Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Πέμπτη 15 Ιουνίου 2017

Evaluation of the Temple Touch Pro, a Novel Noninvasive Core-Temperature Monitoring System.

BACKGROUND: The Temple Touch Pro (TTP) is a novel system that estimates core temperature from skin over the temporal artery. We tested the hypothesis that this noninvasive system estimates core temperature to an accuracy within 0.5[masculine ordinal indicator]C. METHODS: Core temperature was continuously monitored in 50 adult and pediatric surgical patients by positioning the sensor patch of a TTP over one temporal artery. The sensor consists of a thermistor array near the skin surface, another set of thermistors above an insulator, and a second insulator between the upper unit and the environment. The sensor measures skin temperature and heat flux, from which the monitor unit estimates core temperature from a proprietary algorithm. Reference core temperature was measured from the esophagus or nasopharynx. We conducted agreement analysis between the TTP and the reference core temperature measurements using the 95% Bland-Altman limits of agreement for repeated measurement data. The proportion of all differences that were within 0.5[masculine ordinal indicator]C and repeat measures concordance correlation coefficient (CCC) were estimated as well. RESULTS: TTP and the reference core temperature measurements agreed well in both adults and pediatric patients. Bland-Altman plots showed no evidence of systematic bias or variability over the temperature from 35.2[masculine ordinal indicator]C to 37.8[masculine ordinal indicator]C. The estimated 95% lower and upper limits of agreement were -0.57[masculine ordinal indicator]C (95% confidence interval [CI], -0.76 to -0.41) and 0.57[masculine ordinal indicator]C (95% CI, 0.44 to 0.71), indicating good agreement between the 2 methods. Ninety-four percentage (95% CI, 87% to 99%) of the TTP temperatures were within 0.5[masculine ordinal indicator]C of the reference temperature. Good agreement was also supported by an estimated repeated measures CCC of 0.82 (95% CI, 0.66 to 0.91). The TTP core temperature measurements also agreed well with nasopharyngeal reference temperatures. CONCLUSIONS: The noninvasive TTP system is sufficiently accurate and reliable for routine intraoperative core temperature monitoring. (C) 2017 International Anesthesia Research Society

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