Thomas D. Walters

21.2k citations

117 papers · 5.5k · 2 hit papers · h-index 35

Impact in

Genetics top 0.2%
- Inflammatory Bowel Disease
Epidemiology top 2%
- Microscopic Colitis

Papers in

Genetics 68
- Inflammatory Bowel Disease 68
Surgery 22
- Helicobacter pylori-related gastroenterology studies 7

Co-authors: Anne M. Griffiths (77 shared papers)Dan Turner (26 shared papers)Jeffrey S. Hyams (16 shared papers)James Markowitz (8 shared papers)Anthony Otley (21 shared papers)Arie Levine (7 shared papers)Mary Sherlock (13 shared papers)Frank M. Ruemmele (10 shared papers)
Journals: Inflammatory Bowel Diseases (16 papers)Journal of Pediatric Gastroenterology and Nutrition (14 papers)Gastroenterology (13 papers)Journal of Crohn s and Colitis (9 papers)Gastrointestinal Endoscopy (5 papers)
Partner nations: Canada United States Israel

In The Last Decade

Thomas D. Walters

113 papers receiving 5.4k citations

Thomas D. Walters's Hit Papers

align trajectories log scale

Pediatric modification of the Montreal classification for inflammatory bowel disease 2010 · 1.1k citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2010 Inflammatory Bowel Diseases
2007 Gastroenterology

Peers

Countries citing papers authored by Thomas D. Walters

Since Specialization

Citations

This map shows the geographic impact of Thomas D. Walters'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 Thomas D. Walters with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Thomas D. Walters more than expected).

Fields of papers citing papers by Thomas D. Walters

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thomas D. Walters. 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 Thomas D. Walters. The network helps show where Thomas D. Walters may publish in the future.

