Ceramic liner fracture and impingement in total hip arthroplasty

HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery
Amy SteinhoffSteven N Copp

Abstract

Ceramic-on-ceramic bearing surfaces were developed to provide an alternate to metal-on-polyethylene to decrease wear-induced osteolysis in total hip arthroplasty patients. In an effort to decrease the risk of ceramic acetabular component fracture or damage during implantation, a raised metal rim was added. How many fractures or impingements have occurred in our population of patients with ceramic liners with raised rims? With IRB-approved consent, a case series was reviewed from a single center registry and 4 of 169 patients were identified who had revision hip surgery with the ceramic liner with a raised metal rim: one for ceramic liner fracture and three for metallosis, pain, and squeaking. Implant alignment and operative findings were reviewed. One ceramic liner fracture and three cases of metallosis from impingement of the femoral neck on the posterior elevated metal rim of the acetabular liner were observed at revision. The femoral neck in each patient had a divot that corresponded to a divot in the posterosuperior liner rim. Three of the four patients had audible squeaking or clicking prior to revision. A total of 3% of patients in this series had clinically significant impingement with this implant type. Acoustic phenome...Continue Reading

References

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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
Sep 27, 2018·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Takeshi SekiKengo Yamamoto
Dec 4, 2020·The Journal of Bone and Joint Surgery. American Volume·Sunhyung LeeHee Joong Kim
Feb 13, 2021·The Journal of Arthroplasty·Kwong-Yin ChungKevin Ki-Wai Ho

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Methods Mentioned

BETA
total hip arthroplasty
chips

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