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BMJ Open:血钴浓度高或可预示髋关节置换失败

2013-04-10 杜卉 编译 中国医学论坛报

    英国一项研究显示,血钴浓度升高与继发于金属碎屑所致不良反应的金属对金属(MoM)髋关节表面置换早期失败相关。论文3月12日在线发表于《英国医学杂志》(BMJ Open)。   该队列研究共纳入278例患者,结果为,血钴浓度是关节置换失败的显著危险因素(z=8.44,P=2×10-16),血钴浓度>20 μg/L常与骨质溶解相关(图2)。考克斯比例风险模型分

血钴浓度高或可预示髋关节置换失败
 

  英国一项研究显示,血钴浓度升高与继发于金属碎屑所致不良反应的金属对金属(MoM)髋关节表面置换早期失败相关。论文3月12日在线发表于《英国医学杂志》(BMJ Open)。

  该队列研究共纳入278例患者,结果为,血钴浓度是关节置换失败的显著危险因素(z=8.44,P=2×10-16),血钴浓度>20 μg/L常与骨质溶解相关(图2)。考克斯比例风险模型分析显示,男性发生关节置换失败的风险较女性低66%(z=-2.29429,P=0.0218)。女性患者发生软组织损伤的情况似乎更复杂;当暴露于同等金属碎屑水平的环境下,行关节表面置换术(ASR)的患者似乎发生关节置换失败的风险更高。

关节置换相关的拓展阅读:

原文阅读:Metal Ions Point to MoM Hip Failure
Cobalt ion levels in blood were significantly higher in asymptomatic patients who later needed revision of two types of metal-on-metal hip replacement, suggesting that a screening program based on metal ion testing would be valuable, researchers said.
Among patients receiving hip resurfacing systems made by Smith & Nephew or the DePuy unit of Johnson & Johnson at one British hospital, blood cobalt levels following implantation were strongly correlated with subsequent risk of revision in both men and women (z=8.44, p=2×10-16), reported David Langton, MRCS, of the University Hospital of North Tees in Middlesbrough, England, and colleagues....

    

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    2013-10-02 gaoxiaoe
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    2013-08-26 feather89
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    2014-01-07 yxch48
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