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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
|
pubmed:dateCreated |
1978-12-20
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pubmed:abstractText |
A total of 171 untrained, unacclimatized, and unanesthetized rats were used to evaluate the effects of sedentary and work-induced hyperthermia on the incidence of mortality and cellular injury, 24 h postexposure. Cellular injury was defined as serum transaminase activity (SGPT and SGOT) exceeding 1,000 IU/l (heatstroke levels). Both the percent mortality and the percentage of 24-h survivors with transaminase levels above 1,000 IU/l were plotted against maximum core temperatures. Exertion-induced hyperthermia produced a significantly higher incidence of cellular injury and heatstroke death at lower core temperatures than hyperthermia alone. With hyperthermia only, the SGPT and SGOT dose-response curves were identical. When work was combined with hyperthermia, there was a greater incidence of elevated SGOT at lower core temperatures. These curves bore a striking resemblance to curves reflecting heat- and/or work-induced mortality in humans. The results suggest a direct role of physical effort in causing heatstroke injury and mortality.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0161-7567
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
45
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
463-8
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:701134-Alanine Transaminase,
pubmed-meshheading:701134-Animals,
pubmed-meshheading:701134-Aspartate Aminotransferases,
pubmed-meshheading:701134-Body Temperature,
pubmed-meshheading:701134-Heat Exhaustion,
pubmed-meshheading:701134-Hot Temperature,
pubmed-meshheading:701134-Male,
pubmed-meshheading:701134-Physical Exertion,
pubmed-meshheading:701134-Rats
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pubmed:year |
1978
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pubmed:articleTitle |
Role of physical effort in the etiology of rat heatstroke injury and mortality.
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pubmed:publicationType |
Journal Article
|