title: Observation of serum erythropoietin concentrations in female athletes for up to eight days after a marathon run.
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.
authors.affiliation: Center for Space Medicine Berlin, Department of Physiology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany. lroecker@zedat.fu-berlin.de
authors.forename: L
authors.initials: L
authors.lastname: Roecker
authors.forename: R
authors.initials: R
authors.lastname: Kowoll
authors.forename: W
authors.initials: W
authors.lastname: Fraszl
authors.forename: K
authors.initials: K
authors.lastname: Battal
authors.forename: L
authors.initials: L
authors.lastname: Brechtel
authors.forename: S
authors.initials: S
authors.lastname: Brachmann
authors.forename: R
authors.initials: R
authors.lastname: Meier-Buttermilch
authors.forename: H C
authors.initials: HC
authors.lastname: Gunga
authors.forename: A
authors.initials: A
authors.lastname: Stangl
authors.forename: H
authors.initials: H
authors.lastname: Kiesewetter
mesh_terms: D000328:Adult; D004921:Erythropoietin / Q000097:blood*; D005260:Female; D006801:Humans; D010807:Physical Endurance / Q000502:physiology*; D012420:Running / Q000502:physiology*; D013177:Sports / Q000502:physiology*
chemical_list: D004921:Erythropoietin