Abstract
This case report describes an extremely low birth weight infant, born at 26-week gestational age, who developed hypertrophic cardiomyopathy (HCM) and cardiogenic shock a few hours after administration of a small dose of dexamethasone. Although cases of steroid-induced cardiomyopathy in preterm neonates are known in literature, their adverse effects are insidious and are transient in occurrence. This is the first report of HCM and cardiogenic shock occurring acutely after administration of small-dose dexamethasone. This neonate received small-dose dexamethasone initially to prevent reintubation, and again to facilitate successful extubation. Both occurrences were associated with acute cardiac decompensation with reduction in ejection fraction within hours of administration. Cardiac function subsequently improved with discontinuation of drug and use of inotropic pharmacotherapy. Studies outlined in this report show that steroid-induced HCM is known and not isolated to dexamethasone alone; however, little is known on the adverse effect of small-dose steroid in resulting acute cardiac decompensation. This case is of educational value in clinical practice by highlighting the potential adverse effects even at the smaller doses of dexamethasone currently recommended in extremely low birth weight infants.
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More From: The journal of pediatric pharmacology and therapeutics : JPPT : the official journal of PPAG
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