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. 2021 Jan 3;2(1):16-21.
doi: 10.1302/2633-1462.21.BJO-2020-0171.R1. eCollection 2021 Jan.

An epidemiological analysis of revision aetiologies in total hip arthroplasty at a single high-volume centre

Benjamin Kerzner  1 , Kyle N Kunze  2 , Michael B O'Sullivan  1 , Karan Pandher  1 , Brett R Levine  1
Affiliations

An epidemiological analysis of revision aetiologies in total hip arthroplasty at a single high-volume centre

Benjamin Kerzner et al. Bone Jt Open. .

Abstract

Aims: Advances in surgical technique and implant design may influence the incidence and mechanism of failure resulting in revision total hip arthroplasty (rTHA). The purpose of the current study was to characterize aetiologies requiring rTHA, and to determine whether temporal changes existed in these aetiologies over a ten-year period.

Methods: All rTHAs performed at a single institution from 2009 to 2019 were identified. Demographic information and mode of implant failure was obtained for all patients. Data for rTHA were stratified into two time periods to assess for temporal changes: 2009 to 2013, and 2014 to 2019. Operative reports, radiological imaging, and current procedural terminology (CPT) codes were cross-checked to ensure the accurate classification of revision aetiology for each patient.

Results: In all, 2,924 patients with a mean age of 64.6 years (17 to 96) were identified. There were 1,563 (53.5%) female patients, and the majority of patients were Caucasian (n = 2,362, 80.8%). The three most frequent rTHA aetiologies were infection (27.2%), aseptic loosening (25.2%), and wear (15.2%). The frequency of rTHA for adverse local tissue reaction (ALTR) was significantly greater from 2014 to 2019 (4.7% vs 10.0%; p < 0.001), while the frequency of aseptic loosening was significantly greater from 2009 to 2013 (28.6% vs 21.9%; p < 0.001).

Conclusion: Periprosthetic joint infection was the most common cause for rTHA in the current cohort of patients. Complications associated with ALTR necessitating rTHA was more frequent between 2014 to 2019, while aseptic loosening necessitating rTHA was significantly more frequent between 2009 to 2013. Optimizing protocols for prevention and management of infection and ALTR after THA may help to avoid additional financial burden to institutions and healthcare systems.Cite this article: Bone Joint Open 2020;2(1):16-21.

Keywords: Epidemiology; Hip Arthroplasty; Periprosthetic Infection; Revision.

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