心脏intravoxel不连贯的运动扩散加权成像,以评估心肌微循环功能障碍在高血压
Lei Zhao1, Haipeng Wang2, Duwang Qiu1
1Department of Radiology, Ji'nan Zhangqiu District People's Hospital, Jinan, China.
Quantitative imaging in medicine and surgery
|August 15, 2024
概括
内素不连贯运动扩散加权成像 (IVIM-DWI) 可以评估与高血压相关的心肌微循环功能障碍. 伪扩散 (D*) 参数显示了在不同血压类别中评估功能障碍严重性的潜力.
科学领域:
- 心血管成像 - 心血管成像
- 生物医学工程 生物医学工程
- 放射学 放射学是一门学科.
背景情况:
- 心肌微循环功能障碍是高血压中心血管不良事件的关键预测因素.
- 评估这种功能障碍对于管理高血压患者至关重要.
- 目前的方法可能无法完全捕捉微循环变化.
研究的目的:
- 应用Intravoxel不连贯运动扩散权重成像 (IVIM-DWI) 来评估与高血压相关的心肌微循环功能障碍.
- 评估高血压患者IVIM-DWI参数的可行性和潜力.
主要方法:
- 一项前性研究涉及102名参与者 (62名高血压患者,27名健康对照) 使用3T心脏磁共振 (CMR).
- 高血压患者根据血压 (BP) 类型分组为子组.
- 群体之间比较了IVIM-DWI参数和心脏功能指数;使用布兰德-阿尔特曼分析评估了观察者内部和观察者间的可重复性.
主要成果:
- 与对照组相比,高血压患者的左心室壁厚度和质量指数显著更高.
- 在高血压和健康组之间以及高血压子组之间发现了伪扩散 (D*) 的显著差异.
- 在IVIM-DWI图像质量差的参与者中,心率较高.
结论:
- IVIM-DWI是一种可行的技术,用于定量评估高血压中心肌微循环功能障碍.
- D*参数显示了在不同BP类别中评估微循环功能障碍严重程度的潜力.
关键词:
在高血压的高血压.心脏磁共振 (CMR) 是一种心脏磁共振技术.intravoxel不连贯的运动扩散加权成像 (IVIM-DWI)心肌微循环 perfusion perfusion 是一种心肌微循环 perfusion 的方法.伪扩散 (D*) 的情况.更多相关视频
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