Fracture of the polyethylene tibial post in a NexGen posterior-stabilized knee prosthesis.

Yen Shuo Chiu, Wei Ming Chen, Ching Kuei Huang, Chao Ching Chiang, Tain Hsiung Chen

研究成果: 雜誌貢獻文章同行評審

80 引文 斯高帕斯(Scopus)

摘要

We reported a case of fracture of a polyethylene tibial post in a 44-year-old woman after 3 years of NexGen posterior-stabilized total knee arthroplasty (Zimmer, Warsaw, IN). Burnishing and delamination of the polyethylene was found around the breakage site of the post, especially over the anterior aspect of the post base. It indicated that the possible failure mechanism was the repeated anterior impingement between the metal femoral cam and polyethylene tibial post. After replacement of the broken insert, the patient obtained complete relief of previous symptoms. To our knowledge, this is the first report of post breakage of a NexGen posterior-stabilized knee prosthesis.
原文英語
頁(從 - 到)1045-1049
頁數5
期刊The Journal of arthroplasty
19
發行號8
DOIs
出版狀態已發佈 - 12月 2004
對外發佈

ASJC Scopus subject areas

  • 骨科和運動醫學

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