Facebook Pixel Code
About Sickkids
About SickKids

Catharine Walsh, MD, MEd, PhD, FAAP, FRCPC

The Hospital for Sick Children
Staff Gastroenterologist
Gastroenterology, Hepatology and Nutrition

Research Institute
Scientist-Track Investigator
Child Health Evaluative Sciences

Learning Institute
Educational Researcher
Learning Institute

University of Toronto
Assistant Professor
Department of Paediatrics, Faculty of Medicine

Institute of Health Policy, Management and Evaluation
Assistant Professor (status only)

Cross-appointed scientist
The Wilson Centre for Research in Education

Phone: 416-813-7654 (x309432)
Fax: 416-813-6531
Email: catharine.walsh@sickkids.ca
Alternate Contact: Natasha Naraidoo
Alternate Phone: 416-813-8757
Alternate Email: natasha.naraidoo@sickkids.ca

Brief Biography

Dr. Catharine Walsh is a staff gastroenterologist in the Division of Gastroenterology, Hepatology and Nutrition, an Educational Researcher in the Learning Institute and a Scientist-Track Investigator in Child Health Evaluative Sciences at The Hospital for Sick Children (SickKids) in Toronto.  Dr. Walsh graduated from the University of Toronto, Faculty of Medicine in 2003 and completed her residency in Paediatrics (2006) and fellowship in Paediatric Gastroenterology (2009) at SickKids.  In 2010, she received her Master of Education (Health Professions Education Specialization) from the Ontario Institute for Studies in Education, University of Toronto.  Dr. Walsh then went on to complete her PhD in health professions education through the Institute of Medical Science (2014) in conjunction with a research fellowship at the Wilson Centre for Research in Education and The Hospital for Sick Children.

Clinical Interests

  • Paediatric Gastroenterology
  • Celiac Disease
  • Endoscopy

Research Interests

  • Health Professions Education
  • Simulation-based Education
  • E-learning
  • Assessment

Research Activities

Dr. Catharine Walsh’s program of research focuses on examining factors that influence the acquisition of complex clinical skills, behaviours and attitudes, including methods of optimizing learning within simulation-based environments.  Dr. Walsh also conducts educational measurement research focused on the assessment of competence and performance of health professionals.


For a complete list of publications, please click here

Scaffidi M, Grover SC, Carnahan H, Yu JJ, Yong E, Nguyen GC, Ling SC, Khanna N, Walsh CM.  A prospective comparison of live and video-based assessments of colonoscopy performance. Gastrointestinal Endoscopy. 2017 Aug 28. pii: S0016-5107(17)32202-2. doi: 10.1016/j.gie.2017.08.020. [Epub ahead of print]

Grover SC, Scaffidi MA, Khan R, Garg A, Al-Mazroui A, Alomani T, Yu JJ, Plener IS, Al-Awamy M, Yong EL, Cino M, Ravindran NC, Zasowski M, Grantcharov TP, Walsh CM.  Progressive learning in endoscopy simulation training improves clinical performance: A blinded randomized trial. Gastrointestinal Endoscopy. 2017 Mar 30. pii: S0016-5107(17)31718-2. doi: 10.1016/j.gie.2017.03.1529. [Epub ahead of print].

Khan R, Scaffidi MA, Walsh CM, Lin P, Al-Mazroui A, Chana B, Kalaichandran R, Lee W, Grantcharov TP, Grover SC. Simulation-based training of non-technical skills in colonoscopy: Protocol for a randomized controlled trial. JMIR Research Protocols. 2107;4;6(8):e153. doi: 10.2196/resprot.7690.

Kramer R, Walsh CM, Lerner D, Fishman M.  Quality improvement in pediatric endoscopy: A clinical report from the NASPGHAN Endoscopy Committee. Journal of Pediatric Gastroenterology and Nutrition. 2017;65(1):125-31.

Walsh CM, Anderson JT, Fishman DS. An evidence-based approach to training pediatric gastrointestinal endoscopy trainers.  Journal of Pediatric Gastroenterology and Nutrition. 2017;64(4):501-504. doi: 10.1097/MPG.0000000000001473.

Friedlander JA, Liu QY, Sahn B, Kooros K, Walsh CM, Kramer RE, Lightdale JR, Khlevner J, McOmber M, Kurowski J, Giefer MJ, Pall H, Troendle DM, Utterson EC, Brill H, Zacur GM, Lirio RA, Lerner DG, Reynolds C, Gibbons TE, Wilsey M, Liacouras CA, Fishman DS. NASPGHAN Capsule Endoscopy Clinical Report. Journal of Pediatric Gastroenterology and Nutrition. 2017;64(3):485-494. doi: 10.1097/MPG.0000000000001413.

Walsh CM, Garg A, Ng SL, Goyal F, and Grover SC. Residents’ narrow perceptions of simulation as a clinical learning approach for foundational technical training. Canadian Journal of Medical Education. 2017;8(1):e76-e87.

Ruco A, Walsh CM, Cooper MA, Rabeneck L. Training non-physicians to do endoscopy: feasibility, effectiveness and cost-effectiveness. Best Practice & Research Clinical Gastroenterology. 2016;30(3):389-96. doi: 10.1016/j.bpg.2016.04.006.

