Significantly Lower Wear of Ceramic-on-Ceramic Bearings Than Metal-on-Highly Cross-Linked Polyethylene Bearings: A 10- to 14-Year Follow-Up Study

The Journal of Arthroplasty
Yoshitoshi HiguchiNaoki Ishiguro

Abstract

This study aimed to retrospectively compare clinical and radiographic results between consecutive total hip arthroplasties (THAs) using ceramic on ceramic (CoC) and metal-on-highly cross-linked polyethylene (MoP), with >10 years of follow-up. Sixty-seven patients (52 women and 15 men) underwent CoC THA, whereas 81 (67 women and 14 men) underwent MoP THA. The average patient age at the time of surgery was 54.0 years in the CoC group and 54.2 years in the MoP group. The mean postoperative Harris Hip Scores were 88.9 and 86.4 in the CoC and MoP groups, respectively (P = .063), and the mean annual liner rates of wear were 0.0043 and 0.0163 mm/year, respectively (P < .001). Osteolysis was observed on the femoral side of 1 joint (1.5%) in the CoC group and in 1 (1.2%) acetabular and femoral (1.2%) joint each in the MoP group. Three joints (3.7%) in the MoP group showed aseptic cup loosening, one of which (1.2%) required revision THA because of progression of the loosening. Revision THA was also required in 1 joint (1.5%) in the CoC group because of ceramic fracture. The Kaplan-Meier survival rate at 10 years with implant loosening or revision THA as the end point was 98.5% for CoC and 96.3% for MoP (P = .416). The wear rate of CoC im...Continue Reading

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Oct 11, 2014·Acta Orthopaedica·Stuart A CallaryDonald W Howie

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Citations

Apr 24, 2018·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Yoshitoshi HiguchiNaoki Ishiguro
Dec 21, 2018·Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi·Shuhei MatsuiShinro Takai
Aug 1, 2020·Journal of Orthopaedic Surgery·Roger ErivanStéphane Boisgard
May 6, 2019·Cells, Tissues, Organs·Xingen ZhangGuiqian Chen

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