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相关概念视频

Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
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相关实验视频

Updated: Jan 8, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
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使用心律映射系统对持续性心房进行激活地图引导的除.

Yosuke Murase1, Yasuya Inden2, Yasuhiro Ogawa1

  • 1Department of Cardiology Komaki City Hospital Komaki Aichi Japan.

Journal of arrhythmia
|December 19, 2025
PubMed
概括

对心房动 (AF) 进行激活地图引导的切除在左心房体积较小和有组织的电图模式的患者中更成功. 这些因素预测了手术后较低心律失常的复发.

关键词:
激活地图是一个激活地图.导管切除 导管切除 导管切除 导管切除左心房的体积是左心房的体积.有组织的心房电图图案组织心房电图图案.持续的心房动 持续的心房动

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科学领域:

  • 心脏病学 心脏病学
  • 电子生理学 电子生理学
  • 医疗器械 医疗器械

背景情况:

  • 在心房动 (AF) 期间创建准确的激活图带来了重大挑战.
  • 针对持久性AF的有效废除策略对于改善患者的治疗结果至关重要.

研究的目的:

  • 评估激活地图导向切除对持久性AF的有效性.
  • 为了确定成功切除和较低心律失常复发的预测因素.

主要方法:

  • 在29名持久性AF患者中进行了激活地图指导的AF除.
  • 使用Rhythmia映射系统进行了详细的电生理学映射.
  • 评估了左心房体积 (LAV) 和组织心房电图模式 (ROAE) 的比率.

主要成果:

  • 患有LAV<96.5毫升和ROAE≥40%的患者在切除后显示出明显更高的无心律失常率 (84%对20%).
  • 一个逻辑等级测试表明了统计学上显著的差异 (p < 0.001).

结论:

  • 较小的左心房体积和高度组织的心房电图模式与显著较低的心房律乱复发率有关.
  • 这些发现表明,LAV和ROAE可以预测激活后的成功地图导向AF切除.