Effect of High Altitude Clinical Trial
Official title:
Effect of High Altitude Exposure, Acclimatization and Re-exposure on Cerebral Autoregulation in Lowlanders
Prospective interventional trial in lowlanders evaluating the effect of acute exposure, acclimatization and re-exposure to high altitude on cerebral autoregulation
Baseline measurements will be performed in Santiago de Chile, 520 m, over the course of 3
days. Participants will then travel by commercial airline (5 h flight) and by bus (3 h ride)
to the ALMA base camp located at 2900 m near San Pedro de Atacama, northern Chile.
Participants will stay there for the next 8 nights and they will be spend the days (6-8 h
daily) at the telescope station at 5050 m while undergoing testing as described above at the
first and the last day at 5050m. Daily transports from 2900 to 5050 m will be by car (1 h
ride, one way). After the first 8 day altitude sojourn participants will return to the
Santiago area (520 m) for a 6 day recovery period.
A second altitude sojourn with an identical schedule as the one described above and a final
low altitude stay of 3 days will follow.
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