Management of failed metal-on-metal total hip arthroplasty  

作　　者：Justin W Griffin Michele D'Apuzzo James A Browne 

机构地区：[1]Department of Orthopaedic Surgery, University of Virginia Health System,400 Ray C Hunt Dr. Charlottesville,VA 22903, United States

出　　处：《World Journal of Orthopedics》2012年第6期70-74,共5页世界骨科杂志（英文版）

摘　　要：The theoretical advantages of metal-on-metal(MOM)bearing couples in total hip arthroplasty(THA) have been recently balanced by concerns regarding adverse local and systemic effects. Higher than anticipated early revision rates have been reported by several joint registries. Failed MOM hips present with a spectrum of symptoms and findings and traditional methods of failure must be considered in addition to the failure modes that appear to be unique to the MOM bearing couple. Metal hypersensitivity and soft tissue immune reactions remain incompletely understood and require careful ongoing study. The tools available to evaluate MOM THAs and the indications for revision surgery remain to be defined. Outcomes following revision of MOM hips appear to depend on appropriate evaluation, early identification, and appropriate surgical management.The theoretical advantages of metal-on-metal(MOM)bearing couples in total hip arthroplasty(THA) have been recently balanced by concerns regarding adverse local and systemic effects. Higher than anticipated early revision rates have been reported by several joint registries. Failed MOM hips present with a spectrum of symptoms and findings and traditional methods of failure must be considered in addition to the failure modes that appear to be unique to the MOM bearing couple. Metal hypersensitivity and soft tissue immune reactions remain incompletely understood and require careful ongoing study. The tools available to evaluate MOM THAs and the indications for revision surgery remain to be defined. Outcomes following revision of MOM hips appear to depend on appropriate evaluation, early identification, and appropriate surgical management.

关 键 词：Hip ARTHROPLASTY METAL-ON-METAL Revision joint ARTHROPLASTY PSEUDOTUMOR ASEPTIC lymphocyticvasculitis-associated lesions Metal HYPERSENSITIVITY 

分 类 号：R687.4[医药卫生—骨科学]