Decreases of red blood cell mass and plasma volume have been observed consistently following manned space flights. Losses of red cell mass by United States astronauts have averaged 10 to 15% (range: 2 to 21%). Based on postflight estimates of total hemoglobin, Soviet cosmonauts engaged in space missions lasting from 1 to 7 months have exhibited somewhat greater losses. Restoration of red cell mass requires from 4 to 6 weeks following return to Earth, regardless of the duration of space flight.


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    Title :

    Research opportunities in loss of red blood cell mass in space flight


    Contributors:

    Publication date :

    1985-04-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English