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Publications in this journal

• [Effect of upright tilt on venous hemodynamics in rat after three-week tail suspension]

  Authors: F Louisy, C C Tran, G Resch, F Lemarquer-Domagala, M Finet

  Travaux scientifiques des chercheurs du Service de santé des armées durant l'année ... / République Française, Ministère de la défense, Direction centrale du Service de santé des armées. 20:173-4.

  The aim of this work was to know if the venous tone measured in vivo in rat was decreased after 3-week tail suspension, a ground-based model to simulate the effects of microgravity. Arterial andThe aim of this work was to know if the venous tone measured in vivo in rat was decreased after 3-week tail suspension, a ground-based model to simulate the effects of microgravity. Arterial and venous pressure measurements during upright tilt did not show any cardiovascular deconditioning. A longer period of tail suspension appears to be necessary to induce changes in venous tone.

• [Cervical spine and accelerations in aeronautical environment: ergonomic and electromyographic approaches]

  Authors: B Maugey, J Grapperon, A Trousset

  Travaux scientifiques des chercheurs du Service de santé des armées durant l'année ... / République Française, Ministère de la défense, Direction centrale du Service de santé des armées. 20:185-6.

  Both, an analysis of the variation of the electromyographic signal with respect to the acceleration endured by flying personnel and an ergonomic evaluation of pilot activity, have been achieved. TheBoth, an analysis of the variation of the electromyographic signal with respect to the acceleration endured by flying personnel and an ergonomic evaluation of pilot activity, have been achieved. The authors show then the inadequacy of the muscular response to the high Gz with rapid on set and its functional incompatibility to provide simultaneously a correct bearning contraction and a good mobility of neck. Consequently, the authors propose an instruction of flying personnel about these risks and they determine a specific muscular training.

• [Vascular deconditioning (correction of deconditionring) in microgravity: results obtained in the french spationaut during the spatial mission EO 22]

  Authors: F Louisy, C Andre-Deshays, P Schroiff, D Cauquil, M Lazerges, C Lafaye, A L Camus, G Fomina

  Travaux scientifiques des chercheurs du Service de santé des armées durant l'année ... / République Française, Ministère de la défense, Direction centrale du Service de santé des armées. 18:209-10.

  First results on changes in vascular physiology in the first french spationaut during the French-russian spatial mission CASSIOPEE are reported in this paper. The data, obtained by AirFirst results on changes in vascular physiology in the first french spationaut during the French-russian spatial mission CASSIOPEE are reported in this paper. The data, obtained by Air Plethysmography during flight, evidence at the level of lower limbs alterations of venous filling and emptying characteristics (the latter particularly depending on the muscular pump function of the calf) and of capillary circulation.

• [Russian intra vehicular space suit and cold protection]

  Authors: D Lejeune, M Beaumont, H Marotte, M Loncle

  Travaux scientifiques des chercheurs du Service de santé des armées durant l'année ... / République Française, Ministère de la défense, Direction centrale du Service de santé des armées. 18:217-8.

  During space flights, astronauts use equipment allowing protection against many environmental factors. During tests realised in Russia, space suit efficiency was evaluated particularly concerningDuring space flights, astronauts use equipment allowing protection against many environmental factors. During tests realised in Russia, space suit efficiency was evaluated particularly concerning cold protection capacity in cold water (3 degrees C) and in cold air (-30 degrees C). Obtained results prove that this equipment allows to prevent hypothermia in cold water and ensure thermal comfort in cold air.

• [PHYSIOLAB project for CASSIOPEE: the space cardiovascular exploratory laboratory]

  Authors: F Louisy

  Travaux scientifiques des chercheurs du Service de santé des armées durant l'année ... / République Française, Ministère de la défense, Direction centrale du Service de santé des armées. 17:281-2.

  The French Health Defense Service is concerned by the finalization and the implementation of the PHYSIOLAB laboratory. In July 1996, PHYSIOLAB will participate to the french--russian missionThe French Health Defense Service is concerned by the finalization and the implementation of the PHYSIOLAB laboratory. In July 1996, PHYSIOLAB will participate to the french--russian mission CASSIOPEE. It is a functional exploratory laboratory which will support a programm of scientific experiments whose aim is to better understand cardiovascular deconditioning under weightlessness and to implement medical monitoring of cosmonauts during next french-russian space missions. In this paper, functional and scientific aims, and structure of PHYSIOLAB are described.

• [Cerebral cortical blood flow during parabolic maneuvers]

  Authors: G Florence, R Bonnier, M Lemenn, S Desert, R Charbonne, J Seylaz

  Travaux scientifiques des chercheurs du Service de santé des armées durant l'année ... / République Française, Ministère de la défense, Direction centrale du Service de santé des armées. 17:219-20.

  Cerebral cortical blood flow (CBF) was measured in 6 rabbits during parabolic flight maneuvers (20 s of weightlessness). During the first seconds of weightlessness, CBF increased up to 100% whenCerebral cortical blood flow (CBF) was measured in 6 rabbits during parabolic flight maneuvers (20 s of weightlessness). During the first seconds of weightlessness, CBF increased up to 100% when compared with CBF at 1 G. Since this transient increase (5 s) was not modified when propranolol or pentobarbital was given to the animals, one can hypothesize that it was not related to stress.

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