心脏磁共振协议的可行性"关闭"心脏再同步治疗评估"关闭"心脏再同步治疗
Christian Basile1,2, Alessandra Scatteia3,4, Daniele Giacopelli5
1Department of Advanced Biomedical Sciences, Federico II University of Naples, Naples, Italy.
Echocardiography (Mount Kisco, N.Y.)
|October 18, 2024
概括
心脏再同步治疗 (CRT) 可以安全地通过心脏磁共振 (CMR) 评估,使用"关闭"协议. 切断CRT并没有急性逆转有利的左心室功能变化.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 生物医学工程 生物医学工程
背景情况:
- 心脏再同步疗法 (CRT) 是心力衰竭与电力失同的标准治疗方法.
- 心脏磁共振 (CMR) 是评估左心室 (LV) 功能的黄金标准.
- 使用活性CRT进行CMR的可行性是不确定的.
研究的目的:
- 在CMR期间评估CRT"关闭"协议的可行性.
- 测量CRT中断对LV功能的急性影响.
主要方法:
- 患者接受了CRT前和CRT后的CMR (MR条件CRT除器).
- 后CRT扫描包括非活性 (后CRTOFF) 和活性CRT (后CRTON) 的电影图像.
- 在CRT后ON扫描期间保持连续的设备程序员连接.
主要成果:
- 29名患者中有8名 (28%) 具有可分析的CRT后数据.
- 在CRT前 (28.1%) 与CRT后OFF (37.9%) 和CRT后ON (35.0%) 的相比,LV喷射率显著增加.
- 没有检测到任何不良事件或显著的设备参数变化.
结论:
- 在患有MR条件CRT除器的患者中,CRT"关闭"协议是安全的.
- 需要技术改进,以便在活动CRT期间进行高质量的扫描.
- 治疗中断后,CRT诱导的LV功能改善并没有急性逆转.
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