Dan Med Bull
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The objective of the study was to evaluate neonatal survival and subsequent disabilities in infants with extremely low gestational age in relation to perinatal events and neonatal treatment. A retrospective follow-up study was performed based on medical records, questionnaires to parents and recordings of contact with health authorities. All infants with a gestational age 28 completed weeks or less, who were admitted to the Department of Neonatology, Rigshospitalet, within 24 hours of age during the period January 1, 1987 - December 31, 1990 were included. ⋯ Sixty infants (31%) needed medical or surgical closure of a persistent ductus arteriosus. In 11 infants (6%) cystic periventricular leucomalacia occurred, 10 infants (5%) developed retinopathy of prematurity stage 3-4, and 35 infants (24%) received supplementary oxygen at 28 days of age. Risk factors present at birth for adverse outcome were: Apgar score <7 at five minutes, birth weight <1000 g, male sex and birth in another hospital than Rigshospitalet, For adverse outcome in surviving infants only, ICH grade II-IV was the only significant risk factor.