Publications by authors named "Marcos Echegaray"

Article Synopsis
  • * Out of 62 participants, 5 runners (8%) showed asymptomatic hyponatremia, with their serum sodium levels dropping significantly after the race.
  • * The findings suggested that the low incidence of hyponatremia might be influenced by specific race conditions, including limited food and fluid intake regulated by the race.
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The purpose of this observational study was to examine the incidence of exercise-associated hyponatremia (EAH) in a 246-km continuous ultra-marathon. Over 2 years, 63 male finishers of the annual Spartathlon ultra-marathon foot race from Athens to Sparta, Greece were included in the data analysis. A blood sample was drawn from an antecubital vein the day before the race as well as within 15 min post-race and analyzed for sodium concentration.

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Thermoregulatory and body fluid balance (BFB) responses of competitive swimmers were studied during a typical interval training session under natural field conditions. Subjects were 9 males (18.0 +/- 1.

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