Multiple logistic regression was performed to assess the influence of predictive factors on the rate of closure of the ductus and the occurrence of oliguria; the factors we analyzed were sex, birth weight, gestational age, use or nonuse of antenatal glucocorticoid or indomethacin therapy, assignment to indomethacin or ibuprofen, the degree of increase in the serum creatinine concentration before treatment for patent ductus arteriosus, fluid balance and respiratory status before treatment, ductal diameter, maximal velocity of the left to right ductal shunt, severity of shunting before treatment, and use or nonuse of high frequency oscillatory ventilation cheap cialis online pharmacy
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