Wilderness & environmental medicine
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Wilderness Environ Med · Dec 2010
Case ReportsRhabdomyolysis and hyponatremia: a cluster of five cases at the 161-km 2009 Western States Endurance Run.
Five of 400 starters of the 2009 Western States Endurance Run (WSER) were hospitalized with hyponatremia and rhabdomyolysis. This article explores the risk factors associated with development of hyponatremia and rhabdomyolysis. ⋯ Over 1% of participants in the 2009 WSER were hospitalized with hyponatremia in combination with rhabdomyolysis. These individuals tended to be younger, faster, more likely to have had an injury that interfered with training, and more likely to have used NSAIDs during the race. Higher initial BUN and creatinine levels, but not CPK concentrations, distinguished those 3 who progressed to acute renal failure.