Co-authors

The 25 scholars most cited alongside Thomas D. Walters, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Thomas D. Walters Line = papers co-authored together Thomas D. Walters links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 117 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Pediatric modification of the Montreal classification for inflammatory bowel disease Inflammatory Bowel Diseases ·Arie Levine, Anne M. Griffiths, James Markowitz, (unknown), Dan Turner, Richard K. Russell, John Fell, Frank M. Ruemmele, Thomas D. Walters, Mary Sherlock, Marla Dubinsky, Jeffrey S. Hyams Hit paper breakdown →	2010	1073
2	Development, Validation, and Evaluation of a Pediatric Ulcerative Colitis Activity Index: A Prospective Multicenter Study Gastroenterology ·Dan Turner, Anthony Otley, David R. Mack, Jeffrey S. Hyams, Joep de Bruijne, Krista Uusoue, Thomas D. Walters, Mary Zachos, Petar Mamula, Dorcas Beaton, A. Hillary Steinhart, Anne M. Griffiths Hit paper breakdown →	2007	796
3	Mathematical weighting of the pediatric Crohnʼs disease activity index (PCDAI) and comparison with its other short versions Inflammatory Bowel Diseases ·Dan Turner, Anne M. Griffiths, Thomas D. Walters, T J X Seah, James Markowitz, Marian Pfefferkorn, David J. Keljo, Jacob Waxman, Anthony Otley, Neal S. LeLeiko, David Mack, Jeffrey S. Hyams, Arie Levine	2011	216
4	IL-10R Polymorphisms Are Associated with Very-early-onset Ulcerative Colitis Inflammatory Bowel Diseases ·Christopher J. Moran, Thomas D. Walters, Conghui Guo, Subra Kugathasan, Christoph Klein, Dan Turner, Victorien M. Wolters, Robert Bandsma, Marialena Mouzaki, Mary Zachos, Jacob C. Langer, Ernest Cutz, Susanne M. Benseler, Chaim M. Roifman, Mark S. Silverberg, Anne M. Griffiths, Scott B. Snapper, Aleixo M. Muise	2012	174
5	Severe Pediatric Ulcerative Colitis: A Prospective Multicenter Study of Outcomes and Predictors of Response Gastroenterology ·Dan Turner, David R. Mack, Neal S. LeLeiko, Thomas D. Walters, Krista Uusoue, Steven T. Leach, Andrew S. Day, Wallace Crandall, Mark S. Silverberg, James Markowitz, Anthony Otley, David J. Keljo, Petar Mamula, Subra Kugathasan, Jeffrey S. Hyams, Anne M. Griffiths	2010	171
6	Guidelines for the management of growth failure in childhood inflammatory bowel disease Inflammatory Bowel Diseases ·Robert Heuschkel, Camilla Salvestrini, R Mark Beattie, Hans Hildebrand, Thomas D. Walters, Anne M. Griffiths	2008	169
7	Quantification of carotid stenosis on CT angiography. American Journal of Neuroradiology ·Eric Bartlett, Thomas D. Walters, Sean Symons, Allan J. Fox	2006	142
8	Appraisal of the Pediatric Crohn's Disease Activity Index on Four Prospectively Collected Datasets: Recommended Cutoff Values and Clinimetric Properties The American Journal of Gastroenterology ·Dan Turner, Anne M. Griffiths, Thomas D. Walters, T J X Seah, James Markowitz, Marian Pfefferkorn, David J. Keljo, Anthony Otley, Neal S. LeLeiko, David Mack, Jeffrey S. Hyams, Arie Levine	2010	120
9	Severe paediatric ulcerative colitis: incidence, outcomes and optimal timing for second-line therapy Gut ·Dan Turner, Catharine M. Walsh, Eric I. Benchimol, Erika Mann, Karen E. Thomas, Chi-Ming Chow, Robin McLernon, Thomas D. Walters, J. D. Swales, A. Hillary Steinhart, Anne M. Griffiths	2007	114
10	Linear Growth Improves during Infliximab Therapy in Children with Chronically Active Severe Crohnʼs Disease Inflammatory Bowel Diseases ·Thomas D. Walters, Ashley Gilman, Anne M. Griffiths	2006	110
11	Mechanisms of growth impairment in pediatric Crohn's disease Nature Reviews Gastroenterology & Hepatology ·Thomas D. Walters, Anne M. Griffiths	2009	107
12	Faecal calprotectin, lactoferrin, M2-pyruvate kinase and S100A12 in severe ulcerative colitis: a prospective multicentre comparison of predicting outcomes and monitoring response Gut ·Dan Turner, Steven T. Leach, David R. Mack, Krista Uusoue, Robin McLernon, Jeffrey S. Hyams, Neal S. LeLeiko, Thomas D. Walters, Wallace Crandall, James Markowitz, Anthony Otley, Anne M. Griffiths, Andrew S. Day	2010	103
13	Associations Among Mucosal and Transmural Healing and Fecal Level of Calprotectin in Children With Crohn’s Disease Clinical Gastroenterology and Hepatology ·Inbar Weinstein-Nakar, Gili Focht, Peter Church, Thomas D. Walters, Guila Abitbol, Sudha A. Anupindi, Laureline Berteloot, Jessie M. Hulst, Frank M. Ruemmele, Daniel A. Lemberg, Steven T. Leach, Ruth Cytter, Mary‐Louise C. Greer, Anne M. Griffiths, Dan Turner	2018	103
14	Variants in Nicotinamide Adenine Dinucleotide Phosphate Oxidase Complex Components Determine Susceptibility to Very Early Onset Inflammatory Bowel Disease Gastroenterology ·(unknown), Ramzi Fattouh, Abdul Elkadri, Wei Xu, Ryan Murchie, Thomas D. Walters, Conghui Guo, David R. Mack, Hien Q. Huynh, Shairaz Baksh, Mark S. Silverberg, Anne M. Griffiths, Scott B. Snapper, John H. Brumell, Aleixo M. Muise	2014	88
15	Assessment of knowledge in adolescents with inflammatory bowel disease using a novel transition tool Inflammatory Bowel Diseases ·Eric I. Benchimol, Thomas D. Walters, Miriam Kaufman, Karen Frost, Karoline Fiedler, Zenaida Chinea, Mary Zachos	2010	87
16	Review article: a clinician's guide for therapeutic drug monitoring of infliximab in inflammatory bowel disease Alimentary Pharmacology & Therapeutics ·Reena Khanna, Bernie D. Sattin, Waqqas Afif, Eric I. Benchimol, Edmond Jean Bernard, Alain Bitton, Brian Bressler, Richard N. Fedorak, Subrata Ghosh, Gordon R. Greenberg, John K. Marshall, Remo Panaccione, Ernest G. Seidman, Mark S. Silverberg, A. Hillary Steinhart, Richmond Sy, Gert Van Assche, Thomas D. Walters, William J. Sandborn, Brian G. Feagan	2013	87
17	Primary Prophylaxis of Variceal Hemorrhage in Children With Portal Hypertension: A Framework for Future Research Journal of Pediatric Gastroenterology and Nutrition ·Simon C. Ling, Thomas D. Walters, Patrick McKiernan, Kathleen B. Schwarz, Guadalupe García‐Tsao, Benjamin L. Shneider	2011	82
18	Safety and efficacy of maintenance infliximab therapy for moderate-to-severe Crohn’s disease in children: REACH open-label extension Current Medical Research and Opinion ·Jeffrey S. Hyams, Thomas D. Walters, Wallace Crandall, Subra Kugathasan, Anne M. Griffiths, Marion Blank, Jewel Johanns, Yinghua Lang, James Markowitz, Stanley A. Cohen, Harland S. Winter, G. Veereman‐Wauters, George D. Ferry, Robert N. Baldassano	2011	79
19	Which PCDAI Version Best Reflects Intestinal Inflammation in Pediatric Crohn Disease? Journal of Pediatric Gastroenterology and Nutrition ·Dan Turner, Arie Levine, Thomas D. Walters, Gili Focht, Anthony Otley, Victor Navas López, Sibylle Koletzko, Robert N. Baldassano, David Mack, Jeffrey S. Hyams, Anne M. Griffiths	2016	72
20	Higher Activity of the Inducible Nitric Oxide Synthase Contributes to Very Early Onset Inflammatory Bowel Disease Clinical and Translational Gastroenterology ·(unknown), Lucas A. Mastropaolo, Ryan Murchie, Christopher Griffiths, Cornelia Thöni, Abdul Elkadri, Wei Xu, A.H. Mack, Thomas D. Walters, Conghui Guo, David R. Mack, Hien Q. Huynh, Shairaz Baksh, Mark S. Silverberg, John H. Brumell, Scott B. Snapper, Aleixo M. Muise	2014	69

