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Published in: BMC Musculoskeletal Disorders 1/2020

Open Access 01-12-2020 | Hip-TEP | Case report

Early failure for wear after ceramic-on-highly cross-linked polyethylene total hip arthroplasty: a case report

Authors: Chenkai Li, Haining Zhang

Published in: BMC Musculoskeletal Disorders | Issue 1/2020

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Abstract

Background

Highly cross-linked polyethylene (HXLPE) enhances the anti-wear characteristics of the conventional polyethylene (PE). Early failure for wear after ceramic-on-highly cross-linked polyethylene (CoHXLPE) total hip arthroplasty (THA) is extremely rare.

Case presentation

We described the case of a 60-year-old man who underwent right CoHXLPE THA because of the developmental dysplasia hip (DDH) complained pain 32 months after this procedure. Plain radiographs showed that eccentric wear existed at the polyethylene insert. However, the patient refused surgery at that time and did not stop weight-bearing. The right hip pain continued for 7 months. Plain radiographs of the pelvis showed that the HXLPE liner was penetrated and partial inner wall of acetabular shell was worn. Acetabular cup revision was performed, and the ceramic head and HXLPE were exchanged.

Conclusions

Difficult reduction during primary THA, especially for DDH, can result in higher abductor tension, which may lead to early eccentric wear of the prosthesis. Whenever eccentric wear of HXLPE liner was found, weight-bearing must be stopped to avoid the accelerated wear and adverse reactions to metal debris (ARMD).
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Metadata
Title
Early failure for wear after ceramic-on-highly cross-linked polyethylene total hip arthroplasty: a case report
Authors
Chenkai Li
Haining Zhang
Publication date
01-12-2020
Publisher
BioMed Central
Keywords
Hip-TEP
Hip-TEP
Published in
BMC Musculoskeletal Disorders / Issue 1/2020
Electronic ISSN: 1471-2474
DOI
https://doi.org/10.1186/s12891-020-03697-1

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