Respiratory pattern after wet and dry chamber dives to 0.6 MPa ambient pressure in healthy males

The purpose of this study was to evaluate respiratory effects of wet and dry hyperbaric chamber dives to 0.6 MPa ambient pressure in healthy males. There were 19 and 22 subjects who participated in two series of dives with a bottom time of 15 min and decompression times of 28 and 17 min, respectivel...

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Veröffentlicht in:Respiration physiology 1999-12, Vol.118 (2), p.219-226
Hauptverfasser: Tetzlaff, Kay, Staschen, Carl-Michael, Koch, Andreas, Heine, Lars, Kampen, Jörg, Neubauer, Birger
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container_end_page 226
container_issue 2
container_start_page 219
container_title Respiration physiology
container_volume 118
creator Tetzlaff, Kay
Staschen, Carl-Michael
Koch, Andreas
Heine, Lars
Kampen, Jörg
Neubauer, Birger
description The purpose of this study was to evaluate respiratory effects of wet and dry hyperbaric chamber dives to 0.6 MPa ambient pressure in healthy males. There were 19 and 22 subjects who participated in two series of dives with a bottom time of 15 min and decompression times of 28 and 17 min, respectively. Airways conductance, residual volume, forced vital capacity, forced expiratory volume in 1 sec, mid expiratory flow at 25, 50 and 75% of FVC, and diffusion capacity for CO were measured before the dives, after 3 h, and after 24 h. Multivariate analysis of covariance revealed no statistically significant effects of time or the interaction between time and dry or wet environment on the measured lung function parameters. These findings suggest first that even deep air dives may not necessarily affect pulmonary function, and second, that factors related to the particular wet environment do not seem to contribute to lung function changes after dives.
doi_str_mv 10.1016/S0034-5687(99)00090-0
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source MEDLINE; Alma/SFX Local Collection
subjects Adult
Biological and medical sciences
Cardiorespiratory control. Arterial mecano- and chemoreceptor
Decompression
Diving - physiology
Diving, lung function
Fundamental and applied biological sciences. Psychology
Humans
Male
Mammals, humans
Mechanics of breathing, diving
Reference Values
Respiration
Respiratory Function Tests
Space life sciences
Vertebrates: respiratory system
title Respiratory pattern after wet and dry chamber dives to 0.6 MPa ambient pressure in healthy males
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