Department of Pediatrics Xicmgyang Central Hospital Affiliated Hospital of Hubei University of Arts and Science Xiangyang 440021 China;
Department of Pediatrics Xicmgyang Central Hospital Affiliated Hospital of Hubei University of Arts and Science Xiangyang 440021 China;
Department of Neonatology Tongji Hospital Huazhong University of Science and Technology Wuhan 430030 China;
Department of Neonatology Tongji Hospital Huazhong University of Science and Technology Wuhan 430030 China;
Department of Pediatrics Xicmgyang Central Hospital Affiliated Hospital of Hubei University of Arts and Science Xiangyang 440021 China;
Department of Neonatology Tongji Hospital Huazhong University of Science and Technology Wuhan 430030 China;
Department of Neonatology Tongji Hospital Huazhong University of Science and Technology Wuhan 430030 China;
noninvasive ventilator; neonate; bronchopulmonary dysplasia; continuous positive airway pressure;