[Comparative study on lengthened proximal femoral nail antirotation and InterTan in the treatment of subtrochanteric femur fractures in the elderly].

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Abstract

[Indexed for MEDLINE] 13. Chin J Traumatol. 2015;18(6):336-41. doi: 10.1016/j.cjtee.2015.11.011. Subtrochanteric femur fracture treated by intramedullary fixation. Zhou ZB(1), Chen S, Gao YS, Sun YQ, Zhang CQ, Jiang Y. Author information: (1)Medical College of Soochow University, Shanghai 200233, China. PURPOSE: To discuss surgical technique, operative efficacy and clinical outcome of intramedullary fixation in the treatment of subtrochanteric femur fractures. METHODS: From February 2011 to February 2013, 76 cases of subtrochanteric femur fractures were treated by intramedullary fixation in our hospital, including 53 males and 23 females, with the age range of 37 -72 years (mean 53.5 years). According to Seinsheimer classification, there were 2 cases of type I, 7 type II, 15 type III, 23 type IV and 29 type V. Firstly, all patients underwent closed reduction with the guidance of C-arm fluoroscopy in a traction table. Two cases of type I and 3 cases of type III fractures had ideal closed reduction followed by internal fixation. The others needed additional limited open reduction. Radiographic examination was used to evaluate callus formation and fracture healing in postoperative 1, 3, 6 and 12 months follow-up. Functional recovery was evaluated by Harris Hip Scoring (HHS) system. RESULTS: Patients were followed up for 6-12 months. All fractures were healed except one patient with delayed union. The average bone union time was 4.5 months. According to HHS system, 65 cases were considered as excellent in functional recovery, 8 good, 2 fair and 1 poor. The proportion of the patients with excellent and good recovery was 96.05%. CONCLUSION: Intramedullary fixation is feasible for the treatment of subtrochanteric femur fracture. The accuracy of intraoperative reduction and surgical skill are important for the clinical outcome and the patients' prognosis. DOI: 10.1016/j.cjtee.2015.11.011