Key result
Intravenous amiodarone successfully terminated recurrent left posterior fascicular ventricular tachycardia in a neonate, with complete resolution after 9 months of oral amiodarone and propranolol.
Why the study?
Left posterior fascicular ventricular tachycardia is extremely rare in neonates, presenting diagnostic challenges.
Case Report (n=1)
No
Neonatal LPFVT is extremely rare and often misdiagnosed as SVT, but can be successfully managed with amiodarone and propranolol, potentially resolving spontaneously within the first year of life.
May guide acute management of rare neonatal fascicular VT; leaves open need for prospective confirmation.
Left posterior fascicular ventricular tachycardia (LPFVT) is extremely rare in neonates. We described a 17-day-old girl with LPFVT who was initially misdiagnosed as supraventricular tachycardia (SVT). Eventually, she was successfully treated by amiodarone infusion followed by oral amiodarone with propranolol for 9 months, and LPFVT spontaneously resolved after a 1-year follow-up. This case report illustrated the basic principles and caveats in differential diagnosis of LPFVT in the neonatal age group. With proper diagnosis and therapy, neonatal LPFVT might regress in the first year of life.
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Zhao et al. (2021) conducted a case report in Left posterior fascicular ventricular tachycardia (LPFVT) (n=1). Amiodarone and propranolol was evaluated on Resolution of tachycardia. Intravenous amiodarone successfully terminated recurrent left posterior fascicular ventricular tachycardia in a neonate, with complete resolution after 9 months of oral amiodarone and propranolol.
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