战斗机飞行员的肺功能

Maritza Fabiana Sepulveda Soares, P. L. Melo, P. M. D. Sá
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引用次数: 0

摘要

与高海拔工作和加速度力过载相关的影响可以产生生理补偿机制,并最终导致肺功能的短期、中期和长期变化。因此,本研究旨在描述巴西空军战斗飞行员肺功能的慢性变化。样本包括19名战斗飞行员和20名对照。对于肺功能测量,我们观察到与对照组相比,暴露组第一秒用力肺活量(FVC)和用力呼气量(FEV1)的平均值增加,肺容量减少,阻力和呼吸功增加,总肺活量(TLC)以升(L)和百分比(%)计算的残气量(RV)有显著变化。当根据飞行时数进行评估时,类似的行为,与暴露时间的增加成正比。离散的变化,如在本研究中观察到的,可能反映了呼吸系统的适应,为慢性疾病的变化带来了补充的观点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Função pulmonar em pilotos de combate
The effects related to work at high altitudes and acceleration force overload can generate physiological compensation mechanisms and eventual short-, medium- and long-term changes in lung function. Therefore, this study aimed to describe the chronic changes in lung function in combat pilots of the Brazilian Air Force. The sample consisted of 19 combat pilots and 20 controls. For pulmonary function measurements, we observed an increase in the mean values of Forced Vital Capacity (FVC) and Forced Expiratory Volume in the First Second (FEV1), a decrease in lung volume, an increase in resistance and work of breathing, in the exposed group compared to the control, with significant modifications to Residual Volume (RV) by Total Lung Capacity (TLC) in liters (L) and percentage (%). Similar behavior when evaluated according to flight hours, with an increase proportional to the increase in exposure time. Discrete changes, such as those observed in this research, may reflect adaptations of the respiratory system, bringing a complementary view to changes in chronic conditions.
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32 weeks
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