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Temperature measurements in trauma patients: is the ear the key to the core?

Uleberg, Oddvar; Eidstuen, Signy Camilla; Vangberg, Gunnar; Skogvoll, Eirik
Peer reviewed, Journal article
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Uleberg.pdf (609.3Kb)
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http://hdl.handle.net/11250/2381925
Utgivelsesdato
2015
Metadata
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  • Fakultet for medisin og helsevitenskap (uspesifisert) [220]
  • Institutt for sirkulasjon og bildediagnostikk [1048]
  • Publikasjoner fra CRIStin - NTNU [20842]
Originalversjon
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2015, 23:101   10.1186/s13049-015-0178-z
Sammendrag
Introduction: It is important to monitor the core temperature in a severely injured patient. The choice of method

is controversial, and different thermometers and sites for measurement are used. The aim of this study was to

investigate continuous epitympanic temperature measurement using an auditory canal sensor in potentially

severely injured patients and to compare this method with other commonly used devices.

Methods:In this cohort of potentially severely injured patients, the core temperature was registered continuously

using an epitympanic sensor in the auditory canal, beginning at the accident scene through the first hours after

admittance to the hospital. According to clinical practice, other methods of measurement were employed during

pre- and in-hospital diagnostics and therapeutics. The consistency between different methods was analysed using

Bland-Altman plots, and the limits of agreement (LOA) and bias between methods was estimated.

Results:During the study period, 18 patients were included. A total of 393 temperature measurements were

obtained using seven different methods. We found that temperature measurements in the auditory canal agreed

satisfactorily with most other types of measurements. The most consistent measurement was observed with

bladder measurements (bias 0.43 °C, LOA−0.47, 1.33 °C), which was constant over the temperature range

investigated (30.0 - 38.3 °C).

Conclusion:Epitympanic temperature measurement in potentially severely injured patients was consistent with

other methods that were commonly used to measure core temperature. The difference between measurement

methods appeared to be constant over the relevant temperature range. Continuous epitympanic thermometry can

be considered a reliable, cost-effective and simple alternative compared with more invasive methods of

thermometry.
Utgiver
BioMed Central
Tidsskrift
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

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