Henry Ahn


Associate Scientist, Li Ka Shing Knowledge Institute


Dr. Henry Ahn is an orthopaedic surgeon with the University of Toronto and is an Associate Scientist in the Li Ka Shing Knowledge Institute at St. Michael’s Hospital. He has a clinical practice focused on the management of polytrauma patients with significant orthopaedic injuries, spinal cord injuries, along with complex adult spinal disorders. Dr. Henry Ahn is a member of the University of Toronto Spine Program and is a Principal Investigator with the Rick Hansen Registry. Dr. Ahn has a PhD in Clinical Epidemiology with the Institute of Health Policy, Management and Evaluation at the University of Toronto. Dr. Ahn has a research interest in the management of spinal cord injury and the epidemiology of spinal cord injury incorporating large databases, prospective cohort studies, along with randomized control trials.

Recent Publications

  1. Dvorak, MF, Cheng, CL, Fallah, N, Santos, A, Atkins, D, Humphreys, S et al.. Spinal Cord Injury Clinical Registries: Improving Care across the SCI Care Continuum by Identifying Knowledge Gaps. J. Neurotrauma. 2017; :. doi: 10.1089/neu.2016.4937. PubMed PMID:28745934 .
  2. Rivers, CS, Fallah, N, Noonan, VK, Whitehurst, DG, Schwartz, C, Finkelstein, J et al.. Health conditions: impact on function, health-related quality of life, and life satisfaction following traumatic spinal cord injury. A prospective observational registry cohort study. Arch Phys Med Rehabil. 2017; :. doi: 10.1016/j.apmr.2017.06.012. PubMed PMID:28732686 .
  3. Hicks, KE, Zhao, Y, Fallah, N, Rivers, C, Noonan, V, Plashkes, T et al.. A simplified clinical prediction rule for prognosticating independent walking after spinal cord injury: a prospective study from a Canadian multicenter spinal cord injury registry. Spine J. 2017; :. doi: 10.1016/j.spinee.2017.05.031. PubMed PMID:28716636 .
  4. Paquet, J, Rivers, CS, Kurban, D, Finkelstein, J, Tee, JW, Noonan, VK et al.. The impact of spine stability on cervical spinal cord injury with respect to demographics, management, and outcome: a prospective cohort from a national spinal cord injury registry. Spine J. 2017; :. doi: 10.1016/j.spinee.2017.06.032. PubMed PMID:28673827 .
  5. Ahn, H, Lewis, R, Santos, A, Cheng, CL, Noonan, VK, Dvorak, MF et al.. Forecasting Financial Resources for Future Traumatic Spinal Cord Injury Care using Simulation Modeling. J. Neurotrauma. 2017; :. doi: 10.1089/neu.2016.4936. PubMed PMID:28594315 .
  6. Fehlings, MG, Cheng, CL, Chan, E, Thorogood, NP, Noonan, VK, Ahn, H et al.. Using Evidence To Inform Practice and Policy To Enhance the Quality of Care for Persons with Traumatic Spinal Cord Injury. J. Neurotrauma. 2017; :. doi: 10.1089/neu.2016.4938. PubMed PMID:28566019 .
  7. Cheng, CL, Noonan, VK, Shurgold, J, Chen, J, Rivers, CS, Hamedani, HK et al.. Geomapping of Traumatic Spinal Cord Injury in Canada and Factors Related to Triage Pattern. J. Neurotrauma. 2017; :. doi: 10.1089/neu.2016.4929. PubMed PMID:28325105 .
  8. Fixation using Alternative Implants for the Treatment of Hip fractures (FAITH) Investigators. Fracture fixation in the operative management of hip fractures (FAITH): an international, multicentre, randomised controlled trial. Lancet. 2017;389 (10078):1519-1527. doi: 10.1016/S0140-6736(17)30066-1. PubMed PMID:28262269 .
  9. Burns, AS, Santos, A, Cheng, CL, Chan, E, Fallah, N, Atkins, D et al.. Understanding Length of Stay after Spinal Cord Injury: Insights and Limitations from the Access to Care and Timing Project. J. Neurotrauma. 2017; :. doi: 10.1089/neu.2016.4935. PubMed PMID:28245734 .
  10. Morcos, MW, Jiang, F, McIntosh, G, Johnson, M, Christie, S, Wai, E et al.. Predictors of Blood Transfusion in Posterior Lumbar Spinal Fusion: A Canadian Spine Outcome and Research Network (CSORN) Study. Spine. 2017; :. doi: 10.1097/BRS.0000000000002115. PubMed PMID:28187072 .
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Affiliations & Other Activities

  • Assistant Professor, Division of Orthopaedic Surgery, University of Toronto
  • Assistant Professor, University of Toronto Spine Program, University of Toronto