幼儿发育性髋脱位髋臼前倾的三维CT研究Evaluation of acetabular anteversion in developmental dislocation of the hip in infant by three-dimensional computed tomography
李连永,赵群
摘要(Abstract)：
[目的]利用髋关节的三维CT影像,来探讨3岁以下幼儿发育性髋关节脱位(developmentaldislocationofthehip,DDH)髋臼前倾角(Acetabularanteversion,AA)的改变。[方法]对44例3岁以下单侧DDH患儿的3DCT影像资料进行分析,正常侧髋作为对照,测量髋臼的前倾角。[结果]正常侧髋臼AA为(10·0±4·7)°,脱位侧为(18·1±4·5)°,P<0·01。按年龄分组,正常侧髋臼AA:小于18个月组为(9·2±4·3)°,大于等于18个月组为(10·6±4·9)°,P=0·34。脱位侧髋臼AA:小于18个月组为(16·2±4·5)°,大于等于18个月组为(19·2±4·1)°,P=0·03。[结论]三维CT能清晰地显示幼儿DDH髋臼的形态。脱位后,髋臼前倾角明显增加,且脱位时间越长,髋臼前倾越明显。了解髋臼的前倾情况,对DDH的治疗具有重要意义。
关键词(KeyWords)： 发育性髋关节脱位;髋臼前倾;幼儿;三维CT
基金项目(Foundation):
作者(Author): 李连永,赵群
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参考文献(References)：
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