Conclusion The application of oxygen inhalation with a special facial mask during propofol-sedated gastroscopy appears to be more safer than that of oxygen inhalation via snuffle tube.
结论辅以内镜面罩给氧进行无痛胃镜检查在维持生命体征指标上优于鼻塞管给氧，使无痛胃镜检查更为安全。
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Objective To evaluate the effect of the delivery of oxygen via improved facial mask during fiberoptic bronchoscopy (FOB) in old patients.