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为探讨急性缺氧对飞行人员胃液体排空功能的影响，在常压下吸入不同浓度氧（17％、16％、14％、12％、10．5％及9％）的低氧混合气体30min，采用B型超声波在实验前后分别测量了64名男性飞行员的胃液体排空功能。结果表明，吸入17％低氧混合气胃排空延迟，但经统计学处理无显著性差异（P＞0．05），吸入16％以下的低氧混合气后胃排空延迟，经统计学处理有显著性差异（P＜O．01），且随着缺氧程度加重，胃液体排空时间延长更加明显。提示当发生高空缺氧时，应考虑到缺氧对胃排空有抑制作用这一因素。
In order to investigate the effect of acute hypoxia on gastric emptying function of pilots, inhalation of hypoxia mixed gas (17%, 16%, 14%, 12%, 10.5% and 9% 30min, using B ultrasound before and after the experiment were measured 64 male pilots gastric fluid emptying function. The results showed that the inhalation of 17% hypoxia mixed gas delayed gastric emptying, but no statistically significant difference (P> 0.05), inhalation of hypoxia after 16% of the following gas delayed gastric emptying, by statistical There was a significant difference (P <0.01) in treatment, and as the degree of hypoxia increased, gastric emptying time was more obvious. Tip When high altitude hypoxia, should take into account the oxygen inhibition of gastric emptying of this factor.