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金属对金属大直径股骨头全髋关节置换术治疗晚期股骨头坏死的近期疗效观察 被引量:3

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摘要 目的探讨金属对金属大直径股骨头全髋关节置换术的近期疗效。方法对本科于2006年2月至2008年4月行金属对金属大直径股骨头全髋关节置换术的晚期股骨头坏死14例(22髋)患者进行随访,并与同期16例(24髋)行金属对聚乙烯假体置换的患者进行对比,通过Harris髋关节评分系统、影像学评估及检测血铬浓度进行评价。结果所有患者均得到随访,平均随访时间3年(2~4.2年),金属对金属大头置换组患者的Harris评分由术前平均(38.27±11.56)分提高至术后随访时平均(89.86±8.39)分(P<0.05),患者髋关节活动度由术前平均(55.55±15.34)°提高至术后平均(120.91±9.47)°,关节功能明显改善(P<0.05),金属对聚乙烯假体置换组髋关节的Harris评分由术前的18~71分,平均(42.25±13.73)分提高至术后随访时的62~98分,平均(89.46±7.79)分(P<0.05),髋关节功能由术前平均(55.04±14.88)°提高至术后平均(96.00±8.30)°,关节功能明显改善(P<0.05),金属对金属大头置换组术后关节活动度明显优于金属对聚乙烯假体置换组(P<0.01),两组优良率比较无统计学差异(P>0.05),金属对金属大头置换组患者末次随访时平均血铬浓度为0.84μg/L(0.3~1.3μg/L),较正常参考值无明显升高,未发现因血铬浓度升高而导致的恶性肿瘤、迟发型超敏反应及无法解释的疼痛等情况。结论金属对金属大直径股骨头全髋关节置换术的近期疗效令人满意,术后患者髋关节的活动度明显优于金属对聚乙烯假体置换术,但有必要进行长期大样本的随访,以进一步了解其不良反应及远期效果。
出处 《中华临床医师杂志(电子版)》 CAS 2011年第21期6427-6430,共4页 Chinese Journal of Clinicians(Electronic Edition)
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同被引文献38

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