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Achilleas Thoma

Research Interests

  • Outcomes research in hand and breast reduction surgery
  • Utility measurement in surgery
  • Actively involved in publications of series of articles in Canadian Journal of Surgery on Evidence Based Surgery
  • Participating in workshops to disseminate evidence-based principles to surgeons


  • Director of Teaching, Microsurgery Laboratory, St. Joseph's Father Sean O'Sullivan Research Centre, St. Joseph's Healthcare
  • Active Staff and Consultant Plastic Surgeon, Active Appointment at St. Joseph's Healthcare Hamilton with courtesy privileges in Civic Hamilton Hospitals and Chedoke-McMaster Hospitals

Featured Publications

  • Thoma A, Wong VH, Sprague S, Duku E. A cost-utility analysis of open and endoscopic carpal tunnel release.  Can J Plast Surg. 2006;15:15-20.
  • O’Grady K, Thoma A, Dal Cin A.  A comparison of complication rates in large and small inferior pedicle reduction mammaplasty: Letter to the Editor   Plast Reconstr Surg. 2006;118:275-276.
  • Thoma A, Chew R, Sprague S, Veltri K.  Application of the CONSORT statement to randomized controlled trials comparing endoscopic and open carpal tunnel release.  Can J Plast Surg, 2006;14(4):205-210.
  • El-Sheikh Y, Thoma A, Wong I, Farrokhyar F.  Diagnosis of finger flexor pulley injury in rock climbers: A systematic review. Can J Plast Surg. 2006;14(4):227-231.
  • Thoma A, Sprague S, Veltri K, Duku E, Furlong W.  A prospective study of patients undergoing breast reduction surgery: Health-related quality of life and clinical outcomes.  Plast Reconstr Surg. 120(1):13-26, 2007.
  • Mastracci TM. Cina CS, Thoma A, Farrokhyar F.  User’s Guide to the Surgical Literature: How to Use a Decision Analysis. Can J Surg. 50(5): 403-9, 2007.
  • Cugno S, Sprague S, Duku E, Thoma A.  Composite tissue allotransplantation of the face: Decision analysis model.  Can J Plast Surg.  2007:15(3):145-152.
  • Thoma A. Evidence-based Plastic Surgery: Design, Measurement, and Evaluation. Clin Plastic Surg. 35(2):ix, 2008.
  • Thoma A, McKnight L, McKay P, Haines T. Forming the Research Question Design, Measurement, and Evaluation. Clin Plastic Surg. 35(2):189, 2008
  • Sprague S, McKay P, Thoma A. Study Designs and the Hierarchy of Evidence in Clinical Practice.  Clin Plastic Surg. 35(2):195, 2008.
  • Haines T, McKnight L, Duku E, Thoma A.  The Role of Systematic Reviews in Clinical Research and Practice. Clin Plastic Surg. 35(2):207, 2008.
  • Ching S, Rockwell G, Thoma A.  Clinical Research in Aesthetic Surgery.  Clin Plastic Surg. 35(2):269, 2008.
  • Thoma A, Archibald S, Temple C, Sprague S. The Role of the Randomized Controlled Trial in Plastic Surgery.  Clin Plastic Surg. 35(2):275, 2008
  • Thoma A, Rockwell G, Strumas N, McKnight L. The Use of Cost-effectiveness Analysis in Plastic Surgery Clinical Research.  Clin Plastic Surg. 35(2):285, 2008
  • Thoma A, Haines T, Duku E, McKnight L, Goldsmith C.  Becoming a Successful Clinical Investigator.  Clin Plastic Surg. 35(2):305, 2008.
  • Thoma A, Cornacchi S, Lovrics P, Goldsmith C.  User’s Guide to the Surgical Literature: How to Assess an Article on Health-Related Quality of Life.  Can J Surg. 51(3):215-24, 2008.
  • Thoma A, Jansen L, Sprague S, Duku E. A cost-utility analysis: comparison of deep inferior epigastric perforator flap and superior inferior epigastric artery flap. Can J Plast Surg. 16(2):215-24, 2008.
  • Card A, Khalidi N, Clements-Baker M, Thoma A.  Churg-Strauss syndrome and revascularization of the hand: a case report.  J Rheumatol. 35(5):941-3, 2008.
  • Cadeddu M Farrokhyar F, Thoma A, Haines T, Garnett A, Goldsmith CH.  Users’ guide to the surgical literature: how to assess power and sample size. Can J Surg. 51(6):476-82, 2008.
  • Shortt R, Thoma A.  Empiric antibiotics use in soft tissue infections. Can J Plast Surg. 16(4): 201-4, 2008.
  • Thoma A, McKnight L, Knight C.  The Use of Economic Evaluation in Hand Surgery.  Hand Clin 25:113–123, 2009.
  • Voineskos S, Ayeni B, McKnight L, Thoma A.  Systematic Review of Skin Graft Donor Site Dressings.  Plast Reconstr Surg. 124(1):298-306, 2009.
  • Mitchell R, Chesney A, Seal S, McKnight L, Thoma A.  Anatomical variations of the carpal tunnel structures.  Can J Plast Surg 17(3): e3-9, 2009.
  • Thoma A, Jansen L, Sprague S. Outcomes in Microsugery. Plast Reconstr Surg. 124(6S): 303e-312e, 2009.
  • Farrokhyar F, Karanicolas PJ, Thoma A, Simunovic M, Bhandari M, Devereaux PJ, Anvari M, Adili A, Guyatt G. Randomized controlled trials of surgical interventions. Ann Surg. 251(3): 409-416, 2010.
  • Thoma A, McKnight L. Quality adjusted life year (QALY) as a surgical outcome measure. A primer for plastic surgeons. Plast Reconstr Surg. 125(4): 1279-1287, 2010.
  • Dickson L, Kattan A, Thoma A Two technique reconstruction following traumatic scalp avulsion; replantation and composite graft.  Plast Reconstr Surg. 125(4): 151e-152e, 2010.
  • Thoma A, Farrokhyar F, McKnight L, Bhandari M. Practical tips for surgical research: How to optimize patient recruitment. Can J Surg 53(3): 205-210, 2010.
  • Al-Shiji TF, Karanoglou N, Thoma A, Prowse C, Comondore V, Orovan W, Piercey K, Whelan P, Winter L, Matsumoto ED. A Cost Analysis Comparison of Laparoscopic Radical Prostatectomy versus Open Radical Prostatectomy: The McMaster Institute of Urology Experience, CUAJ 4(4): 237-241, 2010.
  • Cano S, Klassen AF, Scott A, Thoma A, Feeny D, Pusic A. Health outcomes and economic measurement in breast cancer surgery: challenges and opportunities. Expert Rev Pharmacoeconomics Outcomes Res 10(5): 583-594, 2010.
  • Vartija L, Thoma A. Making the V-Y advancement flap safer in fingertip amputations. Can J Plast Surg 18(4): e47-e49, 2010.
  • Farrokhyar F, Thoma A. Surgical Randomized-Controlled Trials and CONSORT 2010. Ann Surg 253(3): 633-635, 2011.


  • B.Sc., McMaster University
  • M.Sc., McMaster University
  • M.D., McMaster University
  • General Surgery Residency, McMaster University
  • Plastic Surgery Residency, McMaster University
  • F.R.C.S.(C)


  • Head and Neck Surgery, McMaster University
  • McLaughlin Fellow in Reconstructive Microsurgery. University of Louisville (USA)
  • McLaughlin Fellow in Hand surgery, University of Louisville (USA)



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