Abstract
To investigate the relationship between the area of psoas major muscle(PMI) and recurrent contralateral hip fracture in the initial intertrochanteric fracture. Total of 87 patients with intertrochanteric fracture of femur from January 2008 to January 2011 were selected for CT scanning of lumbar spine and hip at the time of the first fracture, and then divided into two groups according to whether there was fracture in the contralateral hip, 13 patients in the contralateral hip fracture group, 5 males and 8 females, aged(82.30±5.66) years;there were 74 cases in the non contralateral hip fracture group, including 32 males and 42 females, with an age of (79.70±5.84) years. The gender, age, preoperative blood albumin value, operation side, body mass index(BMI), Harris score of hip joint one year after operation, Barthel index before operation and medical diseases before operation were observed and compared between two groups. The PMI was used to compare the area of psosa major on CT before operation in two groups, and the correlation between the area of PMI at the time of initial fracture and the fracture of the contralateral hip was evaluated. The two groups were followed up for more than 2 years after operation. There was a significant difference in PMI between two groups(P<0.05). There was a significant positive correlation between preoperative PMI and the time of re fracture of the contralateral hip(r=0.641, P=0.018). There are differences in the area of PMI in patients with contralateral hip fracture, so the area of PMI can be regarded as an important risk factor for contralateral hip fracture.
Published Version
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