Through clinical research we regard that there are multiple factors on AVN of femur head after the treatment of DDH, which can cause larger stress between the acetabular and the epiphysis of the femur head.

• 经过临床研究分析,发育性髋关节脱位治疗后的股骨头骨骺缺血性坏死是由多种因素引起的,髋臼与股骨头骺之间的机械压力过大,造成股骨头骺缺血性坏死。