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. 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.
  2. 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 .
  3. Levin, M, McKechnie, T, Khalid, S, Grantcharov, TP, Goldenberg, M. Automated Methods of Technical Skill Assessment in Surgery: A Systematic Review. J Surg Educ. 2019; :. doi: 10.1016/j.jsurg.2019.06.011. PubMed PMID:31272846 .
  4. Jung, JJ, Elfassy, J, Jüni, P, Grantcharov, T. Adverse Events in the Operating Room: Definitions, Prevalence, and Characteristics. A Systematic Review. World J Surg. 2019; :. doi: 10.1007/s00268-019-05048-1. PubMed PMID:31197439 .
  5. Saun, TJ, Zuo, KJ, Grantcharov, TP. Video Technologies for Recording Open Surgery: A Systematic Review. Surg Innov. 2019; :1553350619853099. doi: 10.1177/1553350619853099. PubMed PMID:31165687 .
  6. Kolodzey, L, Trbovich, P, Kashfi, A, Grantcharov, TP. System Factors Affecting Intraoperative Risk and Resilience: Applying a Novel Integrated Approach to Study Surgical Performance and Patient Safety. Ann. Surg. 2019; :. doi: 10.1097/SLA.0000000000003280. PubMed PMID:30946083 .
  7. Jung, JJ, Yule, S, Boet, S, Szasz, P, Schulthess, P, Grantcharov, T et al.. Nontechnical Skill Assessment of the Collective Surgical Team Using the Non-Technical Skills for Surgeons (NOTSS) System. Ann. Surg. 2019; :. doi: 10.1097/SLA.0000000000003250. PubMed PMID:30817354 .
  8. Jung, JJ, Adams-McGavin, RC, Grantcharov, TP. Underreporting of Veress Needle Injuries: Comparing Direct Observation and Chart Review Methods. J. Surg. Res. 2019;236 :266-270. doi: 10.1016/j.jss.2018.11.039. PubMed PMID:30694765 .
  9. Alsubaie, H, Goldenberg, M, Grantcharov, T. Quantifying recall bias in surgical safety: a need for a modern approach to morbidity and mortality reviews. Can J Surg. 2019;62 (1):39-43. doi: 10.1503/cjs.017317. PubMed PMID:30693745 PubMed Central PMC6351262.
  10. Jung, JJ, Kashfi, A, Sharma, S, Grantcharov, T. Characterization of device-related interruptions in minimally invasive surgery: need for intraoperative data and effective mitigation strategies. Surg Endosc. 2019;33 (3):717-723. doi: 10.1007/s00464-018-6254-5. PubMed PMID:30693388 .
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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