Fifteen-Year Results of Total Hip Arthroplasty With Cobalt-Chromium Femoral Heads on Highly Cross-Linked Polyethylene in Patients 50 Years and Less

The Journal of Arthroplasty
Richard D RamesJohn C Clohisy

Abstract

Highly cross-linked polyethylene (HXLPE) is the most commonly used bearing surface in total hip arthroplasty (THA) because of its superior wear properties, but long-term results in young patients are limited. Mid-term survivorship has been promising; however, polyethylene wear rates and need for revision surgeries remain a concern in this population. The purpose of our study is to investigate polyethylene wear rates, implant survivorship, wear-related revisions, and patient-reported outcomes in a young patient cohort at 15-year follow-up. We performed a retrospective study of a prospective longitudinal cohort of 82 consecutive patients (89 hips) who underwent primary THA with an HXLPE acetabular liner and a cobalt-chromium femoral head. The mean age at the time of surgery for the cohort was 38.8 years (range 12-50). All patients received HXLPE liners with a cementless acetabular component coupled with a cobalt-chrome femoral head through a posterior approach with a cementless femoral component. All components were from a single manufacturer. We recorded University of California, Los Angeles Activity, and modified Harris Hip Scores. Wear calculations were made using the Martell Hip Analysis Suite (Version 8.0.4.3). At average 15...Continue Reading

Citations

Dec 1, 2019·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Feng LiuWenhua Du
May 16, 2020·SICOT-J·Jean Langlois, Moussa Hamadouche
Sep 10, 2020·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Catherine Van Der Straeten
Oct 1, 2019·The Journal of Bone and Joint Surgery. American Volume·Mengnai Li, Andrew Glassman
Sep 20, 2020·The Journal of Arthroplasty·Richard D RamesJohn C Clohisy
Apr 1, 2021·Morphologie : Bulletin De L'Association Des Anatomistes·D HutenJ C Lambotte
May 14, 2021·JBJS Reviews·Amit ParekhMark Gonzalez
Oct 2, 2021·Clinical Orthopaedics and Related Research·David G Campbell, Stuart A Callary

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