Heated Humidified High-Flow Nasal Cannula vs. Nasal Continuous Positive Airway Pressure for Post-extubation Respiratory Support in Preterm Infants: A Randomized Controlled Trial.

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The objective of this study was to compare the efficacy and safety of heated humidified high-flow nasal cannula (HHHFNC) and nasal continuous positive airway pressure (nCPAP) for prevention of extubation failure in preterm infants. Preterm infants (gestation ≥28 weeks) were randomized to HHHFNC or nCPAP after extubation. Primary outcome was extubation failure within 72 h of extubation. A total of 128 preterm infants were randomized to receive either HHHFNC (n = 63) or nCPAP (n = 65) after extubation. The primary outcome of extubation failure within 72 h after extubation was not different between the two groups (HHHFNC, 22.2% vs. nCPAP, 18.5%, risk difference of 3.7% and 95% CI -10.3 to 17.6, p = 0.604). The incidence of nasal trauma was significantly lower in the HHHFNC group than in the nCPAP group 6.3% vs. 21.5%, p = 0.020. In our study, HHHFNC was as effective as nCPAP for prevention of extubation failure in preterm infants. Also, HHHFNC was associated with significantly less nasal trauma compared with nCPAP.