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  • Title: [Probability of altitude decompression sickness during a suited exit from a space ship having a near-Earth atmosphere].
    Author: Barer AS, Golovkin LG, Filipenkov SN, Cherniakov IN, Sheĭkin AA.
    Journal: Kosm Biol Aviakosm Med; 1979; 13(3):37-42. PubMed ID: 36501.
    Abstract:
    A large number (550) pressure chamber experiments in which 200 suited subjects simulated an egress from the spacecraft (decompression from 760 to 20--10 mm Hg) showed a relationship between decompression sickness frequency and severity, space suit absolute pressure (160--310 mm Hg), time of the exposure (1--10 hours) and desaturation (15--60 min), and exercise load (150--400 Cal/hr). Without desaturation there were no decompression sickness symptoms at a suit pressure of 270--310 mm Hg. An egress into space in a suit at a pressure of 160--230 mm Hg after 15--60 min desaturation induced bends of different severity. Less frequent cases of decompression sickness in our experiments as compared with the literature data (obtained on unsuited subjects) can be attributed to the peculiar kinematics of movements and excessive pressure in the suit.
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