Evaluating Catheter Ablation Versus Conventional Management for Ventricular Arrhythmias in Arrhythmogenic Right Ventricular Cardiomyopathy: A Five-Year Retrospective Cohort Study
Fahad R Khan1, Shakeel Ahmed Memon1, Wasim Sajjad1
1Cardiology, Lady Reading Hospital, Peshawar, PAK.
Insights
Catheter ablation significantly reduces ventricular arrhythmias and hospital stays in arrhythmogenic right ventricular cardiomyopathy (ARVC) patients compared to conventional care. This approach shows a promising trend toward improved long-term survival for ARVC management.
Area of Science:
- Cardiology
- Electrophysiology
- Genetic Heart Diseases
Background:
- Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a genetic disorder causing ventricular arrhythmias and sudden cardiac death.
- Current management strategies for ARVC, particularly catheter ablation versus conventional care, require further comparative effectiveness research.
Purpose of the Study:
- To evaluate the efficacy and safety of catheter ablation against conventional management in ARVC patients over five years.
- To assess the impact on ventricular arrhythmia recurrence, complications, hospitalization, and mortality.
Main Methods:
- Retrospective cohort study of 120 ARVC patients (January 2018 - December 2023).
- Comparison between patients undergoing catheter ablation and those receiving conventional management.
- Logistic regression analysis adjusted for demographics and clinical factors.
Main Results:
- Catheter ablation significantly reduced ventricular arrhythmia recurrence (20% vs. 55%, p<0.01) and hospital stay duration (4 days vs. 7 days, p<0.05).
- A trend towards reduced five-year mortality was observed with catheter ablation (5% vs. 15%, p=0.07).
- Age, NYHA class, and exercise capacity were significant outcome predictors.
Conclusions:
- Catheter ablation is superior to conventional management for reducing ventricular arrhythmias and hospitalizations in ARVC.
- Catheter ablation demonstrates a promising trend for improved survival in ARVC patients.
- Personalized management strategies are recommended, with a need for further research on long-term ablation benefits.
Abstract:
Background Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a challenging genetic disorder marked by ventricular arrhythmias and sudden cardiac death, particularly in athletes and young adults. Despite its clinical significance, the relative effectiveness and safety of catheter ablation versus conventional management in ARVC are not fully delineated. Objective This study evaluates the efficacy and safety of catheter ablation compared to conventional management in reducing ventricular arrhythmias and improving patient outcomes over five years in ARVC patients. Methods In a retrospective cohort design at Lady Reading Hospital, Peshawar, we analyzed 120 ARVC patients from January 2018 to December 2023. Patients were divided into two groups: those undergoing catheter ablation and those receiving conventional management. Primary outcomes assessed were recurrence of ventricular arrhythmias, procedural complications, hospitalization duration, and mortality rates. Logistic regression was adjusted for demographics and clinical variables. Results Catheter ablation significantly lowered the recurrence of ventricular arrhythmias (20% vs. 55%, p<0.01) and reduced hospital stay duration (4 ± 2 days vs. 7 ± 3 days, p<0.05). A trend toward reduced five-year mortality was observed in the catheter ablation group (5% vs. 15%, p=0.07). Age, New York Heart Association class, and exercise capacity emerged as significant predictors of outcomes. Conclusions Catheter ablation outperforms conventional management in reducing the recurrence of ventricular arrhythmias and hospitalization in ARVC patients, with a promising trend toward enhanced survival. These findings advocate for personalized management strategies in ARVC, highlighting the necessity for further research to establish the long-term benefits of catheter ablation.
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