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Yong Li
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Journal Articles
CE Article
American Journal of Critical Care (2019) 28 (5): 370–376.
Published: 01 September 2019
Abstract
Background High-flow oxygen therapy has been widely adopted, but its use for weaning patients from mechanical ventilation has not been reported. Objective To evaluate whether high-flow oxygen therapy improves the efficiency of weaning patients from mechanical ventilation. Methods In a single-center, prospective study, patients receiving mechanical ventilation were randomly assigned to 1 of 3 groups (T-tube, pressure support ventilation, or high-flow oxygen) during 2-hour spontaneous breathing trials in a 14-day study. Participants were followed up until hospital discharge or death. Results Of 268 patients included, 90 were assigned to the T-tube group, 96 to the pressure support ventilation group, and 82 to the high-flow oxygen group. The first-day 2-hour spontaneous breathing trial passing rates were higher in the pressure support ventilation and high-flow oxygen groups than in the T-tube group ( P < .05). The time needed to pass the spontaneous breathing trial was less in the pressure support ventilation and high-flow oxygen groups than in the T-tube group ( P < .05). The reintubation rate was lower and the successful weaning rate on the first day was higher in the high-flow oxygen group than in the T-tube and pressure support ventilation groups ( P < .05). During the 14-day study period, the weaning time was less in the high-flow oxygen group than in the T-tube and pressure support ventilation groups ( P < .05). Conclusion High-flow oxygen therapy can reduce the time needed to wean patients from mechanical ventilation by shortening the time needed to pass a spontaneous breathing trial and by decreasing the reintubation rate.