Exercise-Associated Hyponatremia, Renal Function, and Nonsteroidal Antiinflammatory Drug Use in an Ultraendurance Mountain Run Page, A J MD, et al. - Conclusions: Mild asymptomatic EAH was found to occur in 4% of the volunteer ultraendurance mountain runner study group and was associated with a mean weight gain of 1.32 kg (range, -1.5 to 1.6 kg) during the race. Seven percent gained weight but remained normonatremic, suggesting other compensatory mechanisms. Hypernatremia was found in 3% and was associated with a mean weight loss. Postrace serum sodium concentration varied inversely with percent weight change [more...]
