Key result
Fetal atrioventricular nodal re-entrant tachycardia refractory to adenosine and propranolol was successfully controlled with flecainide tablets, with the patient stable at 18 months follow-up.
Why the study?
Premature delivery, neonatal complications, and mortality following fetal supraventricular tachycardia are high, requiring proper management.
Case Report (n=1)
Flecainide may be an effective treatment for fetal/neonatal AVNRT refractory to adenosine and propranolol.
Fetal AVNRT refractory to adenosine and propranolol was controlled; leaves open optimal second-line fetal SVT regimens.
: The most common tachyarrhythmias in fetal cases is supraventricular tachycardia (SVT); atrioventricular nodal re-entrant tachycardia (AVNRT) type. Premature delivery, neonatal complications, and mortality following fetal SVT are high, and therefore, require proper management. Hereby, we introduce an AVNRT that was diagnosed in the fetus and adenosine infusion, and propranolol tablets were initially administered, but arrhythmia was not controlled; eventually, the tachycardia was controlled with flecainide tablets. She was discharged with the prescription of propranolol and flecainide tablets. She is currently 18 months old and under follow-up.
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Hosseini et al. (2021) conducted a case report in Atrioventricular nodal re-entrant tachycardia (AVNRT) (n=1). Flecainide and propranolol was evaluated on Arrhythmia control. Fetal atrioventricular nodal re-entrant tachycardia refractory to adenosine and propranolol was successfully controlled with flecainide tablets, with the patient stable at 18 months follow-up.
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