Staheli L T, Dion M, Tuell J I
Clin Orthop Relat Res. 1978 Nov-Dec(137):163-6.
A comparative study of 20 congenital dislocations of the hip with inverted limbus treated by closed reduction were compared with a group of 20 controls in which the limbus was non-obstructive as demonstrated by arthrography. In each group 3 hips developed signs of avascular necrosis. Seventeen of the 20 hips with inverted limbus and 11 of the 20 controls required subsequent femoral or acetabular procedures. Half of the hips in both groups at follow-up (mean 9 years) were dysplastic with a CE-angle of less than 20 degrees. Thus, the incidence of avascular necrosis and late clinical and radiographic results were comparable in both groups.
对20例通过闭合复位治疗的伴有髋臼缘内翻的先天性髋关节脱位患者进行了一项比较研究，并与一组20例对照患者进行比较，关节造影显示对照组髋臼缘无阻碍。每组中有3髋出现缺血性坏死迹象。20例髋臼缘内翻的患者中有17例，20例对照组患者中有11例随后需要进行股骨或髋臼手术。两组患者随访时（平均9年）均有半数髋关节发育不良，CE角小于20度。因此，两组患者的缺血性坏死发生率以及晚期临床和影像学结果相当。
