The possibility of efficient use of the theory of hibernation ensembles to ensure vital activity in extreme conditions is considered. Hibernation ensembles are strictly selected sets of tools, among which are special combinations of pharmacological preparations and hypostabilizers, respiratory mixtures different in gas composition, controlled hypothermia, etc., which, when coordinated, cause the formation of a special state of the body, referred to as «hypobiosis and cryobiosis» or artificial hibernation. The data of experimental studies on changes in the body’s resistance to the extreme effects of gamma radiation, to acute hypobaric hypoxia and to flight overloads under conditions of artificially induced hibernation are generalized to determine the possibility of using the theory of hibernation ensembles while ensuring vital activity under extreme influences. It is shown that under the influence of vegetotropic agents against the background of hypothermia, the metabolic processes slow down significantly and the organism of warm-blooded animals begins to acquire ambient temperature. The condition that occurs in this case is accompanied by an increase in the body’s resistance to extreme factors, such as acute hypobaric hypoxia, deep hypothermia, exposure to ionizing radiation, toxic lesions, massive blood loss, pain shock, etc. This area of research is of particular relevance for the development of methods for long-term life support person in extreme conditions, with severe injuries and in the provision of medical care in conditions of mass admission victims, since it provides a reserve of time necessary for organizing the safe transportation of victims to the places of specialized and high-tech medical care, that is, actually providing medical care at a later date.
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