两种心房动驱动器映射系统的对比比较,用于在持续性心房动中进行额外的切除:CONTROL-AF试验
Tetsuma Kawaji1, Takanori Aizawa2, Satoshi Shizuta2
1Department of Cardiology, Mitsubishi Kyoto Hospital, Kyoto, Japan; Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
这项研究比较了两种心房移除策略. 以ExTRa MappingTM指导的基质均化显示出数字上比 CARTOFINDERTM指导的焦点激活移除对持续性心房的结果更好.
科学领域:
- 电子生理学 电子生理学
- 心脏病学 心脏病学
- 医疗器械 医疗器械
背景情况:
- 持久性心房动 (AF) 仍然具有挑战性,需要用导管切除来治疗.
- 先进的映射系统旨在通过识别特定的电激活模式来提高废弃效率.
研究的目的:
- 为了比较CARTOFINDERTM引导的焦点激活切除与ExTRa MappingTM引导的基质均化在初始肺静脉隔离后持续的AF的疗效.
- 为了确定抽除后复发性心房动脉节律失常的预测因子.
主要方法:
- 80名患有持续性AF的患者接受了由CARTOFINDERTM或ExTRa MappingTM指导的第二次切除手术.
- 患者被随机分为1:1进行CARTOFINDERTM引导的焦点激活切除或ExTRa MappingTM引导的基质同质化.
- 主要结局是90天空白期后心房动脉节律失常的复发.
主要成果:
- CARTOFINDERTM在51.5%的地点发现了焦点激活,而ExTRa MappingTM根据%NP.在33.1%的地点发现了旋转激活.
- 与ExTRa组 (80.0%) 相比,在CARTOFINDERTM组的1年无事件生存率在数值上较低 (65.0%).
- 复发的独立风险因素包括较大的左心房体积 (≥150毫升),AF期间的低电压 (<0.25mV) 和CARTOFINDERTM引导的切除.
结论:
- 虽然在统计学上不显著,但CARTOFINDERTM引导的焦点激活切除可能比ExTRa MappingTM引导的基质均化对持久性AF效果较低.
- 左心房体积和低电压基质是持续性AF中除失败的显著预测因素.
更多相关视频
06:57Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
Published on: January 31, 2019
10:17Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
Published on: April 11, 2025
相关概念视频
Pulse rhythm
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Pathophysiology of Cardiac Performance
Heart Failure Drugs: Inotropic Agents
Heart Failure Drugs: β-Blockers
Conduction System of the Heart
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
Cardiac Output I:Effect of Heart Rate on Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart rate...
