摘要
目的:观察发育性髋脱位手法复位后髋臼发育的变化,探讨髋臼发育不良的演变特点。方法:117例(161髋)平均7.4年追踪观察,采用连续 X 线片,观察髋臼指数、臼头指数、Sharp角、ACM 角、前倾角及髋臼硬化带的形态变化,同时对股骨头中心距离差进行了测定。结果:发育性髋脱位手法复位后髋臼随年龄增长逐渐恢复,以复位后1年最为明显,复位后3年趋于平稳。髋臼发育不良者,复位前髋臼指数为39°以上,复位后髋臼指数恢复缓慢,经3～4年观察仍持续在30°左右。随复位年限的增加,股骨头中心距离差有逐渐减小的趋势。结论:复位前髋臼指数超过39°,复位后3年髋臼指数仍持续于30°,即可诊断为髋臼发育不良。
Objective:To observe the developmental changes of acetabulum after manual re- duction of DDH and investigate the regularity of acetabular dysplasia.Methods:A follow-up on an average of 7.4 years was carried out in 117 cases(161 hips)of CDH reduction.Acetabular index, acetabular-head index,Sharp's angle,ACM angle,and the centre-head distance discrepancy was measured at the same time.Results:The recovery of acetabulum was obvious in the first years of reduction and stabilized three years later.Acetabular index in the dysplasia group was above 39° before reduction and recovered slowly after treatment.However,it remained about 30° during 3— 4 years' follow-up.As the time going on,the centre-head distance discrepancy decreased gradual- ly.Conclusions:If the acetabular index (AI)is above 39° before reduction and 30° lasted three years after reduction,it can be diagnosed as an acetabular dysplasia.
出处
《中华小儿外科杂志》
CSCD
1997年第5期264-266,共3页
Chinese Journal of Pediatric Surgery
基金
国家教委资助项目
