左心室表皮脂肪组织与在肺静脉隔离期间持续的AF终止相关
Bowen Qiu1,2, Jianfan Shen2, Lei Chen2,3
1Department of Cardiology, Qingdao Eighth People's Hospital, Qingdao, China.
Pacing and clinical electrophysiology : PACE
|February 18, 2026
概括
左心房上心脏脂肪组织 (LA-EAT) 与射频导管切除期间持续性心房动 (PersAF) 的终止独立相关. 较低的LA-EAT体积预测了成功的终止,改善了切除结果.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 电子生理学 电子生理学
背景情况:
- 持续性心房动 (PersAF) 管理依赖于成功的射频导管切除 (RFCA).
- 心脂肪组织 (EAT) 影响心房动 (AF) 的维持.
- 在RFCA期间EAT对PersAF终止的影响仍然未经调查.
研究的目的:
- 调查左心房EAT (LA-EAT) 与肺静脉隔离 (PVI) 期间PersAF终止之间的关联.
主要方法:
- 对203名第一次接受RFCA的PersAF患者进行了回顾性观察性研究.
- 通过计算机断层扫描血管学 (CTA) 测量左心房EAT体积.
- 终止被定义为在PVI期间转换为鼻节律或稳定的心房/心跳动.
主要成果:
- LA-EAT体积,AF持续时间和心力衰竭是PersAF终止的独立预测因素.
- 一个包含LA-EAT的模型证明了终结的预测准确度有所提高.
- 整合LA-EAT显著增强了歧视和重新分类的终止预测.
结论:
- 左心房EAT是PVI期间PersAF终止的独立预测因子.
- LA-EAT的体积是成功实现废弃结果的重要因素.
- 进一步研究EAT在AF剥离中的作用是有必要的.
相关概念视频
Heart Failure II: Pathophysiology
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Atelectasis II: Pathophysiology
Atelectasis develops when alveoli lose their air and collapse inward. Because lung tissue is naturally elastic, these air sacs shrink rather than remaining open. Collapsed alveoli are no longer ventilated, reducing their role in gas exchange. Blood flow may continue in these regions, creating a ventilation–perfusion mismatch. Clinical findings include decreased breath sounds, dullness to percussion, reduced chest expansion, and decreased tactile fremitus as sound transmission through collapsed...


