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Related Experiment Videos

Heat stroke: report on 18 cases.

M Khogali, J S Weiner

    Lancet (London, England)
    |August 9, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Rapid evaporative cooling effectively reduced hyperpyrexia in patients. Maintaining skin warmth during cooling aided recovery, supporting the hypothesis on heat stroke pathogenesis.

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    Area of Science:

    • Emergency Medicine
    • Thermoregulation
    • Environmental Health

    Background:

    • Hyperpyrexia, characterized by extremely high body temperature, is a critical medical emergency.
    • Heat stroke pathogenesis is complex, involving metabolic heat production and peripheral responses.
    • Effective cooling strategies are vital for improving outcomes in hyperpyrexia patients.

    Purpose of the Study:

    • To evaluate the efficacy of rapid evaporative cooling in hyperpyrexia patients.
    • To investigate the role of skin temperature management in heat stroke treatment.
    • To test the hypothesis linking peripheral vasoconstriction and metabolic heat to heat stroke.

    Main Methods:

    • Utilized a rapid evaporative cooling unit for hyperpyrexial patients (mean rectal temperature 42.3°C).

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  • Maintained patient skin warmth during the cooling process to promote vasodilation.
  • Monitored core body temperature to determine cooling rates.

    • Main Results:

    • Sixteen out of eighteen hyperpyrexial patients recovered following rapid cooling.
    • Cooling time to 38°C ranged from 26 minutes to 5 hours.
    • Two diabetic patients with hyperpyrexia did not survive.

    Conclusions:

    • Rapid evaporative cooling is an effective treatment for hyperpyrexia.
    • Maintaining skin warmth during cooling may facilitate recovery by promoting vasodilation.
    • Peripheral vasoconstriction and high metabolic heat output are likely key factors in heat stroke development.