Validity of capsule type core body temperature measuring devices

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  • カプセル式深部体温測定器における妥当性の検討
  • カプセルシキ シンブ タイオン ソクテイキ ニ オケル ダトウセイ ノ ケントウ

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Abstract

A capsule type core body temperature measuring device is used to measure core body temperature in field condition. There are studies that have examined the validity of the devices, but no studies have compared the measured values when ingesting CorTemp and e-Celsius. The purpose of this study was to confirm the validity of CorTemp and e-Celsius, and to investigate the difference between the devices when ingested. As trial 1, the capsules of both devices and the reference thermometer were put in a cup containing hot water, and measurements were performed when the temperature naturally decreased. As trial 2, one male was ingested capsules and the core body temperature during exercise was measured. A strong correlation was found between the devices and the reference thermometer in both CorTemp and e-Celsius in trial 1 (P<0.001). A mean difference of 0.48±0.19°C and a maximum difference of 0.88°C were found between the devices, with a lower value remained in e-Celsius in trial 2. Taken together, CorTemp and e-Celsius are valid, however the measured values may possibility differ depending on the position of the capsule when ingested.

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