Discussion The key findings of this study are: (1) no significant difference was observed for SAT among patients during mask-assisted ventilation when the fresh oxygen flow varied from 1 to 8 L/min, but there was a significant trend toward prolongation; (2) during mask-assisted ventilation, the EtO 2 showed a moderately strong correlation with the fresh oxygen flow.
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A quasi-experimental study of fresh oxygen flow on patients' oxygen reserve during mask-assisted ventilation under general anesthesia induction.
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