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Impact of minimally invasive surfactant therapy in preterm infants at 29-32 weeks gestation

Dargaville, PA, Ali, SKM, Jackson, HD, Williams, C and De Paoli, AG 2018 , 'Impact of minimally invasive surfactant therapy in preterm infants at 29-32 weeks gestation' , Neonatology, vol. 113, no. 1 , pp. 7-14 , doi: 10.1159/000480066.

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Abstract

Background: Most preterm infants born at 29-32 weeks gestation now avoid intubation in early life, and thus lack the usual conduit through which exogenous surfactant is given if needed.Objective: The aim of this work was to examine whether a technique of minimally invasive surfactant therapy used selectively at 29-32 weeks gestation would improve outcomes.Methods: We studied the impact of selective administration of surfactant (poractant alfa 100-200 mg/kg) by thin catheter in infants with respiratory distress syndrome on continuous positive airway pressure (CPAP). The threshold for consideration of treatment was CPAP ≥7 cm H2O and FiO2 ≥0.35 prior to 24 h of life. In-hospital outcomes were compared before and after introducing minimally invasive surfactant therapy (epochs 1 and 2, respectively).Results: During epoch 2, of 266 infants commencing CPAP, 51 (19%) reached the treatment threshold. Thirty-seven infants received surfactant via thin catheter, and CPAP failure was avoided in 34 of these (92%). For the overall cohort of infants at 29-32 weeks gestation, after the introduction of minimally invasive surfactant therapy, there were reductions in CPAP failure (epoch 1: 14%, epoch 2: 7.2%) and average days of intubation, with equivalent surfactant use and days of respiratory support (intubation + CPAP). Pneumothorax was substantially reduced (from 8.0 to 2.4%). These findings were mirrored within the subgroups reaching the severity threshold in each epoch. The incidence of bronchopulmonary dysplasia was low in both epochs.Conclusions: Selective use of minimally invasive surfactant therapy at 29-32 weeks gestation permits a primary CPAP strategy to be pursued with a high rate of success, and a low risk of pneumothorax.

Item Type: Article
Authors/Creators:Dargaville, PA and Ali, SKM and Jackson, HD and Williams, C and De Paoli, AG
Keywords: continuous positive airway pressure, preterm newborns, respiratory distress syndrome, surfactant administration
Journal or Publication Title: Neonatology
Publisher: S. Karger AG
ISSN: 1661-7800
DOI / ID Number: 10.1159/000480066
Copyright Information:

Copyright 2017 S. Karger AG, Basel

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