异体皮质骨桥接技术在人工髋关节股骨侧翻修中的应用

被引:4
作者
吴浩波 [1 ]
严世贵 [1 ]
吴立东 [1 ]
何荣新 [1 ]
戴雪松 [1 ]
王祥华 [1 ]
潘宏武 [1 ]
机构
[1] 浙江大学医学院附属第二医院骨科
关键词
关节成形术; 置换; 髋; 再手术; 治疗结果;
D O I
暂无
中图分类号
R686 [筋腱、韧带、滑囊疾病及损伤];
学科分类号
1002 ; 100210 ;
摘要
目的评价大段异体皮质骨桥接(onlay)技术在人工髋关节股骨侧翻修术中的临床应用情况。方法自2000年1月,共23例(23侧)髋假体翻修手术中采用了新鲜冷冻异体皮质骨板的桥接技术。手术时患者平均年龄(66.3±6.5)岁。翻修原因:17例为假体无菌性松动,6例为假体松动伴假体周围骨折。根据AAOS骨缺损分型标准:Ⅱ型6例,Ⅲ型11例,Ⅵ型6例。骨缺损严重度均为Ⅲ度。患者接受临床评估,包括Harris评分、疼痛度视觉模拟评分(visualanaloguescale,VAS)和满意度VAS。放射学评估假体的稳定性、下沉情况及移植骨的愈合和吸收情况。结果术后平均随访4.2年,未出现假体失败再翻修。Harris评分由术前平均(32.7±15.5)分上升到术后平均(76.7±9.2)分。疼痛度VAS由术前平均(44.2±12.4)分降为终末随访时的平均(14.5±5.1)分,19例疼痛评分<20分,优良率82.6%。满意度VAS平均为(76.8±9.2)分,其中14例评分>80分,优良率为60.9%。放射学结果显示仅1例非骨水泥型假体翻修为纤维连接,2例骨水泥型假体翻修为可疑松动。所有31块移植骨和宿主骨间均获得桥接愈合,24块异体骨出现轻度边缘吸收。结论大段异体皮质骨的桥接技术可以成功应用于髋关节股骨侧Ⅱ、Ⅲ、Ⅵ型骨缺损的翻修,具有力学支持和恢复骨量的效果,但须注意移植骨和假体的选择。
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