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Abstract Objective： To discuss the surgical technique and efficacy of the application of proximal femoral nail anti-rotation（ PFNA） in the treatment of peritrochanteric femoral fracture. Method： Sixty-eight patients with peritrochanteric femoral fractures treated with PFNA were reviewed. Result： The follow-up time was 12 to 37 months，average was（ 18.22±7.49） months. Varus of hip joint occurred in one case and osteonecrosis of the femoral head in one case， however， no other complications such as femoral shaft fracture and anti-rotation screw cut through the femoral head. According to Sanders post trauma hip function score standard， the result was excellent in 37 cases， fair in 25 cases， bad in 6 cases， and the excellent and the good rate was 91.18%. Conclusion： PFNA can be recommended to the treatment of peritrochanteric femoral fracture as the first choice for its advantages of minimally invasive， reliable fixation， simple operation， and rapid rehabilitation.
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