Biomechanical comparison of internal fixations in osteoporotic intertrochanteric fracture. A finite element analysis.

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Abstract

[Indexed for MEDLINE] 17. Zhongguo Gu Shang. 2020 Nov 25;33(11):1053-7. doi: 10.12200/j.issn.1003-0034.2020.11.013. [Clinical analysis of reconstruction of lateral wall and femoral moment in the treatment of Evans Jensen type V intertrochanteric fracture]. [Article in Chinese] Chen ZX(1), Wang CG(1). Author information: (1)Huaiyin Hospital of Huai'an City, Huai'an 223300, Jiangsu, China. OBJECTIVE: To investigate the clinical effect of proximal femoral nail anti rotation (PFNA) and titanium plate in the treatment of Evans Jensen type V intertrochanteric fractures. METHODS: From October 2013 to March 2016, 30 patients with Evans Jensen type V intertrochanteric fractures were analyzed. According to the operation methods, they were divided into two groups:16 cases of closed reduction and PFNA internal fixation;14 cases of small incision incision reconstruction of titanium plate reconstruction of femoral moment and lateral wall PFNA internal fixation. The operation (blood loss, operation duration), postoperative rehabilitation (postoperative ambulation time, bone healing time), operation related complications (internal fixation fracture, withdrawal, spiral blade cutting out) were observed and compared between the two groups. Harris score of hip joint function was performed 12 months after operation, and the loss degree of cervical trunk angle was observed and compared. RESULTS: All the 30 patients were followed up for 12 to 18 months. The blood loss and operation duration of open reduction group were significantly greater than those of closed reduction group (P