Incidence of 'squeaking' after ceramic-on-ceramic total hip arthroplasty.
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ABSTRACT: Unlabelled
The incidence of hip "squeak" associated with ceramic-on-ceramic bearings has been variably reported, ranging from 0.7% to 20.9%. We determined the patients' perception of squeaking in 306 patients (336 hips) in whom ceramic-on-ceramic total hip arthroplasties (THAs) were performed between 1997 and 2005. A questionnaire regarding hip noise was obtained by telephone. With a minimum followup of 2 years (mean, 3.9 years; range, 2-10 years), 290 patients (320 or 95% of the THAs) completed the questionnaire. Patients reported hip noise in 55 of the 320 THAs (17%); noise was perceived as squeak in 32 of the 320 (10%). Most squeaking hips (29 of 32) were pain-free and symptom-free. One patient was unhappy with his squeaking hip without pain. Our data suggest a much higher incidence of squeak as perceived by patients than previously reported.Level of evidence
Level II, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.
SUBMITTER: Mai K
PROVIDER: S-EPMC2806984 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:BackgroundSqueaking is a known complication of ceramic-on-ceramic (CoC) total hip arthroplasty (THA), yet there is a lack of studies specifically quantifying its loudness. The aims of this study were: (1) to determine the incidence of squeaking in CoC THAs at long-term follow-up; (2) to identify risk factors; and (3) to quantify the loudness of the squeaking.MethodsA specifically designed prospective questionnaire was used to determine the prevalence, characteristics, and loudness of squeaking in 130 (110 patients) primary THAs with fourth-generation CoC bearings at a mean follow-up of 10.5 years. The loudness of the squeaking was determined by the decibel (dB) scale from the Centers for Disease Control and Prevention.ResultsOverall, 28% of the CoC hips experienced squeaking. The mean onset was 5.7 years postoperatively, with 39% of the cases having their onset more than 5 years after their THA. Patients with a lower body mass index were more likely to report squeaking (P = .009). The mean loudness of the squeak was 35 dB (range, 10-70 dB) and was loud in 36% of the hips. Patients who developed squeaking early postoperatively had louder squeaking than those with a later onset (P = .007). The loudness of the squeaking sound progressed in 25% of the cases, and these hips had louder squeaking (P = .04).ConclusionsSqueaking after CoC THA is not uncommon, can be relatively loud, and increases over time. This needs to be considered in young patients that are candidates for CoC THAs.
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