Synovectomy was done in 10, vascular implantation in 7, shelf operation in 3,Chiariosteotomy in 3 and adductor release in one.

• 保守治疗11髋，滑膜切除10髋，血管植入7髋，髋臼造盖3髋，髂骨截骨3髋，内收肌松解1髋。