Teodor Grantcharov


Scientist, Li Ka Shing Knowledge Institute

Research Programs


Dr. Teodor Grantcharov is a Staff Surgeon at St. Michael’s Hospital and a Professor of Surgery at the University of Toronto. He completed General Surgery residency at the University of Copenhagen, and a doctoral degree in Medical Sciences at the University of Aarhus in Denmark. He then completed a fellowship in Minimally Invasive Surgery at the Western Pennsylvania Hospital, Temple University School of Medicine in Pittsburgh, USA.

Dr. Grantcharov holds the Keenan Chair in Surgery, a Hospital-University named chair between St. Michael’s Hospital and the University of Toronto. He also holds a Canada Research Chair in Simulation and Surgical Safety. His clinical interest is the area of minimally invasive surgery, with a focus on foregut disease including cancer and revisional bariatric surgery. His area of academic interest is in the field of minimally invasive surgery, surgical education and patient safety. He has become internationally recognized as a leader in this area with a focus on curriculum design, assessment of competence and impact of surgical performance on clinical outcomes.

Dr. Grantcharov has more than 120 peer-reviewed publications and more than 130 invited presentations in Europe, South- and North America. He sits on numerous committees with The American College of Surgeons (ACS), The Society of the American Gastrointestinal and Endoscopic Surgeons (SAGES), and The Association for Surgical Education (ASE). He also sits on the Editorial Boards of The British Journal of Surgery and Surgical Endoscopy.

Recent Publications

  1. Khalid, S, Goldenberg, M, Grantcharov, T, Taati, B, Rudzicz, F. Evaluation of Deep Learning Models for Identifying Surgical Actions and Measuring Performance. JAMA Netw Open. 2020;3 (3):e201664. doi: 10.1001/jamanetworkopen.2020.1664. PubMed PMID:32227178 .
  2. Gabrielli, ME, Saun, TJ, Jung, JJ, Grantcharov, TP. Assessment of 3-Dimensional vs 2-Dimensional Imaging and Technical Performance Using a Multiport Intraoperative Data Capture and Analytic System for Patients Undergoing Laparoscopic Roux-en-Y Gastric Bypass Surgery. JAMA Netw Open. 2020;3 (1):e1920084. doi: 10.1001/jamanetworkopen.2019.20084. PubMed PMID:31995217 PubMed Central PMC6991293.
  3. Garbens, A, Armstrong, BA, Louridas, M, Tam, F, Detsky, AS, Schweizer, TA et al.. Brain activation during laparoscopic tasks in high- and low-performing medical students: a pilot fMRI study. Surg Endosc. 2019; :. doi: 10.1007/s00464-019-07260-5. PubMed PMID:31754848 .
  4. Zevin, B, Sheahan, G, Ashamalla, S, Dedy, NJ, Jalink, D, Grantcharov, T et al.. Implementation and evaluation of a comprehensive proficiency-based curriculum in an advanced, minimally invasive procedure: a multi-institutional Canadian experience. Surg Obes Relat Dis. 2019;15 (11):1956-1964. doi: 10.1016/j.soard.2019.09.053. PubMed PMID:31601532 .
  5. Adams-McGavin, RC, Jung, JJ, van Dalen, ASHM, Grantcharov, TP, Schijven, MP. System Factors Affecting Patient Safety in the OR: An Analysis of Safety Threats and Resiliency. Ann. Surg. 2019; :. doi: 10.1097/SLA.0000000000003616. PubMed PMID:31592890 .
  6. Gordon, L, Grantcharov, T, Rudzicz, F. Explainable Artificial Intelligence for Safe Intraoperative Decision Support. JAMA Surg. 2019; :. doi: 10.1001/jamasurg.2019.2821. PubMed PMID:31509185 .
  7. Jung, JJ, Elfassy, J, Grantcharov, T. Factors associated with surgeon's perception of distraction in the operating room. Surg Endosc. 2019; :. doi: 10.1007/s00464-019-07088-z. PubMed PMID:31456026 .
  8. Khan, AF, Macdonald, MK, Streutker, C, Rowsell, C, Drake, J, Grantcharov, T et al.. Defining the Relationship Between Compressive Stress and Tissue Trauma During Laparoscopic Surgery Using Human Large Intestine. IEEE J Transl Eng Health Med. 2019;7 :3300108. doi: 10.1109/JTEHM.2019.2919029. PubMed PMID:31410319 PubMed Central PMC6690425.
  9. Gordon, LE, Bohnen, JD, Grantcharov, TP. Valuations of Surgical Procedures in the Medicare Fee Schedule. N. Engl. J. Med. 2019;381 (4):389-390. doi: 10.1056/NEJMc1906724. PubMed PMID:31340107 .
  10. Levin, M, McKechnie, T, Khalid, S, Grantcharov, TP, Goldenberg, M. Automated Methods of Technical Skill Assessment in Surgery: A Systematic Review. J Surg Educ. ;76 (6):1629-1639. doi: 10.1016/j.jsurg.2019.06.011. PubMed PMID:31272846 .
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Affiliations & Other Activities

  • Staff Surgeon, Department of Surgery, St. Michael’s Hospital
  • Keenan Chair in Surgery, St. Michael’s Hospital & University of Toronto
  • Professor, Department of Surgery, University of Toronto, Canada
  • Canada Research Chair in Simulation and Surgical Safety