High-intensity intermittent exercise increases pulmonary interstitial edema at altitude but not at simulated altitude.
Edsell, Mark E Wimalasena, Yashvi H Malein, William L Ashdown, Kimberly M Gallagher, Carla A Wright, Alex D Myers, Stephen D
Edsell, Mark E
Wimalasena, Yashvi H
Malein, William L
Ashdown, Kimberly M
Gallagher, Carla A
Wright, Alex D
Myers, Stephen D
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2014-11-07
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Abstract
Objective: Ascent to high altitude leads to a reduction in ambient pressure and a subsequent fall in available oxygen. The resulting hypoxia can lead to elevated pulmonary artery (PA) pressure, capillary stress, and an increase in interstitial fluid. This fluid can be assessed on lung ultrasound (LUS) by the presence of B-lines. We undertook a chamber and field study to assess the impact of high-intensity exercise in hypoxia on the development of pulmonary interstitial edema in healthy lowlanders.
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Wilderness Environ Med . 2014 Dec;25(4):409-15
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Article