在动态胸部X射线影像中对肺 perfusion 的参考值和姿势效应
Noriko Mizoguchi1, Yuzo Yamasaki2, Daisuke Nishigake1,3
1Division of Radiology, Department of Medical Technology, Kyushu University Hospital, Fukuoka 812-8582, Japan.
The British journal of radiology
|July 22, 2025
概括
动态胸部放射 (DCR) 建立了参考肺 perfusion 值. perfusion 在从站立到仰卧的位置移动时,显著地转移到上肺部.
科学领域:
- 放射学和成像学 放射学和成像学
- 肺部医学 肺部医学
- 医学物理 医学物理
背景情况:
- 动态胸部放射 (DCR) 是一种新兴的非侵入性技术,用于评估肺 perfusion.
- 开发了一种评估 perfusion 分布的半定量方法,以提高 DCR 的临床适用性.
研究的目的:
- 在健康志愿者中使用DCR建立肺 perfusion 分布的参考值.
- 为了研究肺 perfusion 分布的变化,由于身体姿势的变化 (站立 vs 仰卧).
主要方法:
- 45名健康的志愿者在站立和躺卧的位置进行了DCR.
- 肺部在解剖学上被分为六个区域 (每个肺部的上,中和下区域).
- 在两种姿势中,每个肺部区域的肺 perfusion 百分比都被量化.
主要成果:
- 在立姿和卧姿之间观察到肺 perfusion 分布的显著差异.
- 输液测量显示,在两种姿势中,六个肺部区域都有显著的变化.
- 当志愿者从站立姿势移动到卧卧姿势时,检测到肺 perfusion 向上肺区域的统计学上显著的转移 (P < 0.001).
结论:
- 已经成功地确定了使用DCR在站立和仰卧姿势下正常的肺 perfusion 分布的参考值.
- 这项研究证实了对肺 perfusion 分布有显著的姿势影响.
- 这些确定的正常值对于在临床实践中识别微妙的异常或非典型的输液转移至关重要.
关键词:
动态胸部X射线图 动态胸部X射线图肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion 肺 perfusion肺 perfusion 分布方式 肺 perfusion 分布方式 肺 perfusion 分布方式 肺 perfusion 分布方式
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