About Prof. Hayrettin Kesmezacar, M.D.
Prof. Hayrettin Kesmezacar, M.D. is a orthopedics & traumatology specialist at Florence Healthcare International, caring for patients who travel to Istanbul from around the world. Care is delivered alongside a multidisciplinary team, with a dedicated coordinator supporting international patients in their own language — from the first message through to follow-up after you return home.
Areas of care
Explore the conditions Prof. Hayrettin Kesmezacar treats and the treatments available — or request an appointment for a personal consultation.
Clinical focus
Experience
- 2024 Gayrettepe Florence Nigthingale Hospital Professor Doctor
- 2024 Mount Sinai Hospital ICU Research (ICORE) Clinical Research Associate (CRA)
- 2013 Gayrettepe Florence Nigthingale Hospital Professor Doctor
- 2009 University of Western Ontario, London Health Sciences Center Visiting Fellowship
- 2004 Cornell University, Hospital for Special Surgery Visiting Fellowship
- 2000 Istanbul University, Cerrahpasa Medical Faculty Specialist
Education & training
- 2024 Oxford College of Arts, Business, and Technology, Toronto, ON, Canada Clinical Research Associate (CRA)
- 2010 – 2019 Bilim University Medical Faculty Professor
- 2006 Istanbul University Cerrahpasa Medical Faculty Associate Professor
- 2000 Istanbul University Cerrahpasa Medical Faculty Fellowship
- 1997 Istanbul University Cerrahpasa Medical Faculty Resident
- 1992 Istanbul University Istanbul Medical Faculty
Selected publications
- Demir MT, Ertan Birsel S, Salih M, Pirinçci Y, Birsel O, Kesmezacar H. Outcome after the surgical treatment of the Dubberley type B distal humeral capitellar and trochlear fractures with a buttress plate. Acta Orthop Traumatol Turc. 2020;54(4):364-371.
- Guven MF, Aslan L, Botanlioglu H, Kaynak G, Kesmezacar H, Babacan M. Functional outcome of reverse shoulder tumor prosthesis in the treatment of proximal humerus tumors. J Shoulder Elbow Surg. 2016;25(1):e1-6.
- Guven MF, Kaynak G, Inan M, Caliskan G, Unlu HB, Kesmezacar H. Results of displaced supracondylar humerus fractures treated with open reduction and internal fixation after a mean 22.4 years of follow-up. J Shoulder Elbow Surg. 2015; 24(4):640-6.
- Ertan S, Ayhan E, Guven MF, Kesmezacar H, Akgun K, Babacan M. Medium-term natural history of subacromial impingement syndrome. J Shoulder Elbow Surg. 2015; 24(10):1512-8.
- Ayhan E, Kesmezacar H, Akgun I. Intraarticular injections (corticosteroid, hyaluronic acid, platelet rich plasma) for the knee osteoarthritis. World J Orthop. 2014; 18:351-361.
- Ayhan E, Kesmezacar H, Karaman O, Sahin A, Kır N. Bipolar or unipolar hemiarthroplasty after femoral neck fracture in the geriatric population. Balkan Med J. 2013; 30:400-405.
- Karaman O, Ayhan E, Kesmezacar H, Seker A, Unlu MC, Aydingoz O. Rotational malalignment after closed intramedullary nailing of femoral shaft fractures and its influence on daily life. Eur J Orthop Surg Traumatol. 2013.
- Karaca S, Ayhan E, Kesmezacar H, Uysal O. Hip fracture mortality: is it affected by anesthesia techniques? Anesthesiol Res Pract. 2012.
- Unlu MC, Kesmezacar H, Kantarcı F, Unlu B, Botanlıoglu H. Intraoperative estimation of femoral anteversion in cementless total hip arthroplasty using the lesser trochanter. Arch Orthop Trauma Surg. 2011; 131:1317–1323.
- 10.Unlu MC, Kaynak G, Caliskan G, Birsel O, Kesmezacar H. Late repair of quadriceps tendon ruptures with free hamstring autograft augmentation and tension relief in patients with predisposing systemic diseases. J Trauma. 2011; 71:1048-53.
- 11.Kesmezacar H, Ayhan E, Unlu MC, Seker A, Karaca S. Predictors of mortality in elderly patients with an intertrochanteric or a femoral neck fracture. J Trauma. 2010;68:153-158.
- 12.Kesmezacar H, Sarikaya IA. The results of conservatively treated simple elbow dislocations. Acta Orthop Traumatol Turc. 2010;44:199-205.
