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Iatreia

Print version ISSN 0121-0793

Abstract

RAMIREZ CHEYNE, Julián et al. VACTERL association and Moebius syndrome in a newborn girl prenatally exposed to misoprostol. Iatreia [online]. 2014, vol.27, n.2, pp.216-220. ISSN 0121-0793.

Misoprostol, a synthetic analogue of prostaglandin E1, has been associated with an increased risk of occurrence of the Moebius syndrome (congenital paralysis of the seventh cranial nerve that may be associated with involvement of other cranial nerves or of other systems) and crossterminal limb defects in pregnancies in which mothers used this drug during the first trimester of pregnancy. Vascular disruption has been proposed as a teratogenic mechanism of misoprostol. The VACTERL association is the statistically non-random co-occurrence of vertebral defects, vascular anomalies, anal atresia, cardiac abnormalities, tracheo-esophageal fistula with esophageal atresia, radial and renal dysplasia, and other limb anomalies. There is no evidence for a unifying cause for the co-occurrence of VACTERL malformations, so this condition is still called an association and not a syndrome. We report the case of a newborn girl with VACTERL association and Moebius syndrome associated with prenatal exposure to misoprostol in the first trimester of pregnancy. Given the teratogenic mechanism of misoprostol, we propose a vascular origin for VACTERL association.

Keywords : Congenital Abnormalities; Misoprostol; Moebius Syndrome; Teratogens.

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