• Pediatr Crit Care Me · Feb 2019

    Positive Airway Pressure Versus High-Flow Nasal Cannula for Prevention of Extubation Failure in Infants After Congenital Heart Surgery.

    • Robert P Richter, Jeffrey A Alten, R Wilson King, Asaf D Gans, Akm Fazlur Rahman, Yuvraj Kalra, and Santiago Borasino.
    • Division of Critical Care Medicine, Department of Pediatrics, University of Alabama at Birmingham School of Medicine, Birmingham, AL.
    • Pediatr Crit Care Me. 2019 Feb 1; 20 (2): 149-157.

    ObjectivesCompare the impact of initial extubation to positive airway pressure versus high-flow nasal cannula on postoperative outcomes in neonates and infants after congenital heart surgery.DesignRetrospective cohort study with propensity-matched analysis.SettingCardiac ICU within a tertiary care children's hospital.PatientsPatients less than 6 months old initially extubated to either high-flow nasal cannula or positive airway pressure after cardiac surgery with cardiopulmonary bypass were included (July 2012 to December 2015).InterventionsNone.Measurements And Main ResultsOf 258 encounters, propensity matching identified 49 pairings of patients extubated to high-flow nasal cannula versus positive airway pressure. Extubation failure was 12% for all screened encounters. After matching, there was no difference in extubation failure rate between groups (positive airway pressure 16% vs high-flow nasal cannula 10%; p = 0.549). However, compared with high-flow nasal cannula, patients initially extubated to positive airway pressure experienced greater resource utilization: longer time to low-flow nasal cannula (83 vs 28 hr; p = 0.006); longer time to room air (159 vs 110 hr; p = 0.013); and longer postsurgical hospital length of stay (22 vs 14 d; p = 0.015).ConclusionsIn this pediatric cohort, primary extubation to positive airway pressure was not superior to high-flow nasal cannula with respect to prevention of extubation failure after congenital heart surgery. Compared with high-flow nasal cannula, use of positive airway pressure was associated with increased hospital resource utilization. Prospective initiatives aimed at establishing best clinical practice for postoperative noninvasive respiratory support are needed.

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