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  • Title: [Digestive system status after prolonged space flights].
    Author: Smirnov KV, Syrykh GD, Legen'kov VI, Goland-Ruvinova LG, Medkova IL.
    Journal: Kosm Biol Aviakosm Med; 1982; 16(2):19-22. PubMed ID: 7070032.
    Abstract:
    In the crewmembers of four Salyut-6 long-term flights, enzyme excretory function of the gastro-intestinal tract was investigated. These studies included: gastric proenzyme, pepsinogen, and pancreatic enzymes, amylase and lipase, in blood and urine, trypsin in blood, intestinal enzymes, invertase and glycyl-L-leucine dipeptidase in feces, and lipids in feces. The results obtained demonstrated a correlation between changes in enzyme excretion and space flight duration and profile. After the 140- and 175-day flight the most marked changes in the digestive organs were seen; they manifested as a simultaneous increase in secretory function of the stomach and the pancreas. However, after the 185-day flight, in which advanced countermeasures were used, the above changes were less distinct.
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