• Ivan D Micic, Milorad B Mitkovic, Il-Hyung Park, Desimir B Mladenovic, Predrag M Stojiljkovic, Zoran B Golubovic, and In-Ho Jeon.
• Clinic for Orthopedic Surgery and Traumatology, Faculty of Medicine, Clinical Center, Nis, Serbia.
• Clin Orthop Surg. 2010 Dec 1;2(4):227-31.

BackgroundSurgical treatment is the preferred method for treating subtrochanteric femoral fractures and the variety of extramedullary and intramedullary implants continues to evolve. The purpose of our study was to retrospectively evaluate the clinical and radiological results of subtrochanteric fractures that are treated with the Selfdynamisable internal fixator.MethodsFrom January 2000 to January 2004, we treated 49 consecutive patients who had subtrochanteric fractures. According to the AO classification, 8 (16.3%) fractures were type 32-A, 16 (32.7%) were type 32-B and 25 (51%) fractures were type 32-C. The mean follow-up time was 22.3 months.ResultsThe average operating time was 45 minutes (range, 32 to 90 minutes). The average blood loss was 250 mL (range, 125 to 350 mL). The average hospital stay was 10 days (range, 7 to 59 days). Implant failure was not observed and union was achieved in all the patients. Deep infection occurred in one (2%) patient in the early postoperative period. Fracture union was achieved at a mean of 14 weeks. Varus malalignment less then 10 degree was noted in three (6.1%) patients at the end of follow-up. Thirty-five patients were pain-free and 14 had mild pain.ConclusionsThe selfdynamisable internal fixator was successfully used for subtrochanteric fracture. It provides a short operative time, low blood loss, spontaneous biaxial dynamisation and healing in an optimal period of time without the need for secondary intervention.

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