先天性髋脱位(CDH)是股骨头在髋臼的正常位置受到破坏所致的一种疾患。表现有数种情况:(1)股骨头轻度不稳定伴有关节囊轻度松弛,结果能引起微小向侧方移位;(2)股骨头中度向侧方移位,但头与髋臼未脱离接触;(3)股骨头完全与髋臼脱位。在美国每1,000名活产儿中,15名有上述CDH三种表现之一。早期发现和治疗能明显减少年长儿和成人的CDH并发症。各方面的观察说明早期保守治疗可以成 Congenital dislocation of the hip (CDH) is a condition in which the femoral head is destroyed in the normal position of the acetabulum. There are several manifestations: (1) mild femoral instability with joint capsule mild relaxation, the results can cause slight lateral shift; (2) the femoral head to the lateral shift, but the head and acetabulum Not out of touch; (3) Complete dislocation of the femoral head with the acetabulum. Of the 1,000 live births in the United States, 15 have one of the above three manifestations of CDH. Early detection and treatment can significantly reduce the complications of CDH in older children and adults. Various observations show that early conservative treatment can be