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Description of Three Female 24-h Ultra-Endurance Race Winners in Various Weather Conditions and Disciplines

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26630%2F17%3APU122856" target="_blank" >RIV/00216305:26630/17:PU122856 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.ncbi.nlm.nih.gov/pubmed/28847143" target="_blank" >https://www.ncbi.nlm.nih.gov/pubmed/28847143</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4077/CJP.2017.BAF443" target="_blank" >10.4077/CJP.2017.BAF443</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Description of Three Female 24-h Ultra-Endurance Race Winners in Various Weather Conditions and Disciplines

  • Original language description

    The incidence of exercise-associated hyponatremia (EAH) is higher in women than in men. We present three cases of a very mild post-race EAH in female winners of three 24-h ultra races in various weather conditions and disciplines with post-race plasma sodium [Na+] levels of 134 mM (Case 1), 133 mM (Case 2) and 134 mM (Case 3). Moreover, Case 1 and Case 2 showed elevated creatine kinase (CK) concentrations of >10,000 U/I with an absence of renal function abnormality. The common characteristics were female sex, veteran recreational category, long race experience in the particular sports discipline, excellent race performance, similar total weekly training hours and the presence of luteal phase of the menstrual cycle during the race. Hematocrit and hemoglobin decreased and post-race K+/Na+ ratio in urine increased in all three cases. In addition, an increased body mass and a decreased urine specific gravity and urine osmolality suggested over-drinking in Case 1. A decrease in the glomerular filtration rate (GFR) and creatine clearance accompanied by an increase in urine [Na+] may contribute to fluid overload in Cases 2 and 3. Furthermore, urine osmolality reached a level indicating antidiuretic hormone (ADH) secretion in all the present cases. Therefore, we recommend that race medical personnel should not forget to look for EAH even in fast and experienced female athletes and during races in different environmental conditions.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30105 - Physiology (including cytology)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    CHINESE JOURNAL OF PHYSIOLOGY

  • ISSN

    0304-4920

  • e-ISSN

  • Volume of the periodical

    60

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    TW - TAIWAN (PROVINCE OF CHINA)

  • Number of pages

    11

  • Pages from-to

    231-241

  • UT code for WoS article

    000409566300005

  • EID of the result in the Scopus database

    2-s2.0-85029725971