118
Participants
Start Date
March 31, 2012
Primary Completion Date
March 31, 2015
Study Completion Date
April 30, 2015
Non-invasive ventilation
Noninvasive ventilation (NIV) was performed with a noninvasive ventilator (BiPAP Synchrony®, Respironics Inc., Murrysville, PA, USA).
Beijing Institute of Respiratory Medicine, Department of respiratory and critical care medicine, Beijing Chao-Yang Hospital Jingxi Campus, Capital Medical University, Beijing
Beijing Chao Yang Hospital
OTHER