Aaron Nauth


Scientist, Keenan Research Centre for Biomedical Science


I have an active basic science laboratory at the Keenan Research Centre for Biomedical Science that is focused on investigating the use of stem cell therapies for the augmentation of bone and tendon healing. Research activities in this musculoskeletal research laboratory are co-supervised with Dr. Emil Schemitsch. We have two active lines of research including the investigation of cell and tissue engineering strategies for fracture healing and healing of the rotator cuff. I also have a strong interest in clinical research with a particular focus on randomized clinical trials in orthopedic trauma and sports medicine.

Recent Publications

  1. Nauth, A, Lee, M, Gardner, MJ, Brinker, MR, Warner, SJ, Tornetta, P 3rd et al.. Principles of Nonunion Management: State of the Art. J Orthop Trauma. 2018;32 Suppl 1 :S52-S57. doi: 10.1097/BOT.0000000000001122. PubMed PMID:29461405 .
  2. Nauth, A, Schemitsch, E, Norris, B, Nollin, Z, Watson, JT. Critical-Size Bone Defects: Is There a Consensus for Diagnosis and Treatment?. J Orthop Trauma. 2018;32 Suppl 1 :S7-S11. doi: 10.1097/BOT.0000000000001115. PubMed PMID:29461395 .
  3. Gortler, H, Rusyn, J, Godbout, C, Chahal, J, Schemitsch, EH, Nauth, A et al.. Diabetes and Healing Outcomes in Lower Extremity Fractures: A Systematic Review. Injury. 2018;49 (2):177-183. doi: 10.1016/j.injury.2017.11.006. PubMed PMID:29162268 .
  4. Bates, BD, Walmsley, DW, Vicente, MR, Kuzyk, PR, Nauth, A, Waddell, JP et al.. An international, cross-sectional survey of the management of Vancouver type B1 periprosthetic femoral fractures around total hip arthroplasties. Injury. 2018;49 (2):364-369. doi: 10.1016/j.injury.2017.10.034. PubMed PMID:29126601 .
  5. Dehghan, N, Mah, JM, Schemitsch, EH, Nauth, A, Vicente, M, McKee, MD et al.. Operative Stabilization of Flail Chest Injuries Reduces Mortality to That of Stable Chest Wall Injuries. J Orthop Trauma. 2018;32 (1):15-21. doi: 10.1097/BOT.0000000000000992. PubMed PMID:28902086 .
  6. Giles, EM, Godbout, C, Chi, W, Glick, MA, Lin, T, Li, R et al.. Subtypes of endothelial progenitor cells affect healing of segmental bone defects differently. Int Orthop. 2017;41 (11):2337-2343. doi: 10.1007/s00264-017-3613-0. PubMed PMID:28840305 .
  7. Nowak, LL, Vicente, MR, McKee, MD, Hall, JA, Nauth, A, Schemitsch, EH et al.. Orthopaedic surgeons' opinions surrounding the management of proximal humerus fractures: an international survey. Int Orthop. 2017;41 (9):1749-1755. doi: 10.1007/s00264-017-3569-0. PubMed PMID:28730322 .
  8. Bates, BD, Godbout, C, Ramnaraign, DJ, Schemitsch, EH, Nauth, A. Delayed Endothelial Progenitor Cell Therapy Promotes Bone Defect Repair in a Clinically Relevant Rat Model. Stem Cells Int. 2017;2017 :7923826. doi: 10.1155/2017/7923826. PubMed PMID:28523072 PubMed Central PMC5390645.
  9. Dwyer, T, Martin, CR, Kendra, R, Sermer, C, Chahal, J, Ogilvie-Harris, D et al.. Reliability and Validity of the Arthroscopic International Cartilage Repair Society Classification System: Correlation With Histological Assessment of Depth. Arthroscopy. 2017;33 (6):1219-1224. doi: 10.1016/j.arthro.2016.12.012. PubMed PMID:28162918 .
  10. Dehghan, N, McKee, MD, Jenkinson, RJ, Schemitsch, EH, Stas, V, Nauth, A et al.. Early Weightbearing and Range of Motion Versus Non-Weightbearing and Immobilization After Open Reduction and Internal Fixation of Unstable Ankle Fractures: A Randomized Controlled Trial. J Orthop Trauma. 2016;30 (7):345-52. doi: 10.1097/BOT.0000000000000572. PubMed PMID:27045369 .
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Affiliations & Other Activities

  • Staff Surgeon, Division of Orthopedic Surgery, St. Michael’s Hospital
  • Assistant Professor, Orthopedic Surgery, University of Toronto
  • Consulting Staff, Orthopedic Surgery, Sunnybrook Health Sciences Centre
  • Consulting Staff, Orthopedic Surgery, Women’s College Hospital