Why do we need a national joint replacement registry in the United States?

The continually increasing number of total hip arthroplasties (THAs) being performed, in conjunction with the rapid growth in new surgical techniques and implants related to THA, warrants ongoing and objective monitoring of results. National joint replacement registries have become powerful surveillance systems for monitoring contemporary THAs and improving outcomes. Despite the compelling evidence of their benefits, such a registry has yet to be established in the United States. In this article, we provide a rationale for implementing a national joint replacement registry in the United States.