在放射性中央静脉口程序中对器官剂量进行评估:一个基于幻象的实验性研究
Mehmet Toptaş1, Abdurrahman Tünay1, Özlem Ateşal1
1University of Health Sciences, Istanbul Training and Research Hospital, Department of Anesthesiology and Reanimation, Istanbul, Türkiye.
Health physics
|February 24, 2026
概括
光学指导的中央静脉端口放置向肺部和甲状腺等胸部器官提供了大量的辐射. 这项研究使用人类形象幻影量化了这些剂量,以提高干预过程中的患者安全.
科学领域:
- 医学物理 医学物理
- 放射学 放射学是一门学科.
- 干预心脏病学 干预心脏病学
背景情况:
- 光学引导的中央静脉口 (CVP) 导管放置是一种常见的干预程序.
- 评估风险器官的辐射剂量对于患者的安全至关重要.
研究的目的:
- 在光学引导的CVP放置期间,对放射敏感的胸部和宫器官的辐射剂量进行定量评估.
- 在此过程中识别最容易暴露的解剖区域.
主要方法:
- 使用阿尔德森·兰多的人形幻影,模拟CVP光镜手术.
- 热发光剂量计 (TLD) 测量了14个器官部位的吸收剂量.
- 使用西门子Artis Zee C臂光学系统,具有8分钟的活性曝光时间.
主要成果:
- 在胸部器官中观察到的辐射剂量最高:右中间肺 (7.84 mGy),胸部脊髓 (5.23 mGy) 和右肺顶部 (3.91 mGy).
- 甲状腺接受了中度暴露:右叶 (1.48 mGy) 和左叶 (1.41 mGy).
- 远处的器官,如垂体腺和鼻,吸收剂量微不足道 (<0.03 mGy).
结论:
- 光镜CVP放置导致大量局部辐射暴露,特别是肺部和甲状腺.
- 使用人形幽灵的定量器官剂量映射对于优化患者安全协议是有价值的.
- 在干预过程中尽量减少辐射暴露至关重要.
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