Daniel Whelan




Dr. Daniel Whelan is involved in several multicentre clinical trials in orthopaedic sport medicine, including an ongoing investigation on ACL reconstruction with hamstring tendon grafts. In partnership with the Pan-Am Sports Medicine Clinic in Winnipeg, Dr. Whelan is comparing the traditional trans-tibial technique for creating the femoral tunnel with a more novel ‘anatomic’ method utilizing an accessory anteromedial portal. They plan to begin a randomized investigation comparing early range of motion following multiligament reconstruction of the knee versus the traditional mandatory four weeks of immobilization. Last fall, Dr. Whelan was awarded the Sandy Kirkley Grant by the American Orthopedic Society for Sport Medicine to begin a trial on shoulder dislocations at St. Michael’s Hospital. This randomized investigation will compare two techniques for emergently immobilizing shoulders following primary dislocations.

Please note that Dr. Whelan is not accepting any summer students.

Recent Publications

  1. Shah, A, Hoit, G, Lan, L, Whelan, DB. Assessment of 30 Years of Randomized Controlled Trials in The American Journal of Sports Medicine: 1990-2020. Orthop J Sports Med. 2023;11 (5):23259671231161293. doi: 10.1177/23259671231161293. PubMed PMID:37213657 PubMed Central PMC10192813.
  2. Dwyer, T, Hoit, G, Burns, D, Higgins, J, Chang, J, Whelan, D et al.. Use of an Artificial Intelligence Conversational Agent (Chatbot) for Hip Arthroscopy Patients Following Surgery. Arthrosc Sports Med Rehabil. 2023;5 (2):e495-e505. doi: 10.1016/j.asmr.2023.01.020. PubMed PMID:37101866 PubMed Central PMC10123501.
  3. Vivekanantha, P, Shah, A, Hoit, G, Ayeni, O, Whelan, D. Predictors of Increased Fragility Index Scores in Surgical Randomized Controlled Trials: An Umbrella Review. World J Surg. 2023;47 (5):1163-1173. doi: 10.1007/s00268-023-06928-3. PubMed PMID:36719446 .
  4. Hoit, G, Whelan, DB, Atrey, A, Ravi, B, Ryan, G, Bogoch, E et al.. Association of age, sex and race with prescription of anti-osteoporosis medications following low-energy hip fracture in a retrospective registry cohort. PLoS One. 2022;17 (12):e0278368. doi: 10.1371/journal.pone.0278368. PubMed PMID:36454910 PubMed Central PMC9714945.
  5. Betsch, M, Darwich, A, Chang, J, Whelan, D, Ogilvie-Harris, D, Chahal, J et al.. Wide Variability in Return-to-Sport Criteria used by Team Physicians After Anterior Cruciate Ligament Reconstruction in Elite Athletes-A Qualitative Study. Arthrosc Sports Med Rehabil. 2022;4 (5):e1759-e1766. doi: 10.1016/j.asmr.2022.07.001. PubMed PMID:36312698 PubMed Central PMC9596898.
  6. Newmarch, T, Betsch, M, Michalik, R, Dwyer, T, Whelan, D, Chahal, J et al.. Wie wichtig sind psychologische Maßnahmen, um die Bereitschaft zur Rückkehr zum Sport nach der Rekonstruktion des vorderen Kreuzbandes zu bestimmen? Ergebnisse einer Online-Umfrage. Z Orthop Unfall. 2022; :. doi: 10.1055/a-1938-8359. PubMed PMID:36265494 .
  7. Hauer, TM, Wengle, LJ, Whelan, DB. Adjuvant Medial Collateral Ligament Release at the Time of Knee Arthroscopy: A Controlled Percutaneous Technique. Arthrosc Tech. 2022;11 (9):e1541-e1546. doi: 10.1016/j.eats.2022.04.004. PubMed PMID:36185117 PubMed Central PMC9519794.
  8. Patel, V, Patel, V, Abdallah, F, Whelan, D, Bansal, S, Gabra, M et al.. The analgesic benefit of Pericapsular Nerve Group (PENG) block in hip arthroscopic surgery: a retrospective pragmatic analysis at an academic health center. Reg Anesth Pain Med. 2022; :. doi: 10.1136/rapm-2022-103743. PubMed PMID:36008086 .
  9. Dwyer, T, Hoit, G, Sellan, M, Gopinath, R, Whelan, D, Theodoropoulos, J et al.. Six Percent Incidence of Graft-Tunnel Mismatch in Anatomic Anterior Cruciate Ligament Reconstruction Using Bone-Patella Tendon-Bone Autograft and Anteromedial Portal Drilling. Arthrosc Sports Med Rehabil. 2022;4 (2):e479-e486. doi: 10.1016/j.asmr.2021.11.006. PubMed PMID:35494272 PubMed Central PMC9042781.
  10. Matthies, NF, Paul, RA, Dwyer, T, Chahal, J, Whelan, D. A Survey of Treatment Trends for Acute Quadriceps Tendon Ruptures Among North American Surgeons. Orthop J Sports Med. 2022;10 (3):23259671211045399. doi: 10.1177/23259671211045399. PubMed PMID:35368441 PubMed Central PMC8972937.
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Affiliations & Other Activities

  • Associate Professor, Faculty of Medicine, University of Toronto