坐长途飞机呼吸不畅？用这几招可缓解

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作者 | 周亦川

编辑 | 袁月

五一将至，很多人已做好了旅行计划。近期有研究提示，长途飞行可对肺部造成健康压力，有呼吸疾病的人尤其要当心。

有些人在飞行中可能出现不适，如疲劳、心率加快以及轻度气短症状，这些可能是缺氧的表现。英国胸腔协会发文称，机舱内气压是地面的75%左右，氧气含量低于平时的21%。大多数人可以适应，但慢阻肺等呼吸病患者可能因缺氧出现症状加剧。机舱发生的急性事件中，有10%与呼吸疾病相关，最多的是哮喘。

其他包括机舱狭小的空间、较低的湿度，也带来了混合感染风险。

因此，机组需携带哮喘急救药物，而医生也要告知呼吸病患者长途飞行安全隐患，包括为他们做低氧环境评估。

对于有飞行不适感的普通人，《镜报》建议，首先他们要在起飞前与飞行时多喝水，避免机舱干燥空气带来的呼吸不畅加剧。

来源 / pixabay

长途飞行不时起来走动，做一些简单的伸展，促进血液循环，调节肺功能。

飞行前还可用盐水喷鼻，有助于保持鼻腔湿润，抵御空气中各种病原体。平时多做一些深呼吸练习，也有助于提高肺活量，改善焦虑，提升对低氧低压环境的耐受力。