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[Is measurement of body temperature by infrared tympanic thermometry reproducible?]
L M Joly1, B Giraudeau, M Monchi
1Département de neuro-anesthésie-réanimation, hôpital Sainte-Anne, rue Cabanis, 75014 Paris, France.
Objective:
To assess the reliability of body temperature estimated by infrared tympanic thermometry.
Study Design:
Prospective study.
Patients And Methods:
71 patients in a neurosurgical intensive care unit. 393 triplets of measurements were performed: right ear, left ear and right ear again.
Results:
Limits of agreements are [-1, +1 degree C] between both ears, and [-0.6, +0.7 degree C] for two consecutive measurements in the right ear. The Bland and Altman diagram show that most of the points responsible for the lack of accuracy are between 36 and 37 degrees C.
Conclusion:
These values give an estimation of the technique's accuracy. In our point of view, such a reproducibility is adequate for daily clinical practice. The accuracy of infrared tympanic thermometry with the First Temp Genius seems reasonable for the clinical practice when the temperature is over 37 degrees C.
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