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Biol Neonate. 1992;61 Suppl 1:26-30.

Factors influencing morbidity and mortality in infants with severe respiratory distress syndrome treated with single or multiple doses of a natural porcine surfactant.

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Department of Pediatrics, University of Göttingen, FRG.


In an international multicenter trial infants with clinical and radiological signs of severe RDS (age 2-15 h, birthweight 700-2,000 g, mechanical ventilation, FiO2 greater than or equal to 0.6, no complicating disease) were randomized to receive either a single dose (n = 176) or up to three subsequent doses (n = 167) of a natural porcine surfactant (Curosurf). Using a logistic regression model, the effects of therapy, birthweight, sex, hospital and other clinical factors on survival and various outcome parameters were evaluated. Mortality (13 vs. 21%, p less than 0.05) and the incidence of pneumothorax (9 vs. 18%, p less than 0.01) were significantly lower in the multiple-dose group. Low birthweight, hospital allocation, low Apgar score and initial disease severity were associated with an increased mortality. Low birthweight, hypothermia (admission temperature less than 36 degrees C) and acidosis (pH less than 7.25) prior to surfactant treatment could be identified as risk factors for the development of intracranial hemorrhage.

[Indexed for MEDLINE]

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