Inhaled Nitric Oxide in very preterm infants with severe respiratory distress syndrome
Department of Surgical and Medical Critical Care, Section of Neonatology, Careggi University Hospital of Florence, Florence, Italy. Acta Paediatrica
(Impact Factor: 1.67).
10/2006; 95(9):1116-23. DOI: 10.1080/08035250600702594
To test the hypothesis that inhaled nitric oxide therapy can decrease the incidence of bronchopulmonary dysplasia and death in preterm infants with severe respiratory distress syndrome; to evaluate the possible predictive factors for the response to inhaled nitric oxide therapy.
Preterm infants (less than 30 weeks' gestation) were randomized to receive during the first week of life inhaled nitric oxide, or nothing, if they presented severe respiratory distress syndrome. Then, the treated infants were classified as non responders and responders.
Twenty infants were enrolled in the inhaled nitric oxide therapy group and 20 in the control group. Bronchopulmonary dysplasia and death were less frequent in the inhaled nitric oxide group than in the control group (50 vs. 90%, p=0.016). Moreover, nitric oxide treatment was found to decrease as independent factor the combined incidence of death and BPD (OR=0.111; 95% C.I. 0.02-0.610). A birth weight lower than 750 grams had a significant predictive value for the failure of responding to inhaled nitric oxide therapy (OR 12; 95% C.I. 1.3-13.3).
Inhaled nitric oxide decreases the incidence of bronchopulmonary dysplasia and death in preterm infants with severe respiratory distress syndrome. Birth weight may influence the effectiveness of inhaled nitric oxide therapy in promoting oxygenation improvement in preterm infants.
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