Carotid, brachial, and tibial arteries reacted differently to HDTBR. Previous studies have not analyzed the mechanical properties of the human brachial or anterior tibial arteries. After slight variations during bed-rest, arterial mechanical properties and IMT returned to pre-bed rest values, with the exception of tibial stiffness and PSE, which continued to be reduced post-bed rest while the DC remained elevated. The tibial artery remodeling was probably due to decreased pressure and volume. Resulting implications for longer duration spaceflight are unclear. Arterial health may be affected by microgravity, as shown by increased thoracic aorta stiffness in other ground based simulations (Aubert).


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    Title :

    Analysis of Arterial Mechanics During Head-Down-Tilt Bed Rest



    Conference:

    2014 BMES Annual Meeting ; 2014 ; San Antonio, TX, United States


    Publication date :

    2014-10-22


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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