Abstract
Continuous positive airway pressure (CPAP) benefits preterm infants with respiratory distress, including reduced bronchopulmonary dysplasia (BPD) incidence, surfactant use, and extubation failure. Successful CPAP weaning also promotes oral feeding. However, there is no consensus on the optimal weaning of CPAP in neonates. This study aims to determine the effects of CPAP (CPAP) weaning guideline implementation on neonatal outcomes. CPAP gradual pressure weaning guidelines were implemented in the Penn State Children's Hospital NICU in 2020. We included baseline data from infants (Epoch1) before bubble CPAP implementation in 2018-19. We included infants (Epoch2) after implementing the guidelines during 2020-21. The inclusion criteria were infants <32 weeks gestation with CPAP support. Compliance with the CPAP weaning guidelines was the primary process measure. Primary outcome measures included successful CPAP wean on the first attempt. Balancing measures used were total days on respiratory support and length of hospital stay. 195 infants were included in this study, 95 infants in Epoch 1 before bubble CPAP implementation and 100 infants in Epoch 2 after implementing guidelines. Infants in the two Epochs were similar in median gestational age at 29 vs 30 weeks (p=0.47) and were similar in median birth weight at 1190 vs 1130 grams (p=0.73). After implementing weaning guidelines, the successful weaning off CPAP improved from 9.5% to 54% (p<0.001). The total days needed to achieve full oral feeds decreased by 7 days (29 vs 22 median days, p<0.001). The BPD incidence was not significantly different between the two Epochs at 17% vs 16%, p= 0.87. There was no difference in total days of respiratory support, total length of stay, the number of infants discharged on home nasogastric feeding, and demographic variables. The implementation of the bubble CPAP weaning guideline improves the successful weaning of CPAP and promotes oral feeding in preterm infants.
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