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  • Title: Antiorthostatic test as a model to study antigravity mechanisms of the cardiovascular system.
    Author: Yarullin KK, Vasilyeva TD, Alekseev DA.
    Journal: Life Sci Space Res; 1976; 14():275-80. PubMed ID: 12678111.
    Abstract:
    The paper presents rheographic investigations of regional haemodynamics (brain, lungs, liver and limbs) during antiorthostatic exposures of varying intensity (-15, -30, -45 degrees, times of exposure 20, 40 and 60 min). Our findings show that the pattern and time of the function of compensatory mechanisms preventing excessive vascular compliance [correction of complicance] under the influence of the hydrostatic blood column depend on the value and length of antiorthostasis, because prolonged venous congestion results not only in congestive circulatory hypoxia but also in arterial hypoxia due to compensatory limitation of arterial inflow.
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