About Thomas D. Walters

Thomas D. Walters is a scholar working on Genetics, Surgery, Epidemiology, Immunology and Pulmonary and Respiratory Medicine, having authored 117 papers that have together received 5.5k indexed citations. Recurring topics across this work include Inflammatory Bowel Disease (68 papers), Microscopic Colitis (12 papers), Adolescent and Pediatric Healthcare (8 papers), Helicobacter pylori-related gastroenterology studies (7 papers), Autoimmune and Inflammatory Disorders Research (6 papers), Cerebrovascular and Carotid Artery Diseases (5 papers), Liver Diseases and Immunity (5 papers) and Immunodeficiency and Autoimmune Disorders (4 papers). The work is most often cited by research in Genetics (3.3k citations), Epidemiology (1.1k citations), Speech and Hearing (201 citations), Gastroenterology (158 citations) and Hepatology (211 citations). Thomas D. Walters has collaborated with scholars based in Canada, United States and Israel. Frequent co-authors include Anne M. Griffiths, Dan Turner, Jeffrey S. Hyams, James Markowitz, Anthony Otley, Arie Levine, Mary Sherlock, Frank M. Ruemmele, Mary Zachos and David R. Mack. Their work appears in journals such as Inflammatory Bowel Diseases, Journal of Pediatric Gastroenterology and Nutrition, Gastroenterology, Journal of Crohn s and Colitis and Gastrointestinal Endoscopy.

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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Thomas D. Walters

Thomas D. Walters's Hit Papers

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