Review
[Change of pulmonary circulation in microgravity and simulated microgravity]
[Article in
Chinese]
Affiliations
- PMID: 11892754
Item in Clipboard
Review
[Change of pulmonary circulation in microgravity and simulated microgravity]
[Article in
Chinese]
Space Med Med Eng (Beijing).
2000 Aug.
Abstract
Fluid is transferred cephalad in microgravity and simulated microgravity, and the pulmonary circulation is the first to be affected. Blood and fluid contents in the lungs increase, but unevenly distributed among various zones of the lungs. Blood vessels in the lungs are filled and distend. Capillary changes have been observed in the animal model of simulated microgravity. Studies about the changes of regulative function of pulmonary circulation are relatively rare. Observations of the reactivity of pulmonary vessels may help to understand the mechanisms of the changes in pulmonary circulation during microgravity.
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