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Published on: July 5, 2021
Clinical Profile and Long-Term Follow-Up of Children with Brugada Syndrome
Ibrahim El-Battrawy1,2, Gretje Roterberg3, Kim Schlentrich3
1First Department of Medicine, Faculty of Medicine, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany. Ibrahim.el-battrawy@umm.de.
Insights
Brugada syndrome (BrS) in children is rare but challenging to manage. Implantable cardioverter-defibrillator (ICD) therapy is effective for high-risk pediatric BrS patients, despite potential complications.
Area of Science:
- Cardiology
- Genetics
- Pediatrics
Background:
- Brugada syndrome (BrS) is a rare genetic channelopathy linked to sudden cardiac death (SCD).
- While adult BrS outcomes are documented, pediatric data remain limited.
- Understanding pediatric BrS is crucial for timely diagnosis and management.
Purpose of the Study:
- To analyze the clinical characteristics, treatment strategies, and long-term outcomes of pediatric Brugada syndrome.
- To synthesize existing literature on childhood BrS for improved clinical guidance.
Main Methods:
- Systematic literature review across major databases (PubMed, Web of Science, Cochrane Library, Cinahl).
- Inclusion of 4 studies comprising 262 pediatric BrS patients.
- Analysis of clinical presentation, ECG findings, electrophysiological studies, and treatment outcomes.
Main Results:
- The mean patient age was 12.1 years; 53.8% were male.
- 19.8% had spontaneous Type I BrS ECG, with 80.2% developing Type I after sodium channel blockers.
- While 76% were asymptomatic, 17.9% experienced syncope; 1.5% presented with aborted SCD. ICDs were implanted in 56 children, with 16% experiencing appropriate shocks and 19.6% facing ICD-related complications.
Conclusions:
- Pediatric Brugada syndrome presents unique diagnostic and management challenges.
- Implantable cardioverter-defibrillator (ICD) therapy demonstrates efficacy in high-risk pediatric BrS patients.
- Significant ICD-related complications necessitate careful consideration in pediatric BrS management.
Abstract:
Brugada syndrome (BrS) is a rare channelopathy associated with sudden cardiac death (SCD). Although outcome data of adult cohorts are well known, information on children are lacking. The aim of the present study was to analyze the clinical profile, treatment approach and long-term outcome of children affected with BrS. After a systematic review of the literature compiled from a thorough database search (PubMed, Web of Science, Cochrane Libary, Cinahl), data from a total of 4 studies which included 262 BrS patients were identified. The mean age of patients was 12.1 ± 5.5, 53.8% males and 19.8% spontaneous BrS type I. 80.2% of patients presented BrS ECG I after receiving sodium channel blockers. 76% of these patients were asymptomatic while only 17.9% suffered from recurrent syncope. Around 1.5% of the patients were admitted due to aborted SCD, and 3% suffered from atrial arrhythmias. Electrophysiological work-up was performed in 132 patients. Induction of ventricular tachycardia/ventricular fibrillation using programmed ventricular stimulation was inducible in 16 patients. 56 children received an ICD. 11 patients received quinidine. An electrical storm was documented in 1 patient. Appropriate shocks occured in 16% of the patients over a median follow-up period of 62.2 (54-64). ICD-related complications were observed in 11 patients (19.6%) with a predominance of inappropriate shocks and lead failure and/or fracture. Although BrS in the childhood is rare, diagnosis and management continues to be challenging. ICD therapy is an effective therapy in high-risk children with BrS, however, with relevant ICD-related complications.
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