目的：研究发育性髋关节脱位髋臼前倾角的变化，为手术选择和判断预后提供依据。
Objective:To study the change of acetabular anteversion in developmental dysplasia of hip, in order to select operation type and suppose the prognosis.
术后所有患者双下肢基本等长，髋臼外展角及前倾角、股骨偏心距和前倾角基本恢复至初次手术前水平。
Lower leg discrepancy, acetabular abduction, anteversion femoral offest and collodiaphyseal angle were restored to normal level after operation on the basis of X-ray.
术后所有患者双下肢基本等长，髋臼外展角及前倾角、股骨偏心距和前倾角基本恢复至初次手术前水平。
Lower leg discrepancy, acetabular abduction, anteversion femoral offest and collodiaphyseal angle were restored to normal level after operation on the basis of X-ray.
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