非移位型股骨颈骨折股骨头后倾角测量及对预后影响的研究进展

非移位型股骨颈骨折的治疗及预后等多方面仍存在有许多未解决的问题，如骨折不愈合、股骨头缺血坏死等。为了降低非移位型股骨颈骨折术后各类并发症发生的风险，股骨颈骨折后倾角及其对预后的影响引起了越来越多的关注。大量学者研究发现，当后倾角>20°后，内固定治疗失败的风险显著增加。基于这一理念，根据患者后倾角的不同，可选择使用初次人工关节置换来替代3枚螺钉内固定，以减少患者术后并发症的发生率。同时分析发现，股骨颈后段粉碎会导致后倾角增大。本文是探究股骨颈骨折后倾角与手术预后之间的关系，并介绍一种测量股骨颈后倾角大小的新方法。

Research progress of caput femoris posterior tilt and its impact on prognosis in nondisplaced femoral neck fractures

There are still many unresolved problems in the treatment and prognosis of nondisplaced femoral neck fractures,such as nonunion and avascular necrosis of the caput femoris.In order to reduce the risk of various complications after non-displaced femoral neck fractures,the caput femoris posterior tilt of femoral neck fractures and its impact on prognosis have attracted more and more attention. A large number of scholars'' studies have found that when the posterior tilt exceeds 20°,the risk of internal fixation failure increases significantly. Based on this concept,we can choose to use primary artificial joint replacement instead of three-screw internal fixation according to the different posterior tilt angles of patients to reduce the incidence of postoperative complications. At the same time,our analysis found that comminution of the posterior segment of the femoral neck would lead to an increase in the posterior inclination angles. The purpose of this review was to investigate the relationship between caput femoris posterior tilt of femoral neck fractures and surgical outcome,and to introduce a new method for measuring caput femoris posterior tilt of the femoral neck.