Early clinical results of cementless, bipolar hemiarthroplasty in intracapsular femur neck fractures.

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Abstract

[Indexed for MEDLINE] 18. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2019 Jun 15;33(6):671-675. doi: 10.7507/1002-1892.201901019. [Clinical study for preoperative traction on impact of osteonecrosis of femoral head in patients with femoral neck fractures]. [Article in Chinese; Abstract available in Chinese from the publisher] Li H(1), Xu S(1), Tang X(1), Wang N(1), Xu L(1), Wang Y(2), Lu B(2), Gou Y(3). Author information: (1)Department of Orthopaedics, the First People's Hospital of Shuangliu District, Chengdu Sichuan, 610200, P.R.China. (2)Department of Orthopaedics, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, Chengdu Sichuan, 610072, P.R.China. (3)Department of Orthopaedics, the First People's Hospital of Shuangliu District, Chengdu Sichuan, 610200, P.R.China.15002828117@163.com. OBJECTIVE: To explore the impact of preoperative traction on the osteonecrosis of the femoral head (ONFH) in patients with femoral neck fractures. METHODS: Between February 2013 and May 2016, 120 patients with femoral neck fractures, who were treated with screw fixation, were collected. Sixty patients with fractures of Garden type Ⅰ and Ⅱ were non-displaced fracture group; 60 cases with fractures of Garden type Ⅲ and Ⅳ were displaced fracture group. The patients in 2 groups were randomly divided into traction and non-traction subgroups ( n=30). There was no significant difference in gender, age, injury mechanism, damage side, the time from injury to operation, and fracture classification between 2 subgroups ( P>0.05). Intracapsular pressure was recorded before operation. The quality of fracture reduction and the satisfaction ratio of screw implant were evaluated during operation. Visual analogue scale (VAS), Harris score, joint mobility, and the incidence of ONFH would be evaluated at 6 months, 1 year, and 2 years after operation. RESULTS: All incisions of 2 groups healed by first intention after operation. There was no infection or deep vein thrombosis of lower extremity. All patients were followed up 2 years. In displaced and non-displaced fracture groups, the intracapsular pressure of traction subgroups were higher than that of non-traction group ( P0.05) between 2 subgroups. At 6 months, 1 year, and 2 years after operation, VAS scores were higher in traction subgroup than in non-traction subgroup ( P