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使用计算机断层扫描心肌厚度图在冷热气球肺静脉隔离:UTMOST AF II随机临床试验

Daehoon Kim¹, Oh-Seok Kwon¹, Taehyun Hwang¹

¹Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology

|November 25, 2024

概括

使用左心房壁厚度 (LAWT) 量身定制冷凝气肺静脉隔离 (CB-PVI) 改善了心房患者的成功率. 这种个性化的方法提高了免受心律失常复发的可能性,而不会增加并发症.

科学领域:

心脏病学心脏病学
电子生理学电子生理学
医疗成像医学成像

背景情况:

心房动 (AF) 是一种常见的心律失常.
使用冷凝气废除 (CB-PVI) 的肺静脉 (PV) 隔离是AF的标准治疗方法.
基于个体患者解剖学的CB-PVI优化,例如左心房壁厚度 (LAWT),可能会改善结果.

研究的目的:

根据LAWT的指导,评估一个定制的CB-PVI战略的安全性和有效性.
为了比较LAWT指导的CB-PVI与常规的经验CB-PVI在患有偏激性AF的患者中.

主要方法:

这是一项随机对照试验,涉及277名患有偏激性AF的患者.
患者被分配到LAWT引导的CB-PVI或经验CB-PVI.
通过LAWT引导的除涉及根据CT衍生的LAWT调整冷应用时间,而经验除使用标准的240秒应用.

主要成果:

通过LAWT指导的CB-PVI组在平均随访18.7个月 (HR 0.64,P=0.043) 后,与经验组相比 (54.4%) 的心房律乱复发率显著更高 (70.8%).
两组之间并发症发生率没有显著差异.
根据LAWT指导的小组的平均手术时间略长 (70.2分钟与65.2分钟相比).

结论:

一个由LAWT指导的CB-PVI能量定位策略改善了 Paroxysmal AF患者的心房律乱复发的自由.
这种个性化方法比传统策略提供了潜在的进步.
法律指导的CB-PVI是实现光伏隔离的安全有效方法.

关键词:

前庭壁的厚度前庭壁的厚度结冷气球除方法这种心房动是 Paroxysmal 心房动.

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