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CPAK分类检测到真正的膝关节顶部位置在不到一半的膝盖

Yavuz Şahbat^1,2, Te-Feng Arthur Chou^1,3, Jae-Sung An^1,4

¹Institute du Mouvement et de l'appareil locomoteur, Hôpital Sainte-Marguerite, Aix-Marseille Université, Marseille, France.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

|April 13, 2024

概括

膝关节冠状平面对齐 (CPAK) 分类可能不准确地评估膝关节关节斜线 (KJLO),一致性不到50%. 这可能会对手术规划和患者的结果产生负面影响.

科学领域:

整形外科手术整形外科手术
放射学放射学是一门学科.
生物机械分析分析

背景情况:

准确的膝关节直线评估对于膝关节手术至关重要.
膝关节斜线 (KJLO) 和膝关节冠状平面对齐 (CPAK) 是手术前规划和随访的关键放射测量.
KJLO评估膝盖与地面的相对位置,而CPAK根据骨和大腿骨的角度对关节线进行分类.

研究的目的:

确定KJLO和CPAK测量技术之间的一致性,以评估膝关节关节线.
评估这些放射性评估方法的可靠性和潜在差异.

主要方法:

一项横截面研究分析了164个健康膝盖的长腿站立放射图 (LSR).
两个观察员在8周内两次测量了四肢KJLO和CPAK分类JLO.
观察者内部和观察者间的可靠性使用类内相关系数 (ICC) 进行评估;逻辑回归分析了不一致的原因.

主要成果:

在CPAK分类中,只有42.7%的案例准确地确定了KJLO的顶级位置.
CPAK JLO子组在检测近道 (13.6%),中性 (20.4%),远方 (90.7%) 顶部位置 (p < 0.01) 中显示出显著的差异.
KJLO顶部位置 (近端,中立与远端) 是不一致测量的重要风险因素 (OR = 10.291,p < 0.01).

结论:

在定义KJLO顶部位置时,CPAK JLO测量技术可能会误导,其一致性不到50%.
CPAK有很高的倾向在不准确地预测近距离和中立顶点的位置.
这些差异可能会在临床实践和手术规划中对膝关节直线的评估产生负面影响.

关键词:

膝盖冠状平面对齐 (CPAK) 分类分类.联合直线方向角 (JLOA)膝关节关节线倾斜 (KJLO) 的情况机械对齐机械对齐中间靠近的骨角.

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