相关实验视频

Updated: Jul 1, 2025

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

在患有晚期心房导电异常的患者中,左束支部区域节奏与常规节奏相比:前性队列研究

Georgios Leventopoulos¹, Panagiotis Patrinos¹, Angeliki Papageorgiou¹

¹Department of Cardiology, University Hospital of Patras, Greece.

Hellenic journal of cardiology : HJC = Hellenike kardiologike epitheorese

|March 7, 2024

概括

在患有导电异常的患者中,左束支部区域节奏 (LBBAP) 与右心室隔膜节奏 (RVSP) 相比,改善了心脏功能和同步. LBBAP是一种安全的替代方案,提供更好的整体心肌工作效率.

科学领域:

心脏病学心脏病学
电力生理学电力生理学
心脏节拍是因为心脏节拍.

背景情况:

右心室节奏可以对心脏功能产生负面影响.
左捆分支区域步调 (LBBAP) 是一种替代步调方法.
这项研究将LBBAP与右心室隔膜节奏 (RVSP) 进行比较.

研究的目的:

为了比较LBBAP与RVSP的影响.
为了评估患有晚期心房导电异常和保留左心室喷射分数的患者的结果.
评估左心室同步和心肌工作效率.

主要方法:

声心成像被用来评估异步.
全球心肌工作效率 (GWE) 和缩分散峰值 (PSD) 是关键指标.
主要终点是手术后3,6个月和12个月的GWE.

主要成果:

与RVSP相比,LBBAP在所有时间点都显著增加了GWE (p=0.01在12个月).
在LBBAP组中,PSD数量较低,但在统计学上并不显著.
使用更高剂量区域产品 (DAP) 的LBBAP程序具有更长的植入和光镜时间.

结论:

LBBAP是一种安全和新兴的节奏技术.
与基于GWE的RVSP相比,LBBAP似乎提供了优越的左心室同步.
尽管手术时间较长,但LBBAP对心脏功能有潜在的好处.

关键词:

在心房节点阻塞.心脏植入式电子器件的心脏植入式电子设备不同步的时间变化.全球的工作效率效率.左捆的分支步行步行步行.左心室喷射分数的部分.

更多相关视频

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Optimization of Transesophageal Atrial Pacing to Assess Atrial Fibrillation Susceptibility in Mice

Optimization of Transesophageal Atrial Pacing to Assess Atrial Fibrillation Susceptibility in Mice

Published on: June 29, 2022

相关概念视频

Conduction System of the Heart

Conduction System of the Heart

Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
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...

Electrophysiology of Normal Cardiac Rhythm

Electrophysiology of Normal Cardiac Rhythm

The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase...