目的 探讨基于髋关节造影指导闭合复位治疗发育性髋关节脱位（DDH）患儿的效果。方法 回顾性选取2018年2月—2020年2月期间65例DDH患儿,按照是否通过髋关节造影指导进行闭合复位治疗分为对照组33例,给予常规闭合复位治疗,观察组32例在对照组基础上给予髋关节造影指导,观察两组临床疗效、髋关节稳定情况以及髋关节再脱位率、切开复位率以及股骨头坏死情况。结果 治疗后1年,观察组优良率（93.74%）高于对照组（75.76%, P<0.05）;观察组前倾角和髋臼指数（AI）均低于对照组（P<0.05）;观察组髋关节再脱位率（6.25%）低于对照组（27.27%）,髋关节切开复位率（0.00%）低于对照组（18.18%）,股骨头坏死（3.13%）低于对照组（24.24%）,P<0.05。结论 基于髋关节造影指导闭合复位治疗DDH患儿可提高髋关节稳定性和治疗效果,减少髋关节再脱位以及切开复位。

Objective To investigate the effect of hip arthrography-guided closed reduction on developmental dysplasia of the hip （DDH）. Methods We retrospectively selected 65 children with DDH from February 2018 through February 2020, and assigned 33 cases into the control group with conventional closed reduction treatment and 32 cases into the observation group with hip arthrography-guided closed reduction. Clinical efficacy, hip joint stability, hip joint re-dislocation rate, open reduction rate, and femoral head necrosis were observed in the two groups. Results One year after treatment, the excellent and good recovery rate （93.74%） of the observation group was higher than that of the control group （75.76%, P<0.05）; the anteversion angle of femur and the acetabular index （AI） of the observation group were lower than those of the control group （P<0.05）; the rate of hip re-dislocation, the rate of hip joint open reduction, and the rate of femoral head necrosis （6.25%, 0.00%, and 3.13% respectively） of the observation group were lower than those of the control group （27.27%, 18.18%, and 24.24% respectively） （P<0.05）. Conclusion Closed reduction guided by hip arthrography for the treatment of DDH in children can improve stability of the hip joint and treatment effect, and reduce re-dislocation of the hip joint and open reduction.