Abstract
To evaluate perioperative nutrition in extremely preterm infants undergoing surgery for patent ductus arteriosus (PDA). This is a population-based study of extremely preterm infants born in Sweden during 2004-2007 and operated on for PDA. Data on perioperative nutrition were obtained from hospital records. All enteral and parenteral nutrients and blood products were used to calculate daily nutritional intakes, starting 3days before and ending 3days after surgery. Data are mean (95% confidence intervals). Study infants (n=140) had a mean gestational age (GA) of 24.8weeks, and mean birth weight was 723g. Energy and macronutrient intakes were below minimal requirements before, during and after PDA surgery. On the day of surgery, energy intake was 78 (74-81) kcal/kg/day, protein 2.9 (2.7-3.2) g/kg/day, fat 2.5 (2.3-2.7) g/kg/day and carbohydrate intake 10.7 (10.2-11.2) g/kg/day. Nutrition did not vary in relation to GA, but infants operated early (0-6days after birth) received poorer nutrition than infants operated at older age. Fluid intake was 164 (159-169) mL/kg/day, and it did not vary during the week of surgery. Perioperative nutrition in extremely preterm infants undergoing PDA surgery in Sweden is suboptimal and needs to be improved. The significance of malnutrition for outcome after PDA surgery remains unclear and requires further investigation.
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