Why some hips squeak

By Maureen Leahy

In recent years, incidents of squeaking have been reported in patients with total hip arthroplasties (THA) using hard-on-hard (metal-on-metal or ceramic-on-ceramic) bearings. Although the phenomenon is not fully understood, the reasons for squeaking include implant-, patient-, and surgery-related factors.

A Review of Squeaking Hips,” in the June issue of the Journal of the AAOS (JAAOS), explores the factors that contribute to squeaking and the implications for patients. AAOS Now interviewed principal author William L. Walter, MBBS, FRACS, PhD, about the phenomenon.

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