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A prospective cohort study of short-term oxygen therapy in preterm infants. To assess the short-term effect of supplemental oxygen on the pulmonary status of preterm infants at discharge from the neonatal intensive care unit (NICU). Prospective cohort study. Maternity and NICU in a French university hospital. Preterm infants born at less than 32 weeks of gestational age and discharged home from the hospital with supplemental oxygen. Oxygen therapy was given by nasal catheter at 10 L/min at birth and at increasing rates up to 40 L/min during hospitalization. The following assessments were performed when the infants reached 2 days of age: respiratory distress index (RDI), respiratory rate (RR), diaphragmatic excursion, chest X-ray, and arterial blood gases. Of the 49 infants enrolled in the study, 35 infants received supplemental oxygen for at least 4 days. Thirty-three infants were born between 32 and 33 weeks of gestational age and two infants were born at 31 weeks. Two infants with tracheostomy and four with severe intraventricular hemorrhage were excluded from the analysis. Supplemental oxygen was discontinued in 27 infants (77%) at a median duration of 9 days (range, 3 to 17 days). The duration of supplemental oxygen was significantly longer in the group of premature infants with RDI>5/hr (median, 10 days; range, 6 to 17 days) than in the group with RDITable of Contents Related Publications Pennsylvania State University Press The Rural City In the American Imagination By David P. Kurlansky Read on site: Read online: Preferred citation: David P. Kurlansky, The Rural City in the American Imagination. Pennsylvania State University Press, 2011. Pennsylvania State University Press is a member of the University of Pennsylvania Press. Copyright. The Rural City in the American Imagination.