Why the study?
Does long-duration spaceflight alter spontaneous baroreflex and markers of cardiovascular control in male astronauts?
Population
6 male astronauts living for 2-6 months on the International Space Station
Comparison
Long-duration spaceflight with current program… vs Preflight baseline measurements
Design
Cohort
Follow-up
2-6 months
Authors
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Postflight baroreflex reduction may warrant monitoring in returning astronauts; leaves open whether countermeasures preserve autonomic function long-term.
Does long-duration spaceflight alter spontaneous baroreflex and markers of cardiovascular control in male astronauts?
Current countermeasures on the International Space Station appear sufficient to maintain cardiovascular stability under resting conditions during long-duration spaceflight.
Hughson et al. (2011) studied this question.
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