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Sensitivity, repeatability and reproducibility study with a leg prototype of arecently developed knee arthrometer: The DYNEELAX®
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作者 Theo Cojean Cecile Batailler +1 位作者 Henri Robert Laurence Cheze 《Medicine in Novel Technology and Devices》 2023年第3期61-69,共9页
Sagittal knee laxity is often quantified using arthrometers. Adding rotational laxity and compliance measurementsis relatively new and could bring new information for anterior cruciate ligament (ACL) injury diagnosis.... Sagittal knee laxity is often quantified using arthrometers. Adding rotational laxity and compliance measurementsis relatively new and could bring new information for anterior cruciate ligament (ACL) injury diagnosis. TheDYNEELAX® is a new knee arthrometer able to evaluate simultaneously tibial translation and rotation. Thepurpose is to assess the sensitivity, reproducibility and repeatability of the DYNEELAX® with a prototype leg toprovide accurate instructions before using it in clinical practice. Sensitivity is studied by varying 7 parameters(positioning and sensors), and reproducibility by repeating measurement series with a group of two experiencedoperators and a group of two non-experienced operators. Repeatability is assessed throughout the study. Theresults showed that DYNEELAX® is poorly sensitive to the angle and the position of the displacement sensor, andthe angle of the rotation sensor. It is a bit sensitive to positioning of patella and ankle supports. It is very sensitiveto the tightening of the patella and ankle supports. It exists a significant difference only between groups (p <0.001), but there is no significant difference between the two experienced operators (p > 0.215), or between thetwo non-experienced operators (p > 0.229). Variation coefficients for intra-series are on average inferior to 5% fortranslation and rotation tests. Then, the DYNEELAX® presented encouraging results with a good accuracy and agood reliability but operators must be careful about positioning. 展开更多
关键词 DYNEELAX® arthrometer Anterior cruciate ligament LAXITY REPEATABILITY REPRODUCIBILITY Sensitivity
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KT2000定量分析单纯膝关节内侧副韧带损伤后关节稳定性变化 被引量:4
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作者 刘亮 蒋青 +2 位作者 陈东阳 徐志宏 翁文杰 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2008年第8期1073-1075,共3页
目的:评估内侧副韧带损伤后对膝关节前后稳定性的影响并介绍一种新的膝关节内侧副韧带损伤的诊断和疗效评价方法。方法:2003年1月~2008年1月,对收治的42例单纯膝关节内侧副韧带损伤患者,使用KT2000 Knee Ligament Arthrometer分别测量... 目的:评估内侧副韧带损伤后对膝关节前后稳定性的影响并介绍一种新的膝关节内侧副韧带损伤的诊断和疗效评价方法。方法:2003年1月~2008年1月,对收治的42例单纯膝关节内侧副韧带损伤患者,使用KT2000 Knee Ligament Arthrometer分别测量健患侧膝关节,得出其在15磅、20磅、30磅应力时胫骨股骨之间的移动距离,运用配对t-检验进行分析。结果:患侧与健侧在15磅、20磅时胫骨前移存在差异,差异有统计学意义(P<0.05),在30磅时胫骨的前移,15磅、20磅、30磅时胫骨后移均有非常显著差异,差异有统计学意义(P<0.01)。结论:膝关节内侧副韧带损伤后膝关节前后稳定性有所降低,且KT2000作为一种新的辅助手段用于膝关节内侧副韧带损伤的诊断和疗效评价,方法简单,结果可靠。 展开更多
关键词 膝损伤 膝关节 内侧副韧带 诊断 KT2000 KNEE LIGAMENT arthrometer
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KT2000测量膝关节后交叉韧带损伤后关节稳定性变化及测量值分析(附32例报告) 被引量:2
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作者 刘亮 蒋青 +3 位作者 陈东阳 徐志宏 邱旭升 翁文杰 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第12期1758-1760,共3页
目的:测量后交叉韧带损伤对膝关节后稳定性的影响并据此提出汉族人群膝关节后交叉韧带损伤后采用KT2000诊断的参考标准。方法:2003年1月~2008年6月,收治的91例膝关节后交叉韧带损伤患者中,使用KT2000Knee LigamentArthrometer分别测量... 目的:测量后交叉韧带损伤对膝关节后稳定性的影响并据此提出汉族人群膝关节后交叉韧带损伤后采用KT2000诊断的参考标准。方法:2003年1月~2008年6月,收治的91例膝关节后交叉韧带损伤患者中,使用KT2000Knee LigamentArthrometer分别测量健患侧膝关节,对符合入选条件者32例,得出其在15、20、30磅应力时胫骨股骨之间的前后移动距离,运用配对t检验进行分析,并通过关节镜手术中视野观察来确诊以统计其诊断准确率。结果:患侧与健侧在15、20磅时胫骨前移,20磅时胫骨后移均存在差异,差异有统计学意义(P<0.05);30磅时胫骨前后移存在显著差异,差异有统计学意义(P<0.01)。且30磅应力胫骨后移时,95%患者健患侧差异值>1.40mm。结论:膝关节后交叉韧带损伤后膝关节后稳定性降低,且KT2000作为一种新的辅助手段用于膝关节后交叉韧带损伤的诊断和疗效评价,提出诊断参考值为30磅应力时胫骨后移差异(>1.40)mm。 展开更多
关键词 膝损伤 膝关节 后交叉韧带 诊断 KT2000 KNEE LIGAMENT arthrometer
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