Berlanga-Bolado ÓM, Bermúdez FF, Córdova FR

Language: Spanish
References: 19
Page: 141-145
PDF size: 156.69 Kb.

ABSTRACT

Objective. Determine the reliability of infrared tympanic membrane thermometer.
Materials and methods. Rectal, axillary and tympanic temperatures were measured in 100 healthy full-term newborns.
Rectal and axillary temperature readings were taken with mercury-in-glass thermometers and tympanic temperature with an infrared tympanic one. Three readings of each temperature were taken and recorded the mean; these measurements were compared. The correlation coefficient was calculated and limits of 95% confidence interval were determined.
Results. The axillary temperature was 36.90 (± 0.41); rectal temperature was 37.19 (± 0.30) and tympanic temperature was 36.74 (± 0.43). The correlation between tympanic and rectal temperatures was r: 0.66 and the confidence interval were 0.53 to 0.76; the correlation between axillary and rectal measurements was r: 0.78 and the confidence interval of 95%: 0.69 to 0.81.
The value of r² between tympanic and rectal temperature was 0.44; the axillary and rectal was 0.61 and the axillary and tympanic was 0.37.
Conclusion. The use of infrared tympanic thermometers in healthy newborns is not recommended.

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