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Rebecca Voelker
JAMA contributor

JAMA. 1998;280:687.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

As a deadly heat wave gripped much of the southwestern United States, researchers at the University of Chicago Pritzker School of Medicine, Chicago, Ill, have warned that patients with classic heatstroke may suffer more severe complications than previous studies have reported.

The researchers studied 58 patients hospitalized in intensive care units with classic heatstroke during Chicago's killer heat wave of 1995. The patients were more likely to have had severe complications—brain, kidney, and cardiovascular damage—that have been considered rare in classic heatstroke. Such severe symptoms usually are associated with exertional heatstroke triggered in people who engage in intense physical activity in very hot, humid weather.

Of patients in the Chicago study, 66% developed kidney dysfunction, and 45% had blood clotting problems. One third had severe functional impairment when they were discharged, and nearly half died within a year. The study was published August 1 in the Annals of . . . [Full Text of this Article]

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