20
Participants
Start Date
May 31, 2015
Primary Completion Date
August 31, 2015
Study Completion Date
September 30, 2015
Esophagus balloon catheter insertion.
Esophagus balloon catheter will be inserted and the position of the balloon will be confirmed by a air injection test.A bolus of 30 ml of air was injected to the gastric lumen of the catheter just next to the distal edge of the balloon, during the onset of end-expiratory phase. The presence of a positive disturbing wave (PDW) in esophageal pressure waveform to this air injection will be the indicator of the right balloon position.
ICU, Beijing Tiantan Hospital, Capital Medical University, Beijing
Beijing Municipal Administration of Hospitals
OTHER_GOV
Capital Medical University
OTHER