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在腰部疼痛患者和对照者之间,脊椎间盘的不同负载诱导的变化:T2-map研究

Leif Torén^1,2, Kerstin Lagerstrand^2,3, Christian Waldenberg^2,3

¹Department of Radiology, Sahlgrenska University Hospital, Gothenburg, Sweden.

|May 16, 2024

概括

与对照人群相比,腰部脊椎间盘 (IVD) 中的腰部脊椎间盘的负载诱导反应发生变化. 这些IVD中的生物力学差异不仅仅是由于退化,这表明LBP患者有不同的表型.

科学领域:

生物医学工程生物医学工程
放射学放射学是一门学科.
整形外科整形外科整形外科

背景情况:

T2映射MRI量化了椎间盘 (IVD) 的组成和完整性.
以前的研究表明,腰部疼痛 (LBP) 患者和对照者之间存在负载诱导的T2-地图差异.
需要进行更大规模的研究,以了解LBP患者的特定IVD变化.

研究的目的:

为了研究负载诱导对腰部IVDs的影响.
为了比较LBP患者和健康对照人群之间的这些影响.

主要方法:

一项前性队列研究,涉及178名LBP患者和74名对照.
腰部IVD的定量MRIT2映射在卧卧的位置,带有和没有轴承负荷.
分析整个和后部IVD区域的T2-地图平均值,根据退行程度进行调整.

主要成果:

在这两组中,轴负荷增加了T2-map值.
与对照组相比,LBP患者在整个IVD (0.98倍变化,P=0.031) 和后部IVD部分 (0.98倍变化,P=0.005;0.9倍变化,P=0.015) 中的T2-地图增加较小.
观察到的负载诱导的T2-地图变化在患者中为-15%至+35%,在对照组中为-11%至+36%.

结论:

定量MRI证实,在LBP患者和对照者之间,IVD中的负载诱导的生物机械行为是不同的.
这些差异表明LBP患者的IVD特征偏差超出全球退行.
这些发现有助于识别与LBP相关的特定IVD表型.

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