• Wenqian Chen, Zhiqing Chen, Shuhua Lai, Wenhong Cai, and Yunfeng Lin.
• Wenqian Chen, Department of Neonatology, Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fuzhou City, China.
• Pak J Med Sci. 2022 May 1; 38 (5): 1353-1359.

ObjectivesNoninvasive high-frequency oscillatory ventilation (nHFOV) is a novel respiratory support mode for premature infants. This retrospective study aimed to compare the effect of nHFOV and bi-level nasal continuous positive airway pressure (BiPAP) in premature infants with neonatal respiratory failure (NRF) as initial noninvasive ventilation (NIV) support mode.MethodsWe retrospectively analyzed medical records of preterm infants admitted to the tertiary neonatal intensive care units (NICUs) of Fujian Maternal and Child Health Hospital from January 2019 to December 2020. Preterm infants with the gestational age of 25-34 weeks, diagnosed with NRF, used nHFOV or BiPAP as the initial respiratory support mode were analyzed. The rates of invasive mechanical ventilation (IMV) within the first seven days after birth and adverse outcomes were compared between the two groups.ResultsTwo hundred fifty-five preterm infants were analyzed (128 in nHFOV group,127 in BiPAP group). There was no significant difference in baseline characteristics between the two groups. Compared with the BiPAP group, the nHFOV group had significantly lower need for IMV within the first seven days after birth (18/128 vs. 33/127, p = 0.01) and PCO2 at 12 and 24 hours post-treatment (46.34±5.24mmHg vs. 51.18±4.83mmHg, P<0.01; 40.72±4.02mmHg vs. 42.50±3.86mmHg, P<0.01). The incidence of BPD, ROP, air leak syndromes, IVH≥ grade 3, PVL, NEC≥II stage, abdominal distension, and nasal trauma were similar between the two groups.ConclusionnHFOV significantly reduced the need for IMV and improved the elimination of CO2 compared with BiPAP in preterm infants with NRF without increasing the incidence of adverse effects.Copyright: © Pakistan Journal of Medical Sciences.

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