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目的探讨正常儿童与髋脱位儿童髋臼前倾角的变化情况。方法应用CT技术,测量正常组(105髋)和异常组(303髋)的髋臼前倾角。结果儿童的髋臼前倾角较正常成年人小;0~6岁髋脱位患儿的髋臼前倾角较正常儿童的髋臼前倾角增大,差异有显著性意义。结论髋臼前倾角的发育在儿童期较为缓慢。髋脱位患儿的髋臼前倾角增大,复位手术前后应增加CT检查以明确前倾角度。
Objective To investigate the changes of acetabular anterior tilt in children with normal hip and hip dislocation. Methods CT was used to measure the acetabular anteversion in the normal group (105 hips) and the abnormal group (303 hips). Results The anteversion of acetabulum in children was smaller than that in normal adults. The anteversion of acetabulum in children aged 0 ~ 6 years old was higher than that in normal children, the difference was significant. Conclusions The development of acetabulum anterior is relatively slow during childhood. Acetabular anterior ramps in children with hip dislocation increased, CT examination should be added before and after reduction surgery to clarify the anteversion angle.