一个新型的辐射屏蔽用于干预性心声仪,在结构性心脏病过程中应用
Akihisa Kataoka1, Takeshi Takata2, Ayaka Yanagawa3
1Division of Cardiology, Department of Internal Medicine, Teikyo University, Tokyo, Japan.
JACC. Asia
|September 13, 2025
概括
干预性心声回声仪现在可以安全地使用新的辐射屏蔽进行结构性心脏手术. 这种实用的设备可以显著减少跨食道心声学期间腰部和身体下部的辐射暴露.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 辐射安全 辐射安全
背景情况:
- 干预性心声仪在结构性心脏病手术期间面临高剂量的辐射,特别是在腰部和下半身.
- 现有的辐射屏蔽对于过食道心声学来说是不切实际的.
研究的目的:
- 为干预性心声回声仪开发一种新型的辐射屏蔽,以尽量减少结构性心脏病手术期间的辐射暴露.
- 为了确保屏蔽是实用的转食道心声学.
主要方法:
- 开发了一种独立的辐射保护板原型,带有侧窗.
- 评估了临床可用性,并使用了蒙特卡洛模拟.
- 在193个结构性心脏病手术 (心心膜修复和主动脉置换) 中测量了现实生活中的辐射暴露.
主要成果:
- 最佳的屏蔽窗口尺寸确定为300毫米宽,200毫米高.
- 在所有程序中,盾牌在没有问题的情况下使用.
- 随着盾牌的使用,观察到辐射暴露的显著减少,特别是在腰部 (P < 0.001).
结论:
- 一个新的,实用的辐射屏蔽成功地为干预性心声谱仪开发出来.
- 盾牌在结构性心脏病手术期间提供足够的辐射保护.
- 开发的屏蔽器适用于过食道心声监测和指导.
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