[Events in he development of dysbacteriosis of the intestines in man under extreme conditions]. / Die Besonderheiten der Bildung einer Dysbakteriose des Darms beim Menschen unter Extrembedingungen.

Conditions of cosmic flight provoke changes of the fecal microbial flora in man. During the preparation phase of the flight a distinct decrease in the numbers of Bifidobacterium and of Lactobacilli as well as a substantial increase in the numbers of E. coli and of Enterobacteria are evident. These alterations can be indicated particularly within the period immediately before the take-off. This seems to be due to nervous-emotional stress effects. After the flight the number of potentially pathogenous Enterobacteria and Clostridia was substantially increased. The number of Lactobacilli decreased. A graduation for dysbiotic responses is presented.

[The quantitative composition of the intestinal lactoflora before and after space flights of different lengths]. / Die quantitative Zusammensetzung der Lactoflora des Verdauungstrakts vor und nach kosmischen Flügen unterschiedlicher Dauer.

Due to the emotional stress before the take off the lactoflora of 24 cosmonouts shows distinct changes regarding the spectrum of different species of Lactobacilli. Compared to long-time flights after short-time flights even stronger alterations are observed. The reason is that the disturbances which take place before the take-off as to the short space of time cannot be balanced by the macroorganism. Additionally, after a certain adaptive period the factors of the space travel begin to act. There are characteristic individual particularities regarding the number of Lactobacilli in the saliva and the feces of the cosmonouts.