Observation of serum erythropoietin concentrations in female athletes for up to eight days after a marathon run |
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| Authors: | Roecker L Kowoll R Fraszl W Battal K Brechtel L Brachmann S Meier-Buttermilch R Gunga H C Stangl A Kiesewetter H |
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| Affiliation: | Center for Space Medicine Berlin, Department of Physiology, Charité-Universit?tsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany. lroecker@zedat.fu-berlin.de |
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| Abstract: | Erythropoietin (EPO) was studied in 13 female marathon runners before and up to 8 days after a competition marathon run. The median baseline control value was 13.7 U/l. No change in EPO concentration was found immediately (15 min.) and one day after the run. However, a median increase in EPO concentration (18.1 U/l) was found on day three post-exercise (p< 0.05). On day 8 no change was found compared to pre-exercise values. This late increase in EPO concentration would seem to be responsible for the well known increase of red blood cell mass in long distance runners. |
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