Jeffrey D. Mosko

MD, MSc, FRCPC

Investigator

Biography

Dr. Jeffrey Mosko is a Clinician in Quality and Innovation (CQI) in the Division of Gastroenterology at St. Michael’s Hospital and an Assistant Professor of Medicine in in the Department of Medicine at the University of Toronto. He serves as the gastroenterology divisional director of postgraduate education at St. Michael’s Hospital. He graduated with a BSc and then MD from the University of Western Ontario. He completed his internal medicine and general gastroenterology training at the University of Toronto. He then completed his fellowship training in advanced endoscopy at Beth Israel Deaconess Medical Center and Harvard Medical School in Boston, Massachusetts and has been on staff at St. Michael’s Hospital in Toronto since that time. He completed an MSc in Quality Improvement and Patient Safety at the Institute of Health Policy, Management and Evaluation at the University of Toronto and continues to teach in the MSc program there. He serves as a co-director of the advanced endoscopy fellowship at St. Michael’s Hospital and the International Course on Therapeutic Endoscopy.

Dr. Mosko’s research is in quality improvement in endoscopy. He has led local initiatives to improve sedation for advanced endoscopic procedures, management of acute pancreatitis and the patient experience in endoscopy, among others. He is leading provincial/national initiatives to improve access to endoscopic ultrasound, colonoscopy skills and polypectomy technique. Finally, he is collaborating on an international scale to translate best practices to meaningful quality measures.

Recent Publications

  1. Fujiyoshi, Y, Khalaf, K, Tham, D, Fujiyoshi, MRA, Calo, NC, Mosko, JD et al.. Recurrence following successful eradication of neoplasia with endoscopic mucosal resection compared with endoscopic submucosal dissection in Barrett's esophagus: a retrospective comparison. Endoscopy. 2024; :. doi: 10.1055/a-2382-5891. PubMed PMID:39227019 .
  2. Gupta, S, Mandarino, FV, Shahidi, N, Hourigan, LF, Messmann, H, Wallace, MB et al.. Can optical evaluation distinguish between t1a and t1b esophageal adenocarcinoma: an international expert inter-observer agreement study. Endoscopy. 2024; :. doi: 10.1055/a-2399-1401. PubMed PMID:39168143 .
  3. Gupta, S, Chis, R, Mosko, JD, Teshima, C. Dual-sided closure of an iatrogenic gastrocolonic fistula with over-the-scope clips. Endoscopy. 2024;56 (S 01):E609-E610. doi: 10.1055/a-2351-2909. PubMed PMID:39009019 PubMed Central PMC11250258.
  4. Gupta, S, He, T, Mosko, JD, May, G, Teshima, C. Salvage circumferential endoscopic submucosal dissection of multifocal Barrett's adenocarcinoma at an esophagogastric anastomosis. Endoscopy. 2024;56 (S 01):E607-E608. doi: 10.1055/a-2351-2748. PubMed PMID:39009018 PubMed Central PMC11250180.
  5. Guardiola, JJ, Rex, DK, Thompson, CC, Mosko, J, Ryou, M, Peetermans, J et al.. A new through-the-scope clip with anchor prongs is safe and successful for a variety of endoscopic uses. Endosc Int Open. 2024;12 (6):E812-E817. doi: 10.1055/a-2330-9803. PubMed PMID:38911014 PubMed Central PMC11192586.
  6. Fujiyoshi, MRA, Fujiyoshi, Y, Gimpaya, N, Bechara, R, Jeyalingam, T, Calo, NC et al.. Unified Magnifying Endoscopic Classification (UMEC) of Gastrointestinal Lesions: A North American Validation Study. J Can Assoc Gastroenterol. 2024;7 (3):246-254. doi: 10.1093/jcag/gwad055. PubMed PMID:38841140 PubMed Central PMC11149659.
  7. Gupta, S, He, T, Mosko, JD, Causada Calo, NS, Teshima, C, May, GR et al.. A double-incision endoscopic myotomy of the cricopharyngeal muscle for the management of a large hemi-circumferential Zenker's diverticulum. Endoscopy. 2024;56 (S 01):E388-E389. doi: 10.1055/a-2307-5809. PubMed PMID:38714297 PubMed Central PMC11076135.
  8. Khalaf, K, Seleq, S, Bourke, MJ, Alkandari, A, Bapaye, A, Bechara, R et al.. Establishment of standards for the referral of large nonpedunculated colorectal polyps: an international expert consensus using a modified Delphi process. Gastrointest Endosc. 2024;100 (3):510-516.e6. doi: 10.1016/j.gie.2024.02.001. PubMed PMID:38331224 .
  9. Khan, R, Samnani, S, Vaska, M, Grover, SC, Walsh, CM, Mosko, J et al.. Effectiveness and safety of thin vs. thick cold snare polypectomy of small colorectal polyps: Systematic review and meta-analysis. Endosc Int Open. 2024;12 (1):E99-E107. doi: 10.1055/a-2221-7792. PubMed PMID:38250163 PubMed Central PMC10798846.
  10. Wilson, N, Abdallah, M, Schulman, AR, Mosko, JD, Saeed, A, Kothari, S et al.. Outcomes of cold snare EMR of nonampullary duodenal adenomas ≥1 cm: a multicenter study. Gastrointest Endosc. 2024;99 (6):971-980.e1. doi: 10.1016/j.gie.2023.12.007. PubMed PMID:38092125 .
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