Resumen

MENDEZ-ABAD, Paula  y  ZAFRA-RODRIGUEZ, Pamela. Hypertrophic cardiomyopathy in preterm newborn with kidney transplanted mother. Arch. argent. pediatr. [online]. 2018, vol.116, n.6, pp.e749-e752. ISSN 0325-0075.  http://dx.doi.org/10.5546/aap.2018.e749.

Hypertrophic cardiomyopathy in the newborn is a rare entity with heterogeneous etiology. Transient forms have been described in children of mothers with gestational diabetes and in preterm infants exposed both to prenatal and postnatal corticosteroids. We report a case of a preterm infant son of a mother who received renal transplant in whom hypertrophic cardiomyopathy was detected. He had been prenatally exposed to corticosteroids and tacrolimus that received the mother as immunosuppressive therapy. Both drugs cross the placental barrier and, on reaching the fetus, could have favored its development. Hypertrophic cardiomyopathy may be an uncommon side effect of treatment with tacrolimus in adults and children and it is reversible upon withdrawal. To our knowledge, it is the first published case of transient hypertrophic cardiomyopathy after fetal exposure to both corticosteroids and tacrolimus in the son of a renal transplanted mother.

Palabras clave : Hypertrophic cardiomyopathy; Tacrolimus; Infant newborn; Transplantation.

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