The relationship between left ventricular mechanical synchronization and left bundle branch block

Liu zhiquan; Su hao; Shen wei; Yang dongmei; Chen kangyu; Yu fei; Wang qi; Wu guohong; Xu jian; Yan ji

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The relationship between left ventricular mechanical synchronization and left bundle branch block

更新时间：2025-10-15

- The relationship between left ventricular mechanical synchronization and left bundle branch block
- Issue 5, Pages: 326-328+334(2021)
- 作者机构：
  
  中国科学技术大学附属第一医院(安徽省立医院)
- 作者简介：
- 基金信息：
- DOI：
  CLC： R540.45;R541.7
- Published：2021
- 稿件说明：
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Liu zhiquan, Su hao, Shen wei, et al. The relationship between left ventricular mechanical synchronization and left bundle branch block[J]. 2021, (5): 326-328+334.
DOI：

Liu zhiquan, Su hao, Shen wei, et al. The relationship between left ventricular mechanical synchronization and left bundle branch block[J]. 2021, (5): 326-328+334. DOI：

摘要

目的探究依据传统标准和新标准诊断的左束支阻滞

及其与超声心动图评价的心脏机械失同步指标的一致性。方法选取2018年6月至2019年6月于我院植入CRT-P/D装置的患者39例

依据不同标准分为"真性"LBBB组(真LBBB)和"假性"LBBB组(假LBBB)

采用超声心动图技术评价两组患者心脏同步性指标。结果 M型超声、组织多普勒和实时三维超声检查结果均显示

"真性"LBBB组左心室收缩失同步显著大于"假性"LBBB组

差异有统计学意义。结论"真性"LBBB组左心室收缩失同步显著大于"假性"LBBB组。

Abstract

Objective To explore the correlation between ECG left bundle-branch block and left ventricular mechanical dyssynchrony by echocardiography in patients with chronic heart failure. Methods A retrospective analysis was conducted on 39 patients with chronic heart failure admitted to our hospital from June 2018 to June2019. They were divided into “true”LBBB（t-LBBB） and “false”LBBB（f-LBBB） group according to QRS morphology. A comparison was made according to the two groups. Results Patients with “true”LBBB（n=21） had a greater left ventricular mechanical dyssynchrony compared with patients with “false”LBBB（n=18）（p<0.01）.Conclusions Left ventricular mechanical dyssynchrony detected by echocardiography is greater in patients with“true”LBBB than in those with“false”LBBB.

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