Details:

Alternative Title:
J Occup Environ Med
Personal Author:
Yeoman, Kristin; DuBose, Weston; Bauerle, Timothy; Victoroff, Tristan; Finley, Seth; ... More +
Yeoman, Kristin; DuBose, Weston; Bauerle, Timothy; Victoroff, Tristan; Finley, Seth; Poplin, Gerald; Less -
Description:
Objective This study characterizes physiological measures of heat exposure among US underground miners. Methods Core body temperature measured by using ingestible sensors during subjects’ normal work shifts was categorized into four temperature zones: less than 37.5 °C, 37.5 °C to less than 38 °C, 38 °C to less than 38.5 °C, and more than or equal to 38.5 °C. Results On average, subjects changed temperature zones 13.8 times per shift. Temperatures increased above the recommended limit of 38 °C nearly 5 times per shift for an average of 26minutes each episode. Conclusions Unlike previous heat stress research that reported only maximum and mean temperature measurements, this analysis demonstrates a dynamic pattern of physiologic heat strain, with core body temperatures changing frequently and exceeding the 38 °C limit multiple times per shift. Further research is needed on the impact of multiple short-term, intermittent heat exposures on miners.
Subject:
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Article
Core Body Temperature
Heat Stress
Mining
Patterns Of Heat Strain Among A Sample Of US Underground Miners

Source:
J Occup Environ Med. 61(3):212-218;
Pubmed ID:
30531375
Pubmed Central ID:
PMC6537892
Document Type:
Journal Article;
Funding:
CC999999/Intramural CDC HHS/United States;
Place as Subject:
United States;
Collection(s):
CDC Public Access
Main Document Checksum:
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urn:sha256:117794b12e09c6f3c6970c056a5cd903f9b3b1a81dacc924d4461dff255be14a
File Type:

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