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Purpose : Patent ductus arteriosus(PDA) is a common disease in very low birth weight
infants(VLBWI). Hemodynamically significant PDA increases the morbidity and mortality of
premature infants. Based on experimental model, light inhibits the constriction of immature piglet' s
ductal rings. No specific mechanism adequately explains the effect of light on the relaxation of
PDA. Several hypotheses, including activation of photosensitive metabolites, alterations in receptors,
or... |