Colm O’Moráin

2.5k total citations · 2 hit papers
33 papers, 1.7k citations indexed

About

Colm O’Moráin is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Immunology. According to data from OpenAlex, Colm O’Moráin has authored 33 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Surgery, 14 papers in Pulmonary and Respiratory Medicine and 5 papers in Immunology. Recurrent topics in Colm O’Moráin's work include Helicobacter pylori-related gastroenterology studies (19 papers), Gastric Cancer Management and Outcomes (12 papers) and Eosinophilic Esophagitis (11 papers). Colm O’Moráin is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (19 papers), Gastric Cancer Management and Outcomes (12 papers) and Eosinophilic Esophagitis (11 papers). Colm O’Moráin collaborates with scholars based in Ireland, Spain and France. Colm O’Moráin's co-authors include C. T. Keane, Gerry Coghlan, D. J. McKenna, D. Rourke Gilligan, Cornelius P. Dooley, E. Sweeney, H. Humphries, Françis Mégraud, Peter Malfertheiner and Dino Vaira and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and Gastroenterology.

In The Last Decade

Colm O’Moráin

32 papers receiving 1.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

CAMPYLOBACTER PYLORI AND RECURRENCE OF DUODENAL ULCERS— A 12-MONTH FOLLOW-UP STUDY

1987 417 citations Gerry Coghlan, H. Humphries et al. The Lancet profile →
Global Prevalence of Helicobacter pylori Infection and Incidence of Gastric Cancer Between 1980 and 2022

2024 195 citations Yi‐Chu Chen, Peter Malfertheiner et al. Gastroenterology profile →

Peers

Countries citing papers authored by Colm O’Moráin

Since Specialization

Citations

This map shows the geographic impact of Colm O’Moráin's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Colm O’Moráin with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Colm O’Moráin more than expected).

Fields of papers citing papers by Colm O’Moráin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Colm O’Moráin. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Colm O’Moráin. The network helps show where Colm O’Moráin may publish in the future.

