髋臼假体安装位置与无菌性松动的相关分析

被引:14
作者
陈检文 [1 ]
董立明 [2 ]
蒋科 [1 ]
李冬梅 [1 ]
向超 [1 ]
机构
[1] 川北医学院附属医院
[2] 遵义医科大学附属医院骨科
关键词
人工全髋关节置换术; 改良Hardinge入路; 髋臼假体位置; X线参数测定;
D O I
暂无
中图分类号
R687.4 [关节手术];
学科分类号
100220 [骨科学];
摘要
[目的]探讨髋臼假体安放位置与假体松动的相关性。[方法]回顾性分析2010年9月—2017年3月采用改良Hardinge入路初次全髋关节置换术符合纳入排除标准136例患者的临床资料,患者均顺利手术,随访20个月以上,按是否发生松动将患者分为两组,采用单因素分析和二元多因素逻辑分析假体松动的相关因素。[结果]末次随访时,136患者中确诊为假体松动共32例,占23.53%,其中单纯髋臼假体松动28例,合并股骨假体松动4例。单项因素比较表明:松动组的年龄显著大于非松动组(P<0.05);松动组的髋臼外展角、双侧偏心距差值、髋臼外展角异常率、偏心距异常率均显著大于非松动组(P<0.05);两组性别构成、BMI、髋臼前倾角和前倾角异常率的差异均无统计学意义(P>0.05);逻辑回归表明:高龄(OR=0.248,P<0.05)、偏心距异常(OR=0.159,P<0.05)、外展角过大(OR=0.366,P<0.05)、外展角异常(OR=0.021,P<0.05)是假体松动的独立危险因素。[结论] THA中髋臼假体位置不良与无菌性松动发生相关,术中尽量将外展角及偏心距置于安全范围内,有利于降低无菌性松动发生率。
引用
收藏
页码:28 / 32
页数:5
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