- 13.Yucel I, Tenekecioglu Y, Ogut T, Kesmezacar H. Treatment of hallux valgus by modified McBride procedure: a 6-year follow-up. J Orthop Traumatol. 2010;11:89-97.
- 14.Kesmezacar H, Akgun I, Ogut T, Gokay S, Uzun I. The coracoacromial ligament: The morphology and relation to rotator cuff pathology. J Shoulder Elbow Surg.2008; 17:182-188.
- 15.Bilsel N, Gokce A, Kesmezacar H, Mumcuoglu E, Ozdogan H. Long-term results of total hip arthroplasty in patients with juvenile rheumatoid arthritis. Acta Orthop Traumatol Turc. 2008;42:119-24.
- 16.Ogut T, Gokce A, Kesmezacar H, Durak H, Botanlioglu H, Erginer R. Isolated tuberculous tenosynovitis of the Achilles tendon: a report of two cases. Acta Orthop Traumatol Turc. 2007; 41: 314-20.
- 17.Unlu MC, Kesmezacar H, Akgun I. Brachial plexus neuropathy (stinger syndrome) occurring in a patient with shoulder laxity. Acta Orthop Traumatol Turc, 2007; 41: 74-79.
- 18.Unlu M, Kesmezacar H, Akgun I, Ogut T, Uzun I. Anatomic relationship between elbow arthroscopy portals and neurovascular structures in different elbow and forearm positions. J Shoulder Elbow Surg. 2006;15:457-462.
- 19.Akgun I, Kesmezacar H, Ogut T, Kebudi A, Kanberoglu K. Arthroscopic microfracture treatment for osteonecrosis of the knee. Arthroscopy, 2005;21:834-843.
- 20.Kesmezacar H, Erginer R, Ogut T, Seyahi A, Babacan M, Tenekecioglu Y. Evaluation of patellar height and measurement methods after valgus high tibial osteotomy. Knee Surg Sports Traumatol Arthroscopy, 2005;13:539-544.
- 21.Babacan M, Kesmezacar H, Ogut T, Cansu E, Erginer R. Radiologic evaluation of shoulder instability: conventional radiography, computed tomography and magnetic resonance imaging. Acta Orthop Traumatol Turc, 2005; 39 Suppl-I:24-33.
- 22.Kesmezacar H. The evaluation and treatment of acute anterior shoulder dislocation. Acta Orthop Traumatol Turc, 2005; 39 Suppl-I: 40-47.
- 23.Akgun I, Kesmezacar H, Ogut T, Unlu M. Open surgical treatment of posterior instability of the shoulder. Acta Orthop Traumatol Turc, 2005; 39 Supp-I:75-82.
- 24.Kesmezacar H, Ogut T, Bilgili MG, Gokay S, Tenekecioglu Y. Treatment of intertrochanteric femur fractures in elderly patients: internal fixation or hemiarthroplasty. Acta Orthop Traumatol Turc, 2005; 39: 287-294.
- 25.Erdogan F, Aydıngoz O, Kesmezacar H, Erginer R. Calcification of patellar tendon after ACL reconstruction – a case report with long-term follow-up. Knee Surg Sports Traumatol Arthroscopy, 2004; 12: 277-279.
- 26.Erginer R, Yucel İ, Ogut T, Kesmezacar H, Babacan M. Medial meniscus anterior horn cyst: Arthroscopic decompression. Arthroscopy, 2004;20 Suppl 2:9-12.
- 27.Ogut T, Akgun I, Kesmezacar H, Turker T, Uzun I, Demirci S, Marur T, Can G, Akkın SM. Navigation for ankle arthroscopy: anatomical study of the anterolateral portal with reference to the superficial peroneal nerve. Surg Radiol Anat, 2004;26:268-274.
- 28.Aydıngoz O, Bilsel N, Botanlıoglu H, Bozdag E, Sunbuloglu E, Kesmezacar H. Effect of Decortication on Laminar Strength During Sublaminar Wiring: An Experimental Study. J Spinal Disord Tech, 2004;17:498-504.
- 29.Akgun I, Kesmezacar H. Shoulder injuries: macrotraumas and overuse problems. Acta Orthop Traumatol Turc, 2004; 38 Suppl:64-73.
- 30.Akgun I, Kesmezacar H, Ogut T, Dervisoglu S. Intra-articular hemangioma of the knee. Arthroscopy, 2003;19:17E.
International patients are supported in their own language by a dedicated coordinator — from your first message through to follow-up after you return home. Share your reports for a medical second opinion before you travel.




