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Contemporary alumina-on-alumina total hip arthroplasty performed in patients younger than forty years: a 5-year minimum follow-up study

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Authors
Yoo, Jeong Joon; Kim, Young-Min; Yoon, Kang Sup; Koo, Kyung-Hoi; Kim, Jong Won; Nam, Kwang Woo; Kim, Hee Joong
Issue Date
2006
Publisher
John Wiley & Sons
Citation
J Biomed Mater Res B Appl Biomater 2006;78:70-75
Keywords
aluminaarthroplastybearing surfacesclinicalfracture
Abstract
Ceramic-on-ceramic bearing surfaces in total hip arthroplasties (THAs) are an attractive alternative coupling and may offer a promising option for young active patients. We evaluated the clinical results of 72 contemporary primary cementless alumina-on-alumina THAs performed in 61 patients younger than 40 years (mean age, 30 years), after a 5-year minimum follow-up. Most patients (97%) were able to return to their prearthritic activity levels, and none changed occupation because of a postoperative hip joint problem. No implant loosened radiographically and no stem or cup was revised. Ceramic wear was undetectable in 24 hips, where differentiation of the femoral head from the cup was possible on radiographs and no osteolysis was observed. One ceramic fracture following a major motor vehicle accident and a recurrent subluxation-associated ceramic liner edge fracture attributed to inadequate hip muscle tone occurred. We believe that this alternative articulation offers a promising option for young active patients. However, our findings also suggest that contemporary ceramic implant fracture is not a potential, but a real danger. Careful preoperative patient evaluation, proper indications for ceramic bearings, and meticulous surgical techniques are recommended to minimize the possibility of modern ceramic failure.
ISSN
1552-4973 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=16506182

http://hdl.handle.net/10371/10901
DOI
https://doi.org/10.1002/jbm.b.30457
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College of Medicine/School of Medicine (의과대학/대학원)Orthopedic Surgery (정형외과학전공)Journal Papers (저널논문_정형외과학전공)
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