全膝置换术后应力遮挡致骨量丢失的研究进展

被引:18
作者
蔡迅梓
严世贵
戴雪松
机构
[1] 浙江大学医学院附属第二医院骨科
关键词
D O I
暂无
中图分类号
R687.4 [关节手术];
学科分类号
100220 [骨科学];
摘要
<正> 人工全膝关节置换术后并发症较多,其中假体无菌性松动和假体旁骨折与假体周围骨量丢失紧密相关。骨量丢失的机制分为两类:一类为机械性,发生于术后早期,包括假体周围应力遮挡致骨质重塑、术中操作及骨水泥致骨损伤坏死、术后关节负重减少致废用性萎缩,其中以应力遮挡最主要;另一类为生物性,发生于术后晚期,指假体材料产生各种磨损颗粒作用于炎症细胞而释放大量炎性因子,激活破骨细胞致假体周围骨溶解。本文仅就使用影像学手段对全膝关节置换后应力遮挡致假体周围骨量丢失的研究进展及趋势作一综述。
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页码:1434 / 1436
页数:3
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