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首页> 外文期刊>The Journal of arthroplasty >Metal Ion Levels and Functional Results Following Resurfacing Hip Arthroplasty Versus Conventional Small-Diameter Metal-on-Metal Total Hip Arthroplasty, a 3 to 5 year Follow-Up of a Randomized Controlled Trial
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Metal Ion Levels and Functional Results Following Resurfacing Hip Arthroplasty Versus Conventional Small-Diameter Metal-on-Metal Total Hip Arthroplasty, a 3 to 5 year Follow-Up of a Randomized Controlled Trial

机译：髋关节置换术与常规小直径金属对金属全髋关节置换术进行表面置换后的金属离子水平和功能结果，一项随机对照试验的3到5年随访

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摘要

We present an update of a randomized controlled trial on 71 patients (<65 years) who received either a resurfacing hip arthroplasty (RHA) (n = 38) or cementless 28 mm metal-on-metal (MOM) total hip arthroplasty (THA) (n = 33). Metal ion levels and functional outcome scores were analyzed with a mean follow-up of 58 months (SD 8.1). No clear shifts in relatively good outcome was encountered between RHA and THA. Metal ion levels appear to equalize between groups after 3 years. Median cobalt and chromium remained below 1.3 mu g/L throughout follow-up in both groups. Six revisions were performed, of which three for pseudotumor formation (one THA, two RHA). In conclusion there were no clinical differences between the two groups and metal ion levels were lower than other series remained low, however, pseudotumor formation was not eliminated. (C) 2014 Elsevier Inc. All rights reserved.
机译：我们提供了一项针对71例（<65岁）患者的随机对照试验的最新信息，这些患者接受了髋关节置换术（RHA）（n = 38）或非骨水泥28 mm金属对金属（MOM）全髋关节置换术（THA） （n = 33）。对金属离子水平和功能预后评分进行了58个月的平均随访（SD 8.1）。 RHA和THA在相对较好的结局方面未见明显变化。 3年后，各组之间的金属离子水平似乎相等。两组随访中钴和铬的中位数均保持在1.3μg / L以下。进行了六次修订，其中三项针对假瘤形成（一项THA，两项RHA）。结论两组之间无临床差异，金属离子水平低于其他系列，但仍未消除假瘤的形成。 （C）2014 Elsevier Inc.保留所有权利。

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