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Effects of 10 Days 6 Degrees Head-Down Tilt on the Responses to FluidLoading and Lower Body Negative Pressure

Baisch, F. and Heer, M. and Beck, L. and Blomqvist, C. G. and Kropp, J. and Schulz, H. and Hillebrecht, A. and Meyer, M. (1991) Effects of 10 Days 6 Degrees Head-Down Tilt on the Responses to FluidLoading and Lower Body Negative Pressure. Acta Astronautica, 23, pp. 19-24.

Full text not available from this repository.

Abstract

In an international collaborative project six normal male subjects were studied before, during, and after 10 days 6 degrees HDT. Fluid intake was controlled at 40 ml/(kg bw-day). Urine volume and body weight were determined daily. Fluid loading and LBNP were performed in all three phases of the study. Body weight diminishes by 2.6% because of fluid loss. Blood volume diminishes by 13%. The responses to fluid loading were similar in the three phases of the study. Sixty minutes after end of infusion only 5.5% of the infused saline remained in the intravascular compartment. Excess interstitial fluid was eliminated in the next 24 hs but a negative balance was recorded also in the following day. The compliance of the lower limbs expressed as the rate of limb volume change/unit LBNP change was increased at the end of the HDT phase and during the post HDT phase. The set point of intravascular volume was defended, as shown by the response to FL. HDT increased the compliance of the lower limbs.

Item URL in elib:https://elib.dlr.de/26755/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=1993,
Title:Effects of 10 Days 6 Degrees Head-Down Tilt on the Responses to FluidLoading and Lower Body Negative Pressure
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Baisch, F.UNSPECIFIEDUNSPECIFIED
Heer, M.UNSPECIFIEDUNSPECIFIED
Beck, L.UNSPECIFIEDUNSPECIFIED
Blomqvist, C. G.University of Dallas, TexasUNSPECIFIED
Kropp, J.Universität BonnUNSPECIFIED
Schulz, H.UNSPECIFIEDUNSPECIFIED
Hillebrecht, A.UNSPECIFIEDUNSPECIFIED
Meyer, M.MPI, GöttingenUNSPECIFIED
Date:1991
Journal or Publication Title:Acta Astronautica
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:23
Page Range:pp. 19-24
Status:Published
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Space
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine
Deposited By: DLR-Beauftragter, elib
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 06:19

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