在心房的患者中,使用crista terminalis最大的右向左间偏移时间来确定心房的最大间偏移时间
Yahya Kemal Icen1, Hazar Harbalioglu2, Mustafa Lutfullah Ardic2
1Department of Cardiology, The University of Health Sciences - Adana Faculty of Medicine, 01000, Adana, Turkey. dryahyakemalicen@gmail.com.
Heart and vessels
|July 18, 2025
概括
来自crista terminalis信号的最大反射时间 (MIT) 可以有效地区分右侧和左侧心房 (Afl). 这有助于切除策略,并减少了P波在表面ECG上不清晰时的手术时间.
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:
- 表面心电图 (ECG) 可能不足以定位心房 (Afl) 当P波不清晰时,可能会延长切除程序.
- 准确区分右侧与左侧Afl对于有效的废除策略至关重要.
研究的目的:
- 评估crista terminalis双分裂信号的实用性,特别是最大相互反射时间 (MIT),用于区分右侧和左侧的Afl.
- 评估MIT是否可以作为在Afl中3D映射的辅助参数.
主要方法:
- 对没有心房血栓的有症状的Afl患者的回顾性分析.
- 记录crista terminalis双分裂信号以确定MIT. 这是一个很好的方法.
- 使用3D映射系统进行心房局部化和激活序列分析.
主要成果:
- 三维测绘确定了112例右翼和32例左翼病例.
- 右心房尺寸在右心房增加;左心房直径在左心房增加.
- 增加冠状动脉鼻激活序列 (近距离到远距离),间隔时间和MIT在右侧观察到. MIT>80毫秒和近端至远端冠状动脉鼻激活的组合完美区分了右侧和左侧AFL.
结论:
- 最大互偏移时间 (MIT) 是区分右侧和左侧心房动的一个有价值的参数.
- 麻省理工学院可以协助手术前的规划,并可能缩短除手术的时间.
- 这种方法为3D映射提供了一个辅助工具,用于改进Afl本地化.
更多相关视频
10:39Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding
Published on: August 30, 2024
805
08:10Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
Published on: July 20, 2022
1.8K
相关概念视频
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
168
Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
168
Cardiac Catheterization II: Right Heart Catheterization
167
Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
167
