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Related Experiment Videos

Simplified and highly accurate core temperature measurements

F G Shellock, S A Rubin

    Medical Progress Through Technology
    |January 1, 1982
    PubMed
    Summary

    A new thermistor catheter accurately measures pulmonary artery blood temperature for thermoregulation studies. This versatile device also supports intracardiac pressure monitoring and blood sampling, aiding various clinical applications.

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    Area of Science:

    • Medical Devices
    • Physiology
    • Clinical Monitoring

    Background:

    • Accurate core body temperature measurement is crucial for physiological research and clinical management.
    • Existing methods for core temperature monitoring may have limitations in accuracy or invasiveness.
    • Pulmonary artery blood temperature offers a reliable indicator of core temperature.

    Purpose of the Study:

    • To describe a commercially available thermistor catheter for accurate core temperature measurement.
    • To assess the feasibility of using this catheter for pulmonary artery blood temperature monitoring.
    • To highlight the catheter's potential applications in thermoregulation studies and clinical practice.

    Main Methods:

    • Utilized a commercially available thermistor catheter with high accuracy (+/- 0.01 degree C).
    • Evaluated the device's capability to measure pulmonary artery blood temperature.
    • Explored concurrent monitoring of intracardiac pressure, cardiac output via thermodilution, and mixed venous blood sampling.

    Main Results:

    • The thermistor catheter demonstrated high accuracy in measuring pulmonary artery blood temperature.
    • The device proved feasible for core temperature monitoring in thermoregulation research.
    • The catheter's multi-functional capabilities were confirmed.

    Conclusions:

    • The described thermistor catheter is a valuable tool for precise core temperature measurement.
    • Its application extends to thermoregulation studies, diagnosis of malignant hyperthermia, and post-hypothermic cardiopulmonary bypass monitoring.
    • This device offers a reliable and versatile solution for critical temperature monitoring in diverse clinical settings.

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