Objective To evaluate the clinical sig ni ficance of insulin-like growth factor 1 (IGF-1) in developmental dislocation o f hip ( DDH) with avascular necrosis of femeral head .

• 目的观察血清胰岛素样生长因子-1(Insulin-likeGrowthFactor-1,IGF-1)在发育性髋关节脱位(developmentaldislocationofhip,DDH)保守治疗中并发股骨头无菌性坏死时的变化和早期诊断意义。