What question did this study set out to answer?

This study aims to compare long-term outcomes of highly cross-linked polyethylene (HXLPE) and conventional polyethylene (CPE) in total hip arthroplasty.

May 16, 2026Orthopaedic Proceedings

Excellent Long-Term Outcomes at 20 Years for Highly Cross-Linked Polyethylene Compared to Conventional Polyethylene in Total Hip Arthroplasty

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Authors

RMRichard McCaldenWestern University WJWinston JinWestern University ACAaron ChenLondon Health Sciences Centre

Discussion

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Implication

Retrospective review compares implant survivorship and clinical outcomes in patients using HXLPE or CPE liners, suggesting advantages for HXLPE.

Key Points

This study aims to compare long-term outcomes of highly cross-linked polyethylene (HXLPE) and conventional polyethylene (CPE) in total hip arthroplasty.
Retrospective review of patients under 65 who underwent primary THA using HXLPE or CPE liners between 2000 and 2003.
Identified 331 hips in 282 patients: 117 CPE and 214 HXLPE implants with a mean follow-up of 17 to 18 years.
At 20 years, survivorship free from all-cause revision was 94% for HXLPE and 65% for CPE (HR = 0.184, p < 0.001).
For polyethylene wear-related revision, survivorship was 100% for HXLPE and 77% for CPE (HR = 0.006, p = 0.014).
Modified Harris hip score was higher in the HXLPE group (81 vs. 76, p = 0.03) with no wear-related revisions in the HXLPE group.

Cite This Study

McCalden et al. (2026) studied this question.

synapsesocial.com/papers/6a080a5aa487c87a6a40c3a9 https://doi.org/10.1302/1358-992x.2026.4.048

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Implication

Retrospective review compares implant survivorship and clinical outcomes in patients using HXLPE or CPE liners, suggesting advantages for HXLPE.

Excellent Long-Term Outcomes at 20 Years for Highly Cross-Linked Polyethylene Compared to Conventional Polyethylene in Total Hip Arthroplasty

Discussion

Member takes

Implication

Key Points

Cite This Study

Excellent Long-Term Outcomes at 20 Years for Highly Cross-Linked Polyethylene Compared to Conventional Polyethylene in Total Hip Arthroplasty

Discussion

Member takes

Implication

Key Points

Cite This Study

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