前交叉韧带损伤对膝关节侧副韧带影响的运动还原在体稳定性研究 |
| |
引用本文: | 李凭跃,尹庆水,黄华扬,李鉴轶,沈洪园,王泽锦,王庆. 前交叉韧带损伤对膝关节侧副韧带影响的运动还原在体稳定性研究[J]. 中华创伤骨科杂志, 2010, 12(7). DOI: 10.3760/cma.j.issn.1671-7600.2010.07.015 |
| |
作者姓名: | 李凭跃 尹庆水 黄华扬 李鉴轶 沈洪园 王泽锦 王庆 |
| |
作者单位: | 1. 广州军区广州总医院全军创伤骨科中心,510010 2. 南方医科大学广东省重点生物力学实验室 |
| |
摘 要: | 目的 对前交叉韧带(ACL)损伤膝关节侧副韧带长度变化进行运动还原在体稳定性研究.方法 2008年1月至6月收治8例单侧膝关节ACL断裂而对侧膝关节止常的患者,男6例,女2例;平均年龄25.3岁;在生理负重膝关节屈曲0°、15°、30°、60°和90°时采集相互垂直的二维(2D)图像,与三维CT(3D)图像在虚拟X线投射系统进行2D/3D图像配准,还原膝关节不同角度时股骨和胫骨的相对三维位置关系,并通过韧带止点还原的方法对内侧副韧带(MCL)、外侧副韧带(LCL)进行韧带长度分析,对比两侧膝关节侧副韧带的长度差异.结果 ACL损伤后在0°、15°和30°患膝MCL长度分别为(40.16±1.63)、(39.11±1.77)、(37.86±1.84)mm,健膝分别为(38.17±1.40)、(37.63±1.37)、(36.60±1.86)mm,健、患膝比较差异均有统计学意义(P<0.05);ACL损伤后在0°、15°和30°患膝LCL长度分别为(50.23±1.18)、(50.30±1.68)、(49.26±1.67)mm,健膝分别为(52.56±1.64)、(52.30±1.48)、(51.83±1.77)mm,健、患膝比较差异均有统计学意义(P<0.05).ACL损伤后60°和90°健、患膝MCL、LCL长度差异均无统计学意义(P>0.05).结论 通过2D/3D图像配准技术可以实现膝火节的运动还原并获得ACL损伤后生理屈曲过程中MCL和LCL的长度变化规律.在0°、15°和30°,ACL损伤后患膝MCL长度较健膝增加,而LCL长度较健膝缩短.
|
关 键 词: | 膝关节 前交叉韧带 侧副韧带 稳定性测试 |
Effect of anterior cruciate ligament injury on lengths of knee collateral ligaments |
| |
Abstract: | Objective To study the effect of anterior cruciate ligament(ACL)injury on lengths of the medial collateral ligament(MCL)and the lateral collateral ligament(EEL)at weightbearing flexion by the technique of 2D/3D registration. Methods Eight volunteers with unilateral ACL rupture and a normal cantralateral knee were enrolled in this study.Their CT(3D)images and 2D orthogonal images of the knee were taken at weightbearing flexions of 0,15°,30°,60°and 90°.These orthogonal images were used to recreate the in vivo knee positions at each of the targeted flexion angles by the method of 2D/3D registration.The lengths of MCL and LCL were measured and compared through recreation of the bone insertions of MCL/LCL. Results At 0,15 and 30 degrees,the mean MCL lengths of the ACL injured knee were respetively(40.16±1.63),(39.1 1±1.77)and(37.86±1.84)mm,longer than those of a normal knee (38.17±1.40),(37.63±1.37)and(36.60±1.86)mm.But the mean LCL lengths of the ACL injured knee were respectively(50.23±1.18),(50.30±1.68)and(49.26±1.67)mm,shorter than those of a normal knee(52.56±1.64),(52.30±1.48)and(51.83±1.77)mm.All the difierences were statistically significant(P<0.05). Conclusions We can measure the in vivo lengths of MCL and LCL of an ACL injured knee by the technique of 2D/3D registration.At 0,15°and 30°,the MCL length of an ACL injured knee is longer than that of a normal knee,but the LCL length of an ACL injured knee is shorter than that of a normal knee. |
| |
Keywords: | Knee joint Anterior cruciate ligament Collateral ligaments Stability test |
本文献已被 万方数据 等数据库收录! |
|