Walsh CM. In-training gastrointestinal endoscopy competency assessment tools: types of tools, validation and impact. Best Practice & Research Clinical Gastroenterology. 2016;30(2): 357-74. doi: 10.1016/j.bpg.2016.04.001.

Walsh CM. Training and assessment in pediatric endoscopy. Gastrointestinal Endoscopy Clinics of North America. 2016;26(1):13-33. doi: 10.1016/j.giec.2015.08.002.

Grover SC, Garg A, Scaffidi MA, Yu JJ, Plener IS, Yong E, Cino M, Grantcharov TP, Walsh CM. Impact of a simulation training curriculum on technical and nontechnical skills in colonoscopy: a randomized trial. Gastrointestinal Endoscopy. 2015;82(6):1072-1079. doi: 10.1016/j.gie.2015.04.008.

Walsh CM, Ling SC, Khanna N, Grover SC, Yu JJ, Cooper MA, Yong E, May G, Walters TD, Reznick R, Rabeneck L, Carnahan H. Gastrointestinal Endoscopy Competency Assessment Tool: Reliability and validity evidence.  Gastrointestinal Endoscopy. 2015;81(6):1417-1424. doi: 10.1016/j.gie.2014.11.030.

Walsh CM, Ling SC, Mamula P, Lightdale JR, Yu JJ, Walters TD, Carnahan H. The Gastrointestinal Endoscopy Competency Assessment Tool for Pediatric Colonoscopy. Journal of Pediatric Gastroenterology and Nutrition. 2015;60(4):474-480. doi: 10.1097/MPG.0000000000000686.

Cooper MA, Tinmouth J, Yong E, Walsh CM, Carnahan H, Grover SC, Ritvo P.  Surgical residents' perceptions on learning gastrointestinal endoscopy: More hours and more standardization wanted. Journal of Surgical Education. 2014;71(6):899-905. doi: 10.1016/j.jsurg.2014.05.016.

Walsh CM, Ling SC, Walters TD, Mamula P, Lightdale JR, Carnahan H. Development of the Gastrointestinal Endoscopy Competency Assessment Tool for Pediatric Colonoscopy (GiECAT KIDS). Journal of Pediatric Gastroenterology and Nutrition. 2014;59(4):480-486. doi:10.1097/MPG.0000000000000358.

Walsh CM.  Assessment of competence in pediatric gastrointestinal endoscopy. Current Gastroenterology Reports. 2014;16(8):401. doi: 10.1007/s11894-014-0401-5.

Walsh CM, Ling SC, Khanna N, Cooper MA, Grover SC, May G, Walters TD, Rabeneck L, Reznick R, Carnahan H. Gastrointestinal Endoscopy Competency Assessment Tool: Development of a procedure-specific assessment tool for colonoscopy.  Gastrointestinal Endoscopy. 2014;79(5):798-807.e5. doi: 10.1016/j.gie.2013.10.035.

Walsh CM, Fung M, Ginsburg S. Publication of results of abstracts presented at medical education conferences. Journal of the American Medical Association. 2013;310(21):2307-2309. doi:10.1001/jama.2013.281671.

Walsh CM, Hagemann E, Dubrowski A, Carnahan H. Proficiency attained at the end of practice best predicts retention performance: Support for a competency-based approach to procedural skills training. Procedia Social and Behavioral Sciences. 2013;93:371-375.  

Forget S, Walsh C.  Pediatric endoscopy: Need for a tailored approach to quality and safety indicators.  Canadian Journal of Gastroenterology. 2012;26(10):735.

Walsh CM, Sherlock ME, Ling SC, Carnahan H. Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy. Cochrane Database of Systematic Reviews. 2012; Issue 6: Art. No. CD008237. doi: 10.1002/14651858.CD008237.pub2.

Carnahan H, Dubrowski A, Walsh C, Williams C.  Where is the learner in ergonomics? Journal of Ergonomics. 2012;2(1):e108.

Walsh CM, Rose D, Dubrowski A, Ling SC, Grierson LEM, Backstein D, Carnahan H.  Learning in the simulated setting: a comparison of expert-, peer- and computer-assisted learning.  Academic Medicine. 2011;86(10 Suppl):S12-16.

Carnahan H, Dubrowski A, Walsh CM.  Medical education research: the importance of research design and a programmatic approach.  Medical Education. 2010;44(12):1161-1163.

Walsh CM, Ling SC, Wang CS, Carnahan H. Concurrent versus terminal feedback: It may be better to wait. Academic Medicine. 2009;84(10 Suppl):S54-S57. doi: 10.1097/ACM.0b013e3181b38daf.

Turner D, Walsh CM, Benchimol EI, Mann EH, Thomas KE, Chow C, McLernon RA, Walters TD, Swales J, Steinhart AH, Griffiths AM. Severe paediatric ulcerative colitis: incidence, outcomes and optimal timing for second line therapy. Gut 2008;57(3):331-338.

Turner D, Walsh CM, Steinhart AH, Griffiths AM.  Response to corticosteroids in severe ulcerative colitis: a systematic review of the literature and a meta-regression.  Clinical Gastroenterology and Hepatology. 2007;5(1):103-110.