroenterology and Hepatology, 26, 2014, p1415 - 1421Journal Article, 2014, DOI
• Hall B, Grainne Holleran G, Chin JL,Smith S, Ryan B, Mahmud N, McNamara D., A prospective 52 week mucosal healing assessment of small bowel Crohn's disease as detected by capsule endoscopy., Journal of Crohn's and Colitis, 8, (12), 2014, p1601 - 1609Journal Article, 2014, DOI
• Hall B, Holleran G, McNamara D, Current applications and potential future role of wireless capsule technology in Crohn's disease., Scandinavian Journal of Gastroenterology, 49, (11), 2014, p1275 - 1284Journal Article, 2014, DOI

Gastroenterology & Hepatology, Immunity and Infection (including Rheumatology & Inflammatory disease),

• European Crohn's and Colitis Fellowship Award 2016
• European Society of Gastrointestinal Endoscopy Mentor Award 2023
• Meath Foundation & Adelaide Society O"Morain Research Award 2012, 2013, 2017, 2018, 2020, 2021
• NCI Summer Curriculum in Cancer Prevention Scholarship, National Cancer Institute/Health Research Board 2003
• European Society of Gastrointestinal Endoscopy (ESGE) Research Award 2012
• Abstract Prizes Irish Society of Gastroenterology 2010, 11, 13,14,15,17, 19, 20, 21 & 22
• Deutscher Akademischer Austausch Dienst Scholarship, German Federal Ministry of Education and Research 2002
• Abstract Prizes United European Gastroenterology Federation (UEGW) 2011, 2019
• Distinction Award, American Gastroenterological Association 2001, 2013, 2015
• United European Gastroenterology Federation National Scholar Award 2012, 2013, 2017, 2018, 2019, 2020
• Most Cited Articles Award Science Direct Publishing Group 2008

• Irish Society of Gastroenterology to date
• Fellow Royal College Physicians of Edinburgh
• European Society of Gastrointestinal Endoscopy (ESGE)
• European Crohn's and Colitis Organisation 2020
• Fellow Royal College of Physicians of Ireland

• SJH/TUH Joint Research Ethics Committee Member 2012- 2015
• Associate Editor United European Gastroenterology Journal 2018- 2022
• Treasurer Medical Board Tallaght University Hospital 2014-2017
• Board Member Irish Society of Gastroenterology 2214- 2023
• National Endoscopy Training Committee (RCPI / RCSI) 2018- to date
• United European Gastroenterology National Societies Forum, Irish Representative 2015- to date
• European Society of Gastrointestinal Endoscopy Quality Improvement Committee 2014- to date
• Chair National IBD Transition Group 2014-2015
• European Society of Gastrointestinal Endoscopy National Representative 2023
• United European Gastroenterology Federation Meeting of Members (Council) 2015- 2018
• Netherlands Organisation for Scientific Research (NWO), Grant Peer Reviewer Dutch Digestive Foundation, Grant Peer Reviewer 2017
• SATC Centre, Odense University Hospital, Svenborg, Denmark, Senior Consultant 2017- to date
• Associate Editor Frontiers in Gastroenterology 2022- to date
• Chair Irish Helicobacter pylori Working Group 2016- to date
• ESGE -ESGAR CT-CCE Guideline Committee 2019- 2021
• President Irish Society of Gastroenterology 2021-2023
• National Capsule Endoscopy Clinical Advisory Group 2022- to date
• Chair Gastroenterology Clinical Programme 2021-2023