Post-flight orthostatic intolerance, the inability to maintain blood pressure while in an upright position, is an established, space-related medical problem. Orthostatic intolerance has been shown to progress to presyncope (inability to maintain standing blood pressure) in up to 80% of returning crew members tested with a post-flight tilt test. The greatest impact would occur on off-nominal landings, especially for Soyuz and CEV returns or when landing on other planetary bodies where there will not be ground support personnel available. Countermeasures have been successfully identified and implemented (fluid loading, re-entry compression garments) or being evaluated (midodrine, post-flight compression garments, etc). Completion of these efforts will be useful in determining what preventive measures should be used to combat orthostatic intolerance during future mission profiles.
Risk of Orthostatic Intolerance During Re-Exposure to Gravity: Record 11 (MRL No. 02, Orthostatic)-BASELINE
2011
12 pages
Report
Keine Angabe
Englisch
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