Co-authorship network of co-authors of Colm O’Moráin

This figure shows the co-authorship network connecting the top 25 collaborators of Colm O’Moráin. A scholar is included among the top collaborators of Colm O’Moráin based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Colm O’Moráin. Colm O’Moráin is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Global Prevalence of Helicobacter pylori Infection and Incidence of Gastric Cancer Between 1980 and 2022 breakdown → 2024 ·Gastroenterology ·Yi‐Chu Chen, Peter Malfertheiner, (unknown), Chih-Lin Kuo, (unknown), (unknown), (unknown), (unknown), Mei‐Jyh Chen, Kun‐Pei Lin, Chun‐Ying Wu, Jaw‐Town Lin, Colm O’Moráin, Françis Mégraud, Wen‐Chung Lee, Emad El‐Omar, Ming‐Shiang Wu, Jyh‐Ming Liou	195
2	The role of rifaximin in irritable bowel syndrome derived from a network meta-analysis of randomized control trials 2020 ·SHILAP Revista de lepidopterología ·Theodoros Rokkas, (unknown), Javier P. Gisbert, Francesco Franceschi, Antonio Gasbarrini, Georgina L. Hold, Colm O’Moráin, Peter Malfertheiner, Françis Mégraud	4
3	Can bacterial virulence factors predict antibiotic resistant Helicobacter pylori infection? 2018 ·World Journal of Gastroenterology ·Denise Brennan, (unknown), Colm O’Moráin, Deirdre McNamara, Sinéad M. Smith	22
4	Vitamin D Status and Cytokine Levels in Patients with Crohns Disease 2011 ·International Journal for Vitamin and Nutrition Research ·Patrick J. Kelly, (unknown), Colm O’Moráin, Maria OʼSullivan	29
5	A changing trend in the management of patients with newly diagnosed Crohn’s disease 2011 ·Irish Journal of Medical Science (1971 -) ·A Qasim, (unknown), P. Crotty, Niall Swan, Niall Breslin, Barbara M. Ryan, W C Torreggiani, (unknown), Paul Neary, H J O’Connor, Colm O’Moráin	0
6	A case of achalasia diagnosed first on capsule endoscopy: find that hard to swallow? 2010 ·European Journal of Gastroenterology & Hepatology ·Orlaith Kelly, (unknown), Colm O’Moráin	1
7	The prevalence of genetic and serologic markers in an unselected European population-based cohort of IBD patients 2006 ·Inflammatory Bowel Diseases ·Lene Riis, Ida Vind, Séverine Vermeire, Frank J. Wolters, (unknown), Pierluigi Politi, João Freitas, Ioannis Mouzas, Colm O’Moráin, (unknown), Selwyn Odes, Vibeke Binder, Pia Munkholm, (unknown), Reinhold W. Stockbrügger, Ebbe Langholz	64
8	Colorectal Adenoma Characteristics as Predictors of Recurrence 2004 ·Diseases of the Colon & Rectum ·Claire Bonithon‐Kopp, F Piard, C. Fenger, Elena Cabeza, Colm O’Moráin, O Kronbörg, Jean Faivre	113
9	Noninvasive antigen-based assay for assessing Helicobacter pylori eradication: a European multicenter study 2000 ·The American Journal of Gastroenterology ·Dino Vaira, Peter Malfertheiner, Françis Mégraud, Anthony Axon, M. Deltenre, Antonio Gasbarrini, Colm O’Moráin, José María Pajares García, M Quina, Guido N.J. Tytgat	87
10	Diagnosis of Helicobacter pylori infection with a new non-in vasive antigen-based assay 1999 ·The Lancet ·Dino Vaira, Peter Malfertheiner, Françis Mégraud, Anthony Axon, M. Deltenre, Alexander M. Hirschl, Antonio Gasbarrini, Colm O’Moráin, José María Pajares García, M Quina, Guido N.J. Tytgat	296
11	Barrett's Esophagus and the Presence of Helicobacter pylori 1998 ·The American Journal of Gastroenterology ·(unknown), Robert C. Stuart, Niamh Nolan, T. F. Gorey, T. P. J. Hennessy, Colm O’Moráin	45
12	Recurrence of Helicobacter pylori Infection After Successful Eradication (Nature and Possible Causes) 1997 ·Digestive Diseases and Sciences ·(unknown), (unknown), C. T. Keane, Colm O’Moráin	81
13	Duodeno-jejunal adenocarcinoma as a first presentation of coeliac disease. 1996 ·Journal of Clinical Pathology ·Daniel J. MacGowan, D. O’B. Hourihane, W. A. Tanner, Colm O’Moráin	16
14	Long-term prospective study ofHelicobacter pylori in nonulcer dyspepsia 1995 ·Digestive Diseases and Sciences ·Conor McCarthy, Stephen Patchett, (unknown), S. Beattie, Conor T. Keane, Colm O’Moráin	119
15	Helicobacter pylori and gastric cancer 1995 ·European Journal of Cancer Prevention ·Martin Buckley, Colm O’Moráin	25
16	Helicobacter pylori Infection 1994 ·Drugs & Aging ·Martin Buckley, Paul Martin, Colm O’Moráin	9
17	Effects of selenium and vitamin C on colonic crypt cell proliferation 1993 ·European Journal of Cancer Prevention ·Rachel Cahill, Kathryn O’Sullivan, S. Beattie, H. Hamilton, Colm O’Moráin	3
18	The ECP calcium fibre polyp prevention study prelimnary report 1993 ·European Journal of Cancer Prevention ·Jean Faivre, M C Boutron, F Doyon, Massimo Pignatelli, O Kronbörg, (unknown), (unknown), Enric Benito, Colm O’Moráin	11
19	The effect of colonic site of biopsy on cell proliferation profiles using BRDU incorporation as a measure of cell proliferation 1992 ·European Journal of Cancer Prevention ·(unknown), Paul M. Mathias, S. Beattie, Colm O’Moráin	4
20	CAMPYLOBACTER PYLORI AND RECURRENCE OF DUODENAL ULCERS— A 12-MONTH FOLLOW-UP STUDY breakdown → 1987 ·The Lancet ·Gerry Coghlan, H. Humphries, Cornelius P. Dooley, C. T. Keane, D. Rourke Gilligan, D. J. McKenna, E. Sweeney, Colm O’Moráin	417

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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