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Japanese

Hemodynamic Effects of Altitude Exposure and Oxygen Administration in Chronic Obstructive Pulmonary Disease pp.932-933
Published Date 1993/10/1
DOI https://doi.org/10.11477/mf.1543901706
  • Abstract

PURPOSE: Cardiovascular events are the leading cause of death during air travel. Bacause patients with chronic obstructive pulmonary disease (COPD) develop severe hypoxemia at altitude, we sought to determine whether changes in systemic hemodynamics may contribute to health risks during hypobaric hypoxia.

PATIENTS AND METHODS: We recorded radial artery catheterblood pressure, cardiac frequency, and cardiac ectopy in 18 men (aged 68±6 years, mean±SD) with severe COPD (forced expiratory volume in 1 second 0.97 L±0.32 L) at sea level, after 45 minutes ofsteady-state hypobaric hypoxia at 2,438 m in a hypobaric chamber,and after oxygen supplementation at 2,438 m.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1375 印刷版ISSN 0301-2611 医学書院

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