膝关节骨性关节炎全膝关节置换术后下肢力线与早期临床效果关系的研究

被引:40
作者
王波 [1 ]
胡海涛 [1 ]
潘健 [1 ]
简伟明 [2 ]
牛舜 [1 ]
龙华 [1 ]
马保安 [1 ]
机构
[1] 第四军医大学唐都医院骨科
[2] 解放军第医院医务处
关键词
膝关节; 骨性关节炎; 全膝关节置换术; 下肢力线; 膝关节活动度; AKS评分; HSS评分;
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
目的分析膝关节骨性关节炎全膝关节置换(TKA)术后下肢力线与早期临床效果之间的关系。方法回顾性分析自2014-01—2014-12行初次TKA的138例(203膝)膝关节骨性关节炎,摄下肢全长X线片(LLR)、测量手术前后胫骨股骨机械轴夹角(MFTA)、股骨远端外侧角(LDFA)、胫骨近端内侧角(MPTA)。采用术后膝关节活动度(ROM)、AKS评分、HSS评分评价TKA效果。将MFTA分为控制在2°以内组和3°以内组讨论下肢力线允许偏离中立位的范围,利用LDFA、MPTA与术后临床效果的关系分析术后下肢力线偏差的主要原因。结果采用3°作为衡量下肢力线的标准:-3°≤MFTA≤3°组术后AKS关节与功能评分、HSS评分高于MFTA>3°或MFTA<-3°组,差异有统计学意义(P<0.05);2组术后ROM差异无统计学意义(P>0.05)。采用2°作为衡量下肢力线的标准:-2°≤MFTA≤2°组与MFTA>2°或0.05)。分别以3°为标准对LDFA、MPTA进行分组,除术后ROM外,-3°≤LDFA≤3°组AKS关节和功能评分、HSS评分高于LDFA>3°或<-3°LDFA组,差异有统计学意义(P<0.05);-3°≤MPTA≤3°组与MPTA>3°或MPTA<-3°组术后ROM、AKS关节和功能评分、HSS评分差异无统计学意义(P>0.05)。结论传统TKA临床效果确切,下肢力线允许偏离中立位的范围为3°,即外翻3°~内翻3°,且引起术后下肢力线偏差的主要原因为股骨远端截骨不够精确。
引用
收藏
页码:1044 / 1048
页数:5
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