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  • Title: Pharmacologic management of patent ductus arteriosus.
    Author: Bhatt V, Nahata MC.
    Journal: Clin Pharm; 1989 Jan; 8(1):17-33. PubMed ID: 2643499.
    Abstract:
    The incidence, pathophysiology, and clinical findings of symptomatic patent ductus arteriosus (PDA) are reviewed, and the pharmacologic management of symptomatic PDA is discussed. Spontaneous closure of the ductus arteriosus (DA) usually occurs within four days after birth in most premature and full-term infants. The incidence of PDA is related to birth weight in premature infants and has been shown to decrease with an increase in birth weight. Clinical findings are reviewed. Prophylactic treatment in the first few hours after birth may not be needed in most premature infants. Treatment should be considered only if the ductus becomes symptomatic. Medical management consists of respiratory support, fluid restriction, diuretics, digoxin, and indomethacin. Respiratory support, fluid restriction, and diuretics are used as first-line treatment of symptomatic PDA. Digoxin cannot be recommended as part of first-line therapy, since its risks seem to outweigh the benefits in preterm infants. Indomethacin should be used only if other standard measures including fluid restriction and diuretic treatment fail. The mechanism of action, pharmacokinetics, adverse effects, and drug interactions of indomethacin are discussed. Symptomatic PDA can increase morbidity and mortality, especially in very low birth weight infants. Treatment of symptomatic PDA may decrease the morbidity associated with this condition.
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