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  • Title: NIV-NAVA versus NCPAP immediately after birth in premature infants: A randomized controlled trial.
    Author: Lee J, Parikka V, Oda A, Wallström L, Lehtonen L, Soukka H.
    Journal: Respir Physiol Neurobiol; 2022 Aug; 302():103916. PubMed ID: 35500883.
    Abstract:
    OBJECTIVE: To evaluate whether noninvasive-neurally adjusted ventilatory assist (NIV-NAVA) decrease respiratory efforts compared to nasal continuous positive airway pressure (NCPAP) during the first hours of life. METHODS: Twenty infants born between 28+0 and 31+6 weeks were randomized to NIV-NAVA or NCPAP. Positive end-expiratory pressure was constantly kept at 6 cmH2O for both groups and the NAVA level was 1.0 cmH2O/µV for NIV-NAVA group. The electrical activity of diaphragm (Edi) were recorded for the first two hours. RESULTS: Peak and minimum Edi decreased similarly in both groups (P = 0.98 and P = 0.59, respectively). Leakages were higher in the NIV-NAVA group than in the NCPAP group (P < 0.001). The neural apnea defined as a flat Edi for ≥ 5 s were less frequent in NIV-NAVA group than in NCPAP group (P = 0.046). CONCLUSIONS: Immediately applied NIV-NAVA in premature infants did not reduce breathing effort, measured as peak Edi. However, NIV-NAVA decreased neural apneic episodes compared to NCPAP.
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