Forehead skin microcirculation during tilt table testing and lower body negative pressure |
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| Authors: | Drescher J Diedrich A Lebedev A N Spatenko J A Rome J L Grüber W |
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| Institution: | Institute of Aerospace Medicine, DLR Cologne, Germany. |
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| Abstract: | Noninvasive skin microcirculation measurements based on a new Near Infrared sensor technique (NIR/Fa. Silicon Sensor GmbH; Berlin) were embeded in a tilt table experiment for simulation of acute effects of weightlessness (HDT -6 degrees) and active standing with the Russian Tschibis-LBNP device. The phenomenon of orthostatic intolerance depends on complex interactions among functional characteristics of central and peripheral cardiovascular control. The purpose of this study was to assess the blood volume and flow motion changes as well as pulsatile spectral pattern during orthostatic and antiorthostatic stress. |
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