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• W3030944626 abstract "ObjectiveTo evaluate the efficacy of nasal intermittent positive pressure ventilation (nIPPV) in preventing extubation failure in very low birth weight infants (VLBWI) compared with nasal continuous positive airway pressure (nCPAP).MethodsA single-center randomized controlled trial was conducted from Jun 2012 to Jun 2013 in the NICU of Children′s Hospital of Hebei Province. Eighty-four cases of VLBWI (birth weight 700~1 500 g, gestational age 27~32 weeks) with respiratory failure and subjected to mechanical ventilation were eligible for the study if they needed non-invasive, assisted ventilation at the time of first extubation attempt. They were randomly assigned to receive nIPPV (40 cases) or nCPAP (44 cases) according to random number table method, using the rate of successful extubation as primary outcome. Blood gas data were obtained and PaO2, PaCO2, FiO2, PaO2/FiO2 were monitored at 0 h, 24 h, 48 h and 72 h after extubation as enrollment for oxygenation and duration, the rate of successful extubation and the, incidence of adverse events including frequent apnea, bronchopulmonary dysplasia, intraventricular hemorrhage, periventricular leukomalacia and retinopathy of prematurity and mortality as secondary outcomes.ResultsThere were no significant differences in the baseline characteristics including the proportion of primary disease, sex, weight, gestational age, score for neonatal acute physiology and application of pulmonary surfactant between nIPPV group and nCPAP group (P>0.05). There were no significant differences in PaO2, PaCO2 and PaO2/FiO2 ratio between the two groups at 0 h of enrollment (P>0.05). The values of PaO2 and PaO2/FiO2 ratio in nIPPV group were significantly higher[48 h: PaO2: (63.2±3.6) mmHg vs (52.3±6.7) mmHg, PaO2/FiO2: (243.2±32.8) mmHg vs (187.6±34.0) mmHg; 72 h: PaO2: (66.4±5.8) mmHg vs (51.8±5.9) mmHg, PaO2/FiO2: (280.6±16.8) mmHg vs (245.2±40.5) mmHg; 1 mmHg=0.133 kPa], whereas PaCO2 lower[48 h: (40.3±4.8) mmHg vs (49.2±6.6) mmHg, 72 h: (42.2±5.6) mmHg vs (57.3±6.9) mmHg], than nCPAP group at 48 h and 72 h after extubation (P 0.05]. The rate of successful extubation in nIPPV group was significantly higher as compared with nCPAP group[92.5% (37/40) vs 75.0% (33/44), P 0.05).ConclusionnIPPV after extubation in VLBWI has beneficial effects as compared with nCPAP in improving oxygenation, shortening noninvasive ventilation time, improving the rate of successful extubation, and can reduce the incidence of frequent apnea and bronchial pulmonary dysplasia in VLBWI.Key words: Nasal intermittent positive pressure ventilation; Nasal continuous positive airway pressure; Very low birth weight infants; Respiratory failure" @default.
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• W3030944626 date "2014-04-20" @default.
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• W3030944626 title "A prospective randomized controlled trial of nasal intermittent positive pressure ventilation for prevention of extubation failure in very low birth weight infants" @default.
• W3030944626 doi "https://doi.org/10.3760/cma.j.issn.1673-4912.2014.04.006" @default.
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