ductus arteriosus

Channel between the pulmonary artery and the aorta in the fetus, which bypasses the lungs to distribute oxygen received through the placenta from the mother's blood. It normally closes once the baby is born and the lungs inflate, separating the pulmonary and systemic circulations. Closure before birth causes circulatory problems. If the ductus stays open after birth (patent ductus arteriosus, more common in premature births), oxygenated and deoxygenated blood mix. Alone, this may not be serious; in some heart malformations it is even necessary for life.

9) Moreover, because they are both prostaglandin synthetase inhibitors, ibuprofen and naproxen could, in theory, cause premature closure of the ductus arteriosus.

Prescribing guidelines for ENT medications during pregnancy by Pribitkin, Edmund A. / Ear, Nose and Throat Journal

Further analysis of the circulatory/respiratory category showed that the strongest effects were observed for the "other" subcategory (ICD-9 747-748), which excludes heart malformations (ICD-9 745-746) but includes anomalies of the aorta, patent ductus arteriosus, other anomalies of the circulatory system, and all anomalies of the respiratory system.

Birth malformations and other adverse perinatal outcomes in four U.S. ... by Schreinemachers, Dina M. / Environmental Health Perspectives

The etiology of maternal rubella syndrome stems from affected tissue development of the newborn of those whose mothers have been exposed to the rubella virus (German measles) during the first trimester of pregnancy Symptoms include "hepatosplenomegaly, interstitial pneumonia, congenital heart defects (patent ductus arteriosus, stenosis of pulmonary trunk), low birth weight, congenital cataracts, purpura, hearing loss, inguinal hernias, mental retardation" (Magalini, 1971, pp.

Communication issues and strategies for deaf-blind individuals: case ... by Costello, Margaret A. / American Rehabilitation

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