• Fang-Gui Sun, De-Xin Wang, Yu-Tong Hu, and Rong-Ming Xu.
• The Orthopaedic Centre, Mingzhou Hospital of Zhejiang University, Ningbo 315000, Zhejiang, China.
• Zhongguo Gu Shang. 2017 Oct 25; 30 (10): 915-919.

ObjectiveTo explore the curative effect and the recessive loss of blooding of PFNA for the treatment of intertrochanteric fractures of femur.MethodsFrom January 2012 to January 2015, a total of 49 patients with intertrochanteric fractures of femur were treated with proximal femoral anti-rotation nail including 41 males and 8 females with an average age of 79 years old ranging from 65 to 91 years old. According to the modified Evans type, 1 case was type I, 12 cases were type II, 36 cases were type III. All cases were fresh fractures. Patients had hip pain, movement limited, joint swelling, bruising, extorsion deformity, X-ray and CT examination showed completely fractures. All patients were treated by closed reduction and PFNA internal fixation. Three comminuted fractures using closed reduction were not satisfied, then were treated by limited PFNA fixation after open reduction.ResultsThe patients' incision got the grade A healing, no complications such as infection and internal fixation failure happened. All patients were followed up from 6 to 36 months (means 22 months). The pain VAS score decreased from preoperative 7.70±1.97 to 1.00±0.26 at 6 months after operation(P<0.01). Harris hip score improved from preoperative 8.70±4.19 to 91.70±5.31 at 6 months after operation(P<0.01). The outcome at 6 months after operation was excellent in 34 cases, good in 7, poor in 1. The fracture healing time was from 8 to 16 weeks with an average of 12 weeks after operation. One patient with osteoporosis, crushing broken, poor compliance, associated with schizophrenia at the same time, appeared with the displacement of the femoral greater trochanter, with conservative treatment for healing.ConclusionsIntertrochanteric fractures of femur are common in the elderly trauma, in pain relief, recovery of hip function, to provide quality of life for the patients, PFNA achieved satisfactory effect, but its existence is worth to pay close attention to the recessive loss of blood.

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