Abstract

ARAUJO, John J. Restrictive ductus arteriosus following acetaminophen consumption. Rev. Colomb. Cardiol. [online]. 2014, vol.21, n.5, pp.350-355. ISSN 0120-5633.  https://doi.org/10.1016/j.rccar.2014.05.003.

The constriction of the ductus arteriosus in the fetal stage is abnormal pathophysiological phenomenon that alters the hemodynamic stability and fetal cardiac function. It leads to the dilatation and hypertrophy of the right ventricle, development of hydrops fetalis, and if not corrected in time there is complete closure of the ductus arteriosus and in utero death. The constriction of the ductus arteriosus is more common after 31 weeks gestation. Is involved in causing consumption nonsteroidal anti-inflammatory drugs that interfere with the synthesis of prostaglandins, which are indispensable to keep open. Also cases have been reported with the use of acetaminophen or paracetamol, and systemic and topical steroids, in addition to the consumption of foods rich in polyphenols and flavonoids. We present the case of a 27-year-old at 32 weeks gestation of her first pregnancy. A fetal echocardiography was performed due to the presence of fetal arrhythmia. Two weeks before the study she was consuming 1 g of acetaminophen orally every 6 hours. The fetal echocardiographic study concluded the presence of restrictive ductus arteriosus, with abnormalities of the right ventricle and ductal arch. Everything reversed within 1 week after the removal of the drug.

Keywords : Patent ductus arteriosus; Echocardiography; Blood flow.

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