Felipe Yu Matsushita1, Vera Lúcia Jornada Krebs1, Alexandre Archanjo Ferraro1, Werther Brunow de Carvalho2. 1. Department of Pediatrics, Neonatology Division, Faculty of Medicine of the University of São Paulo, Instituto da Criança, Av. Dr. Enéas de Carvalho Aguiar 647, São Paulo, SP, 05403-000, Brazil. 2. Department of Pediatrics, Neonatology Division, Faculty of Medicine of the University of São Paulo, Instituto da Criança, Av. Dr. Enéas de Carvalho Aguiar 647, São Paulo, SP, 05403-000, Brazil. werther.brunow@hc.fm.usp.br.
Abstract
Recent studies revealed that fluid overload is associated with higher mortality in critically ill children and adults. This study aimed to evaluate the association between fluid overload in the first 3 days of life and mortality in extremely low birth weight infants. This single-center retrospective cohort study included two hundred nineteen newborns with birth weight less than 1000 g who were admitted to the neonatal intensive care between January 2012 and December 2017. Overall mortality was 32.4%, the median gestational age was 27.3 (26.1-29.4) weeks, and birth weight was 770 (610-900) grams. In the group with severe fluid overload, we found a higher rate of deaths (72.2%); mean airway pressure was significantly higher and with longer invasive mechanical ventilation necessity. Conclusion: Early fluid overload in extremely low birth weight infants is associated with higher mortality rate, higher mean airway pressure in invasive mechanically ventilated patients, and longer mechanical ventilation duration in the first 7 days of life. What is Known: • Fluid overload is associated with a higher mortality rate and prolonged mechanical ventilation in children and adults. What is New: • Fluid overload in the first 72 h of life in an extremely premature infant is associated with higher mortality rate, higher mean airway pressure in invasive mechanically ventilated patients, and longer mechanical ventilation duration the first 7 days of life.
Recent studies revealed that fluid overload is associated with higher mortality in critically ill children and adults. This study aimed to evaluate the association between fluid overload in the first 3 days of life and mortality in extremely low birth weight infants. This single-center retrospective cohort study included two hundred nineteen newborns with birth weight less than 1000 g who were admitted to the neonatal intensive care between January 2012 and December 2017. Overall mortality was 32.4%, the median gestational age was 27.3 (26.1-29.4) weeks, and birth weight was 770 (610-900) grams. In the group with severe fluid overload, we found a higher rate of deaths (72.2%); mean airway pressure was significantly higher and with longer invasive mechanical ventilation necessity. Conclusion: Early fluid overload in extremely low birth weight infants is associated with higher mortality rate, higher mean airway pressure in invasive mechanically ventilated patients, and longer mechanical ventilation duration in the first 7 days of life. What is Known: • Fluid overload is associated with a higher mortality rate and prolonged mechanical ventilation in children and adults. What is New: • Fluid overload in the first 72 h of life in an extremely premature infant is associated with higher mortality rate, higher mean airway pressure in invasive mechanically ventilated patients, and longer mechanical ventilation duration the first 7 days of life.
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