Resolution of dyssynchronous left ventricular failure via cardiac resynchronization and subsequent radiofrequency ablation in an infant with pre-excitation.
Pediatr Cardiol
; 31(6): 897-900, 2010 Aug.
Article
em En
| MEDLINE
| ID: mdl-20490475
ABSTRACT
Ventricular pre-excitation causing reversible left ventricular (LV) systolic dysfunction has been reported in adults and children. We describe severe heart failure secondary to ventricular pre-excitation in a 3-month-old girl who presented with echocardiographic evidence of marked intraventricular dyssynchrony. The patient was initially considered for transplantation, but dual chamber left atrioventricular epicardial pacing initiated at 4.5 months of age resulted in a marked clinical and echocardiographic improvement. Five years later, successful radiofrequency ablation resulted in loss of pre-excitation and reversal of LV dyssynchrony, thus allowing pacemaker explantation. To our knowledge, this is one of very few reported cases of pre-excitation-induced cardiomyopathy affecting a young infant and the only case palliated with resynchronization pacing.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Síndromes de Pré-Excitação
/
Estimulação Cardíaca Artificial
/
Ablação por Cateter
/
Disfunção Ventricular Esquerda
/
Recuperação de Função Fisiológica
/
Sistema de Condução Cardíaco
/
Insuficiência Cardíaca
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Female
/
Humans
/
Infant
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article