Key result
Electrical cardioversion is linked to transient mitral regurgitation resolving within 96 hours in pediatric SVT.
Why the study?
Mitral insufficiency following electrical cardioversion has been described in adults with atrial arrhythmias but not previously in pediatric patients.
Does electrical cardioversion cause transient mitral insufficiency in pediatric patients?
Case Report (n=3)
No
Does electrical cardioversion cause transient mitral insufficiency in pediatric patients?
This report describes the first known cases of transient mitral insufficiency following electrical cardioversion in pediatric patients.
Transient mitral insufficiency may occur after cardioversion in children; extends adult observations but remains hypothesis-generating.
Following electrical cardioversion, some adult patients with pre-existing atrial arrhythmias (usually atrial fibrillation) can present mitral insufficiency.However, to our knowledge, this effect has not been previously described in pediatric patients.In the present work, we report three cases of pediatric patients followed at our Hospital (Hospital de Niños Pedro de Elizalde ex "Casa Cuna", Buenos Aires, Argentina), who presented transient mitral insufficiency after electrical cardioversion.
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Scaglione et al. (2020) conducted a case report in Supraventricular tachyarrhythmias (n=3). Electrical cardioversion was evaluated on Transient mitral insufficiency. Electrical cardioversion at 1 to 2 Joules/kg in three pediatric patients with supraventricular tachyarrhythmias resulted in transient mild to moderate mitral insufficiency that resolved within 96 hours.
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