Nasal continuous positive airway pressure immediately after extubation for preventing morbidity in preterm infants
- PMID: 39392114
- PMCID: PMC11469772
- DOI: 10.1002/14651858.CD000143.pub2
Nasal continuous positive airway pressure immediately after extubation for preventing morbidity in preterm infants
Abstract
Background: Preterm infants who are extubated following a period of invasive ventilation via an endotracheal tube are at risk of developing respiratory failure, leading to reintubation. This may be due to apnoea, respiratory acidosis, or hypoxia. Historically, preterm infants were extubated to head box oxygen or low-flow nasal cannulae. Support with non-invasive pressure might help improve rates of successful extubation in preterm infants by stabilising the upper airway, improving lung function, and reducing apnoea. This is an update of a review first published in 1997 and last updated in 2003.
Objectives: To determine whether nasal continuous positive airway pressure (NCPAP), applied immediately after extubation of preterm infants, reduces the incidence of extubation failure and the need for additional ventilatory support, without clinically important adverse events.
Search methods: We searched CENTRAL, MEDLINE, Embase, and trial registries on 22 September 2023 using a revised strategy. We searched conference abstracts and the reference lists of included studies and relevant systematic reviews.
Selection criteria: Eligible trials employed random or quasi-random allocation of preterm infants undergoing extubation. Eligible comparisons were NCPAP (delivered by any device and interface) versus head box oxygen, extubation to room air, or any other form of low-pressure supplemental oxygen. We grouped the comparators under the term no continuous positive airway pressure (no CPAP).
Data collection and analysis: Two review authors independently assessed the risk of bias and extracted data from the included studies. Where studies were sufficiently similar, we performed a meta-analysis, calculating risk ratios (RRs) with their 95% confidence intervals (CIs) for dichotomous data. For the primary outcomes that showed an effect, we calculated the number needed to treat for an additional beneficial outcome (NNTB). We used the GRADE approach to assess the certainty of the evidence for clinically important outcomes.
Main results: We included nine trials (with 726 infants) in the quantitative synthesis of this updated review. Eight studies were conducted in high-income countries between 1982 and 2005. One study was conducted in Chile, which was classified as upper-middle income at the time of the study. All studies used head box oxygen in the control arm. Risk of bias was generally low. However, due to the inherent nature of the intervention, no studies incorporated blinding. Consequently, the neonatal intensive care unit staff were aware of the assigned group for each infant, and we judged all studies at high risk of performance bias. However, we assessed blinding of the outcome assessor (detection bias) as low risk for seven studies because they used objective criteria to define both primary outcomes. NCPAP compared with no CPAP may reduce the risk of extubation failure (RR 0.62, 95% CI 0.51 to 0.76; risk difference (RD) -0.17, 95% -0.23 to -0.10; NNTB 6, 95% CI 4 to 10; I2 = 55%; 9 studies, 726 infants; low-certainty evidence) and endotracheal reintubation (RR 0.79, 95% 0.64 to 0.98; RD -0.07, 95% CI -0.14 to -0.01; NNTB 15, 95% CI 8 to 100; I2 = 65%; 9 studies; 726 infants; very low-certainty evidence), though the evidence for endotracheal reintubation is very uncertain. NCPAP compared with no CPAP may have little or no effect on bronchopulmonary dysplasia, but the evidence is very uncertain (RR 0.89, 95% CI 0.47 to 1.68; RD -0.03, 95% CI -0.22 to 0.15; 1 study, 92 infants; very low-certainty evidence). No study reported neurodevelopmental outcomes.
Authors' conclusions: NCPAP may be more effective than no CPAP in preventing extubation failure in preterm infants if applied immediately after extubation from invasive mechanical ventilation. We are uncertain whether it can reduce the risk of reintubation or bronchopulmonary dysplasia. We have no information on long-term neurodevelopmental outcomes. Although there is only low-certainty evidence for the effectiveness of NCPAP immediately after extubation in preterm infants, we consider there is no need for further research on this intervention, which has become standard practice.
Copyright © 2024 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.
Conflict of interest statement
JJH is a Senior Editor for Cochrane Neonatal, and a Cochrane Neonatal Proposal Editor, for Central Editorial Service and Co‐Director, of Cochrane Malaysia. However, she did not participate in the acceptance or editorial processes for this updated review. AMK has no conflicts of interest. BC has no conflicts of interest. GC has no conflicts of interest. MF works for Cochrane Neonatal as an Information Specialist and Managing Editor, but was not involved in editorial assessment or acceptance of this manuscript. PGD is the first author of a trial included in this review (Davis 1998), but was not involved in the selection, data extraction, risk of bias assessment, certainty of evidence assessment, or analysis of this study. Davis 1998 was funded by a grant from the National Health and Medical Research Council Grant.
Update of
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Nasal continuous positive airways pressure immediately after extubation for preventing morbidity in preterm infants.Cochrane Database Syst Rev. 2003;(2):CD000143. doi: 10.1002/14651858.CD000143. Cochrane Database Syst Rev. 2003. Update in: Cochrane Database Syst Rev. 2024 Oct 11;10:CD000143. doi: 10.1002/14651858.CD000143.pub2. PMID: 12804388 Updated.
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