Late Dislocations After Total Hip Arthroplasty: Is the Bearing a Factor?

The Journal of Arthroplasty
Siddharth M ShahRichard Noel de Steiger

Abstract

Dislocation is a leading cause of revision after primary total hip arthroplasty (THA). Although more common in the first few years after the procedure, dislocation can occur at any time. This study investigated the difference in late dislocation in ceramic-on-ceramic (CoC) bearings compared with metal-on-polyethylene and ceramic-on-polyethylene bearings in THA. Data were used from the Australian Orthopaedic Association National Joint Replacement Registry, and the cumulative percent revision for dislocation was estimated using the Kaplan-Meier method for the different bearing surfaces. There were 192,275 THAs included in the study with 101,915 metal-on-cross-linked polyethylene (MoXLPE), 30,256 ceramic-on-cross-linked polyethylene (CoXLPE), and 60,104 CoC. The cumulative percent revision for dislocation at 13 years for MoXLPE, CoXLPE, and CoC groups was 1.2 (95% confidence interval [CI], 1.1-1.3), 1.0 (95% CI, 0.7-1.4), and 0.9 (95% CI, 0.8-1.1), respectively. There was an increased risk of revision for dislocation for MoXLPE compared with CoXLPE and CoC. When stratified for head size, there was no difference in the risk of revision for dislocation between MoXLPE, CoXLPE, and CoC in the 28- and 32-mm head sizes. With a head size...Continue Reading

Citations

Sep 14, 2018·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Simo S A MiettinenVille Remes
Jun 6, 2020·Scandinavian Journal of Surgery : SJS : Official Organ for the Finnish Surgical Society and the Scandinavian Surgical Society·Valtteri J PanulaKeijo T Mäkelä
Jul 1, 2020·The Bone & Joint Journal·Charles A EnghRobert H Hopper
Jun 29, 2018·EFORT Open Reviews·Georgios TsikandylakisOla Rolfson
May 29, 2019·Clinical Orthopaedics and Related Research·Adrian BauzeRichard de Steiger
Aug 15, 2019·Experimental and Therapeutic Medicine·Yian LuFeng Xue
Dec 4, 2020·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Fabio D'AngeloGiuseppe Solarino
Jan 7, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Guillaume-Anthony OdriPascal Bizot
Mar 10, 2021·Archives of Orthopaedic and Trauma Surgery·Anna Jungwirth-WeinbergerFriedrich Boettner
Mar 27, 2021·Journal of Orthopaedic Surgery and Research·Sheng-Yu JinKyung-Soon Park
May 13, 2020·Journal of Orthopaedics·Siddharth M Shah
Sep 16, 2021·Journal of Materials Science. Materials in Medicine·Francesco CastagniniFrancesco Traina

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