AI Article Synopsis
- The study investigates the prevalence and characteristics of right atrial tachycardia (AT) in patients after undergoing ablation for atrial fibrillation (AF), involving 220 patients over a ten-year period.
- Of the patients, 35 (15.9%) experienced AT recurrence and were split into two groups based on the presence of right exclusive or combined left ATs.
- Results showed that right ATs primarily originated from specific areas in the right atrium, with a much lower recurrence rate in the group with only right ATs compared to the one with combined ATs, indicating differences in long-term outcomes based on the type of tachycardia.
Article Abstract
Background: This study aims to evaluate the prevalence, clinical characteristics, electrophysiological mechanisms, and long-term outcomes of right atrial tachycardia (AT) in patients who underwent ablation for atrial fibrillation (AF).
Methods: From March 2010 to December 2020, 220 consecutive patients undergoing index AF ablation were referred for post-ablation AT recurrence. Thirty-five patients (35/220, 15.9%) with right AT recurrence (25 men; mean age 59.3 ± 10.2 years) were enrolled. These patients were divided into groups with right ATs exclusively (group 1) and right combined with left ATs (group 2).
Results: Fifty-three ATs were mapped in all patients, with thirty-nine ATs originating from the right atrium. The detailed distribution of all right ATs was 22 in the cavo-tricuspid isthmus (CTI), 6 in the ostium of superior vein cava (SVC), 4 in the right free wall, 4 in the right anterior atrial septum, 2 in coronary sinus ostium, and 1 in crista terminalis. Group 2 had a significantly higher incidence of typical atrial flutter (AFL) than group 1 (11/12, 90.9% vs. 12/24, 50.0%, P = 0.03). During the mean follow-up of 43.6 ± 25.2 months after the index AT ablation, the recurrence rate of AT/AF was 22.9% (8/35), and it was lower in group 1 than in group 2 (8.3% vs. 54.5%, P = 0.01).
Conclusion: Right AT is relatively less common post-AF ablation. The CTI-dependent AFL and the ostium of SVC-derived focal AT constituted the major components of right ATs, suggesting the importance of ablation- and anatomy-related arrhythmogenic effects in the right atrium.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s10840-023-01482-3 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Atypical Presentation of Andersen-Tawil Syndrome: Heart Failure with Reduced Ejection without Periodic Paralysis or Dysmorphic Features.
Eur J Case Rep Intern Med
December 2024
Internal Medicine, Holy Family Hospital, Rawalpindi, Pakistan.
Background: Andersen-Tawil syndrome (ATS) is a rare autosomal dominant disorder caused by variants in the gene. It is associated with periodic paralysis, dysmorphic features and cardiac arrhythmias. The syndrome exhibits incomplete penetrance, leading to a broad spectrum of clinical manifestations, making diagnosis challenging.
View Article and Find Full Text PDFEbstein's anomaly in children and young adults: clinical features, arrhythmia, surgical management, and factors affecting arrhythmia and mortality.
Cardiol Young
January 2025
Department of Cardiovascular Surgery, Hacettepe University, Ankara, Turkey.
Background: Ebstein's anomaly represents 40% of congenital tricuspid valve abnormalities. Studies about paediatric Ebstein's anomaly patients are limited.
Aim: To evaluate clinical characteristics, treatment (medical/arrhythmia ablation/surgical) results, and outcome of Ebstein's anomaly patients, and to determine factors affecting arrhythmia presence and mortality.
The impact of Omega-3 supplementation on arrhythmia reduction in acute coronary syndrome patients: a randomized clinical trial.
J Complement Integr Med
January 2025
Mostafa Khomeini Cardiovascular and Research Hospital, Ilam University of Medical Sciences, Ilam, Iran.
Background And Objectives: Cardiovascular Diseases (CVDs), including Acute Coronary Syndrome (ACS), represent a major global health challenge. Arrhythmias such as Ventricular Tachycardia (VT), Ventricular Fibrillation (VF), Atrial Fibrillation (AF), Premature Ventricular Contractions (PVCs), and Premature Atrial Contractions (PACs) frequently complicate ACS, needing effective management strategies. Omega-3 fatty acids have shown potency in preventing sudden cardiac death by modulating arrhythmias, but their acute effects in ACS patients remain controversial.
View Article and Find Full Text PDFOutcomes of catheter ablation in cardiac sarcoidosis patients with ventricular tachycardia: a propensity score-matched retrospective analysis.
J Interv Card Electrophysiol
January 2025
Cardiovascular Department, University of Texas Medical Branch, Galveston, TX, USA.
Background: Ventricular tachycardia (VT) in patients with cardiac sarcoidosis (CS) can lead to sudden cardiac death. The role of ventricular tachycardia ablation (VTA) in CS has been investigated in a few small, single-center, and larger observational studies, but the evidence still needs to be provided. This study aimed to investigate the clinical outcomes of VTA in patients with CS admitted with a diagnosis of VT.
View Article and Find Full Text PDFFetal Therapy for Severe Drug-Resisted Tachyarrhythmia With Progressive Hydrops by Fetoscopic Transesophageal Pacing: A Successful Attempt in Single Chinese Fetal Medicine Center.
Prenat Diagn
January 2025
Department of Obstetrics and Gynecology, Women and Children's Hospital of Chongqing Medical University, Chongqing, China.
Objective: To describe the outcome of a case of severe drug-resistant fetal tachyarrhythmia with progressive hydrops treated with fetoscopic transesophageal pacing (FTEP).
Method: A case of fetal tachyarrhythmia complicated by progressive hydrops is presented. The fetus, diagnosed at 26 weeks of gestation, had supraventricular tachycardia with a mechanism suggestive of atrial reentry.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!