Aviation Physiology Research Laboratory, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung City 820, Taiwan.
School of Public Health, National Defense Medical Center, Taipei City 114, Taiwan.
Int J Environ Res Public Health. 2021 Mar 12;18(6):2904. doi: 10.3390/ijerph18062904.
Hypoxia remains a flight-safety issue in terms of aviation medicine. Hypoxia-awareness training has been used to help aircrew members recognize personal hypoxia symptoms. There is still no study, as yet, to establish the association of within-subject data between inflight hypoxia events and the altitude chamber. The main purpose of our study was to use paired subjects' data on inflight hypoxia symptoms compared with those experienced during training. A questionnaire was developed to obtain information on military aircrew members in 2018. Among 341 subjects, 46 (13.49%) suffered from inflight hypoxia. The majority of the subjects detected ongoing inflight hypoxia on the basis of their previous experience with personal hypoxia symptoms or sensations in previous chamber flights. Of the top five hypoxia symptoms, the data revealed that hot flashes, poor concentration, and impaired cognitive function appeared both during the inflight events and during the hypoxia-awareness training. The occurrence rate of hypoxia symptoms was found to not be significantly different between the in-flight events and the past chamber flights through an analysis of within-subject data. Because the individual memory had faded away over time, fresher hypoxia awareness training is still mandatory and valuable to recall personal hypoxia experience for military aircrew members.
在航空医学方面，缺氧仍然是一个飞行安全问题。缺氧意识培训已被用于帮助机组人员识别个人缺氧症状。到目前为止，还没有研究建立飞行中缺氧事件与高压舱内个体数据之间的关联。我们研究的主要目的是使用配对受试者的飞行中缺氧症状数据与训练期间的症状数据进行比较。2018 年，我们开发了一份问卷来获取军事机组人员的信息。在 341 名受试者中，有 46 名（13.49%）出现了飞行中缺氧。大多数受试者根据自己以前的个人缺氧症状或以前在高压舱飞行时的感觉来检测正在进行的飞行中缺氧。在五个主要的缺氧症状中，数据显示在飞行中发生的事件和在缺氧意识训练中都出现了热潮、注意力不集中和认知功能受损等症状。通过对个体内数据的分析，发现飞行中事件和过去的舱内飞行中缺氧症状的发生率没有显著差异。由于个体记忆随着时间的推移逐渐消退，对军事机组人员来说，更频繁的缺氧意识培训仍然是强制性的，并且对于回忆个人缺氧经历是有价值的。
