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. 2010 Sep;468(9):2340-5.
doi: 10.1007/s11999-009-1223-x.

Natural history of squeaking after total hip arthroplasty

Camilo Restrepo  1 , Wadih Y Matar, Javad Parvizi, Richard H Rothman, William J Hozack
Affiliations

Natural history of squeaking after total hip arthroplasty

Camilo Restrepo et al. Clin Orthop Relat Res. 2010 Sep.

Abstract

Background: In recent years, a number of alternative bearing surfaces, such as ceramic on ceramic, are being used in THA. Squeaking after THA is a recently recognized complication; however, its incidence is unknown.

Questions/purposes: Find the incidence of squeaking; when it ensues; activities associated to squeaking; its natural history, and outcome of revisions for squeaking.

Methods: A prospective observational study between 2002 and 2007; yield 1486 ceramic-on-ceramic THA performed at our institution. All patients were followed up by office visits or by phone, to obtain information regarding squeaking, pain and function. Minimum followup was 2.5 years (mean, 5.5 years; range, 2.5-7.9 years).

Results: Ninety-five of the 1486 hips (6%) developed squeaking after THA, 39 females (44%) and 49 males (56%) with an average age of 49.9 years. Squeaking began on average 19.7 months after surgery but not associated with pain or functional impairment in any patient. Squeaking could be heard during walking (38%), ascending stairs (24%), bending forward (21%), and other activities (18%), was constant in 26% of the patients and intermittent in 74%. The intensity and frequency remained similar over time in 70% of the patients.

Conclusions: Squeaking is a real phenomenon that occurred in about 6% of our patients. The etiology for this problem remains elusive and is likely to be multifactorial in nature. Squeaking, when developed, does not seem to be self-limited and persists in the majority. Nine patients underwent revision arthroplasty for squeaking. No fractures or other implant-related issues were observed.

Level of evidence: Level II, prognostic study. See the Guidelines for Authors for a complete description of levels of evidence.

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