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Mask versus nasal prong leak and intermittent hypoxia during continuous positive airway pressure in very preterm infants

Poets, CF, Lim, K, Marshall, A, Jackson, H, Gale, TJ ORCID: 0000-0003-0524-2642 and Dargaville, PA 2020 , 'Mask versus nasal prong leak and intermittent hypoxia during continuous positive airway pressure in very preterm infants' , Archives of Disease in Childhood. Fetal and Neonatal Edition , F1–F3 , doi: 10.1136/archdischild-2020-319092.

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Abstract

Background: Nasal continuous positive airway pressure (NCPAP) can be applied via binasal prongs or nasal masks; both may be associated with air leak and intermittent hypoxia. We investigated whether the latter is more frequent with nasal masks or prongs. Methods: Continuous 24 hours recordings of inspired oxygen fraction (FiO2), pulse rate, respiratory rate, pulse oximeter saturation (SpO2) and CPAP level were made in preterm infants with respiratory insufficiency (n=20) managed on CPAP in the NICU at the Royal Hobart Hospital. As part of routine care, nasal interfaces were alternated 4-hourly between mask and prongs. In each recording, the first two segments containing at least 3 hours of artefact-free signal for each interface were selected. Recordings were analysed for episodes with hypoxaemia (SpO2 Results: Infants had a gestational age at birth of 26 (25-27) weeks and postnatal age of 17 (14-24) days. There was no difference in %time with interface leak between prong and mask (0.9 (0-8)% vs 1.1 (0-18)%, p=0.82), %time with SpO2 10% of the time with prongs and 5 with the mask. Conclusion: Both interfaces resulted in a similarly stable provision of positive airway pressure, and there was also no difference in the occurrence of intermittent hypoxia.

Item Type: Article
Authors/Creators:Poets, CF and Lim, K and Marshall, A and Jackson, H and Gale, TJ and Dargaville, PA
Keywords: monitoring, neonatology, sleep
Journal or Publication Title: Archives of Disease in Childhood. Fetal and Neonatal Edition
Publisher: B M J Group
ISSN: 1359-2998
DOI / ID Number: 10.1136/archdischild-2020-319092
Copyright Information:

© Author(s) (or their employer(s)) 2020.

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