Evaluation of Cardiac Function Recovery in Patients with Paroxysmal Atrial Fibrillation after Catheter Radiofrequency Ablation Using Two-Dimensional Speckle Tracking Imaging and Real-Time Three-Dimensional Echocardiography.

IF 1.9 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS
Cardiology Pub Date : 2024-09-27 DOI:10.1159/000541247
Rui Han, Ying-Chen Mei, Hai-Wei Li, Rong-Juan Li, Yi-Hua He, Ze-Feng Wang, Yong-Quan Wu
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引用次数: 0

Abstract

Introduction: The aim of this study was to evaluate the utility of 2D-STI and real-time three-dimensional echocardiography (RT-3DE) in assessing changes in left atrial (LA) structure and function in patients with paroxysmal atrial fibrillation (PAF) post-radiofrequency catheter ablation (RFCA).

Methods: A retrospective analysis was conducted on 44 PAF patients who underwent RFCA at BA Hospital from March 2022 to March 2023. An age- and gender-matched control group of 32 healthy individuals was also included. Comprehensive echocardiographic parameters including LA dimensions (LAAPD, LALRD), volumes (LAVmin, LAVmax), ejection fraction (LAEF), and tissue velocities (a', Ar) were compared between groups. Post-RFCA changes in these parameters were also assessed at 1, 3, and 6 months.

Results: Pre-RFCA, PAF patients demonstrated larger LA dimensions and volumes with reduced LAEF and tissue velocities compared to controls. Post-RFCA, there was a significant improvement in LAEF and left ventricular ejection fraction at 1, 3, and 6 months, with the most pronounced changes observed at 6 months. LA dimensions increased initially but then decreased from 1 to 6 months post-RFCA. Notably, strain rate (SRS, SRE, SRA) measurements in various LA segments improved progressively, with the most significant enhancements at 6 months, suggesting improved atrial mechanics.

Conclusion: The application of 2D-STI and RT-3DE provides a quantitative means to evaluate the structural and functional changes in the LA of PAF patients following RFCA. The progressive improvements in LA dimensions, volumes, and strain measurements up to 6-month post-RFCA indicate the potential of these techniques in monitoring treatment efficacy and patient recovery.

利用二维斑点追踪成像和实时三维超声心动图评估阵发性心房颤动患者导管射频消融术后的心功能恢复情况
简介本研究旨在评估二维超声心动图(2D-STI)和实时三维超声心动图(RT-3DE)在评估射频导管消融术(RFCA)后阵发性心房颤动(PAF)患者左心房(LA)结构和功能变化方面的实用性:对2022年3月至2023年3月期间在广医三院接受射频导管消融术的44名PAF患者进行了回顾性分析。方法:对 2022 年 3 月至 2023 年 3 月期间在广医三院接受 RFCA 的 44 例 PAF 患者进行回顾性分析,同时纳入年龄和性别匹配的 32 例健康对照组。比较了各组之间的综合超声心动图参数,包括 LA 尺寸(LAAPD、LALRD)、容积(LAVmin、LAVmax)、射血分数(LAEF)和组织速度(a'、Ar)。RFCA后1个月、3个月和6个月时也对这些参数的变化进行了评估:与对照组相比,RFCA 术前 PAF 患者的 LA 尺寸和容积增大,LAEF 和组织速度降低。RFCA术后,LAEF和左心室射血分数在1、3和6个月时均有显著改善,其中6个月时的变化最为明显。LA 尺寸最初有所增加,但在 RFCA 术后 1 至 6 个月内又有所减少。值得注意的是,LA各节段的应变率(SRS、SRE、SRA)测量结果逐渐改善,6个月时改善最明显,表明心房力学得到改善:结论:2D-STI 和 RT-3DE 的应用为评估 RFCA 后 PAF 患者 LA 的结构和功能变化提供了定量方法。RFCA术后6个月内LA尺寸、容积和应变测量的逐步改善表明,这些技术在监测治疗效果和患者恢复方面具有潜力。
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来源期刊
Cardiology
Cardiology 医学-心血管系统
CiteScore
3.40
自引率
5.30%
发文量
56
审稿时长
1.5 months
期刊介绍: ''Cardiology'' features first reports on original clinical, preclinical and fundamental research as well as ''Novel Insights from Clinical Experience'' and topical comprehensive reviews in selected areas of cardiovascular disease. ''Editorial Comments'' provide a critical but positive evaluation of a recent article. Papers not only describe but offer critical appraisals of new developments in non-invasive and invasive diagnostic methods and in pharmacologic, nutritional and mechanical/surgical therapies. Readers are thus kept informed of current strategies in the prevention, recognition and treatment of heart disease. Special sections in a variety of subspecialty areas reinforce the journal''s value as a complete record of recent progress for all cardiologists, internists, cardiac surgeons, clinical physiologists, pharmacologists and professionals in other areas of medicine interested in current activity in cardiovascular diseases.
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