ObjectiveTo investigate clinical efficacy of minimally invasive PFNa internal fixation in treatment of adult femoral intertrochanteric fracture through small incision. MethodsA total of 215 cases with femoral intertrochanteric fracture were underwent minimally invasive PFNa internal fixation treatment. 51 adult patients were randomly selected and analyzed retrospectively. ResultThe intraoperative blood loss of patients were 100-200 mL, with an average of 130 mL; the operation time was 50-120 min, with an average of 75min. No complications were observed such as infection, deep vein thrombosis, hip inversion, nonunion, loosening of intramedullary nails, and so on. The time of follow-up were 11-28 months, with an average of 18 months. The fracture healing time were 2.4-3.0 months, with an average of 2.6 months. According to The Harris score, excellent 38 cases, good 11 cases, fair 2 cases, and poor 0 case, the excellent and good rate was 96.08%. ConclusionClosed reduction and minimally invasive PFNa internal fixation in treatment of adult femoral intertrochanteric fracture through small incision is an effective method.

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