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A Journal on Pediatrics, Neonatology, Adolescent Medicine,
Child and Adolescent Psychiatry
Indexed/Abstracted in: CAB, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,532
Minerva Pediatrica 2005 February;57(1):21-34
The pharmacological manipulation of Botallo's duct in the duct- dependent congenital cardiopathies and in the preterm infants with respiratory distress. a review and personal findings
Botallo's duct connects the systemic and pulmonary circulation. It can play a crucial hemodynamic role in some cardiac and respiratory diseases of the newborn, and strongly influences the outcome if it remains patent after birth or if it closes rapidly. The recently acquired in-depth knowledge on the genesis of these events have advanced the so called ³pharmacological manipulation of Botallo's duct'', i.e. pharmacological treatment to regulate the opening or closure of the ductus depending on clinical requirements and that, as will be described, is a key issue in managing newborns with severe cardiac and/or respiratory distress.
This study illustrates the main underlying mechanisms of duct patency during intrauterine life and its closure after birth, and then describes the clinical conditions of the newborn where Botallo's duct must be kept patent after birth (duct-dependent cardiac malformations) and where its closure must be accelerated (patent duct associated idiopathic respiratory syndrome). It also reports the recent findings on the use of prostaglandins (PGE1) and prostaglandin synthesis inhibitors (indomethacin, ibuprofen) and the potential use of drugs capable of favouring or inhibiting nitric oxide in the duct endothelium.