Prevalence of Bundle Branch Block and Axis Deviation in Permanent Atrial Fibrillation and Gender Differences

IF 1.1 4区医学 Q4 CARDIAC & CARDIOVASCULAR SYSTEMS

Annals of Noninvasive Electrocardiology Pub Date : 2025-09-10 DOI:10.1111/anec.70110

Raymond Farah, Mor Kdoshim, Rola Khamisy-Farah

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Abstract

Objective

To investigate two conditions that have been poorly investigated in the medical literature before in the context of atrial fibrillation: the coexistence and association of right or left bundle branch block and axis deviation in patients with permanent atrial fibrillation compared to the control group of healthy subjects with sinus rhythm.

Material and Methods

We conducted an analytic, retrospective observational study performed at Ziv Medical Center, Safed, Israel, collecting data from medical history records of all patients that have been diagnosed with permanent atrial fibrillation versus healthy controlled patients with normal sinus rhythm. We analyzed their ECGs in order to assess the presence of any bundle branch block and/or axis deviation.

Results

Subjects with atrial fibrillation have significant correlation with left bundle branch block. Subjects with sinus rhythm have significant correlation to left axis deviation. Young subjects (below the age 73.5 y/o) with atrial fibrillation show significantly higher correlation with left bundle branch block and older subjects (above the age 73.5 y/o) with sinus rhythm show significantly higher correlation to left axis deviation.

Conclusion

There is a correlation between atrial fibrillation and left bundle branch block. The presence of left bundle branch block could be a risk factor for atrial fibrillation and the presence of left axis deviation could be a protective factor. There is no difference between female and male patients. There is a difference in the age group; young subjects with atrial fibrillation have a significant correlation with left bundle branch block, which may demonstrate a poor prognosis for patients with atrial fibrillation.

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永久性房颤的束支阻滞和轴偏患病率及性别差异

目的探讨在房颤背景下，以往医学文献研究较少的两种情况：永久性房颤患者与健康对照组相比，右或左束支阻滞和轴偏是否共存并相关。材料和方法我们在以色列Safed的Ziv医疗中心进行了一项分析性、回顾性观察性研究，收集了所有被诊断为永久性心房颤动的患者与正常窦性心律的健康对照患者的病史记录数据。我们分析了他们的心电图，以评估是否存在束支阻滞和/或轴偏。结果心房颤动患者与左束支阻滞有显著相关性。窦性心律与左轴偏差有显著相关性。年轻心房颤动患者（低于73.5 y/o）与左束支阻滞的相关性显著高于老年窦性心律患者（高于73.5 y/o）与左轴偏差的相关性显著高于老年心房颤动患者。结论心房颤动与左束支阻滞有相关性。左束支阻滞的存在可能是心房颤动的危险因素，而左轴偏离的存在可能是一个保护因素。女性和男性患者之间没有差异。在年龄组中存在差异；年轻房颤患者与左束支阻滞有显著相关性，这可能表明房颤患者预后较差。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Annals of Noninvasive Electrocardiology 医学-心血管系统

CiteScore

3.40

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The ANNALS OF NONINVASIVE ELECTROCARDIOLOGY (A.N.E) is an online only journal that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. ANE is the first journal in an evolving subspecialty that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. The publication includes topics related to 12-lead, exercise and high-resolution electrocardiography, arrhythmias, ischemia, repolarization phenomena, heart rate variability, circadian rhythms, bioengineering technology, signal-averaged ECGs, T-wave alternans and automatic external defibrillation. ANE publishes peer-reviewed articles of interest to clinicians and researchers in the field of noninvasive electrocardiology. Original research, clinical studies, state-of-the-art reviews, case reports, technical notes, and letters to the editors will be published to meet future demands in this field.