心声学参数显示左心房逆转改造,用于心房的导管切除后心房动
Eleonora Angelini1, Jan-Thorben Sieweke1, Dominik Berliner1
1Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany.
Frontiers in cardiovascular medicine
|January 2, 2024
概括
像PA-TDI和LAVI这样的心声学参数表明,在肺静脉隔离 (PVI) 后,逆向左心房重塑. 这些变化可能有助于识别高风险的患者心房动 (AF) 复发后PVI.
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:
- 以心房传导时间 (PA-TDI持续时间),左心房 (LA) 体积指数 (LAVI) 和LA应变等心房回声学参数来评估心房重塑,与心房动 (AF) 有关.
- 这些参数可以预测AF的发展和复发.
研究的目的:
- 为了研究逆向左心房改造肺静脉隔离后 (PVI) 的心声学标志物.
- 探索这些反向重塑参数与PVI后AF复发之间的关联.
主要方法:
- 对48名患者进行前性观察性研究,这些患者因症状性AF而接受PVI.
- 在PVI前,PVI后和3个月的随访后进行了胸前心电回声和心电图.
- 在3个月后通过Holter ECG评估AF复发,并在12个月后通过电话跟踪.
主要成果:
- 在PVI后和3个月后,PA-TDI显著下降.
- 在3个月的随访中,LAVI显示显著减少.
- 在LA菌株参数 (LASr,LAScd,LASct) 中没有显著变化.
- 在21%的患者中,AF复发.
- 隔膜PA-TDI,隔膜a'和PVI后的LAVI/a'与AF复发有关.
结论:
- 心声学变化表明,PVI后左心房的形态逆转改造之前,功能性电机恢复.
- 这些反向重塑参数可以识别PVI后AF复发高风险的患者.
更多相关视频
08:10Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
Published on: July 20, 2022
1.7K
04:29Author Spotlight: Advancements in Intracardiac Echocardiography for Atrial Anatomy Assessment
Published on: June 30, 2023
926
相关概念视频
Cardiac Catheterization III: Left Heart Catheterization
Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
