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- W4205124095 endingPage "R203" @default.
- W4205124095 startingPage "R192" @default.
- W4205124095 abstract "Gastrointestinal complaints are often reported during ascents to high altitude (>2,500 m), though their etiology is not known. One potential explanation is injury to the intestinal barrier which has been implicated in the pathophysiology of several diseases. High-altitude exposures can reduce splanchnic perfusion and blood oxygen levels causing hypoxic and oxidative stress. These stressors might injure the intestinal barrier leading to consequences such as bacterial translocation and local/systemic inflammatory responses. The purpose of this mini-review is to 1) discuss the impact of high-altitude exposures on intestinal barrier dysfunction and 2) present medications and dietary supplements which may have relevant impacts on the intestinal barrier during high-altitude exposures. There is a small but growing body of evidence which shows that acute exposures to high altitudes can damage the intestinal barrier. Initial data also suggest that prolonged hypoxic exposures can compromise the intestinal barrier through alterations in immunological function, microbiota, or mucosal layers. Exertion may worsen high-altitude-related intestinal injury via additional reductions in splanchnic circulation and greater hypoxemia. Collectively these responses can result in increased intestinal permeability and bacterial translocation causing local and systemic inflammation. More research is needed to determine the impact of various medications and dietary supplements on the intestinal barrier during high-altitude exposures." @default.
- W4205124095 created "2022-01-25" @default.
- W4205124095 creator A5025257762 @default.
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- W4205124095 creator A5087263794 @default.
- W4205124095 date "2022-03-01" @default.
- W4205124095 modified "2023-10-13" @default.
- W4205124095 title "High-altitude exposures and intestinal barrier dysfunction" @default.
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