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Influence of low ambient temperature on epitympanic temperature measurement: a prospective randomized clinical study

Overview of attention for article published in Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, November 2015
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Title
Influence of low ambient temperature on epitympanic temperature measurement: a prospective randomized clinical study
Published in
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, November 2015
DOI 10.1186/s13049-015-0172-5
Pubmed ID
Authors

Giacomo Strapazzon, Emily Procter, Gabriel Putzer, Giovanni Avancini, Tomas Dal Cappello, Norbert Überbacher, Georg Hofer, Bernhard Rainer, Georg Rammlmair, Hermann Brugger

Abstract

Epitympanic temperature (Tty) measured with thermistor probes correlates with core body temperature (Tcore), but the reliability of measurements at low ambient temperature is unknown. The aim of this study was to determine if commercially-available thermistor-based Tty reflects Tcore in low ambient temperature and if Tty is influenced by insulation of the ear. Thirty-one participants (two females) were exposed to room (23.2 ± 0.4 °C) and low (-18.7 ± 1.0 °C) ambient temperature for 10 min using a randomized cross-over design. Tty was measured using an epitympanic probe (M1024233, GE Healthcare Finland Oy) and oesophageal temperature (Tes) with an oesophageal probe (M1024229, GE Healthcare Finland Oy) inserted into the lower third of the oesophagus. Ten participants wore ear protectors (Arton 2200, Emil Lux GmbH & Co. KG, Wermelskirchen, Switzerland) to insulate the ear from ambient air. During exposure to room temperature, mean Tty increased from 33.4 ± 1.5 to 34.2 ± 0.8 °C without insulation of the ear and from 35.0 ± 0.8 to 35.5 ± 0.7 °C with insulation. During exposure to low ambient temperature, mean Tty decreased from 32.4 ± 1.6 to 28.5 ± 2.0 °C without insulation and from 35.6 ± 0.6 to 35.2 ± 0.9 °C with insulation. The difference between Tty and Tes at low ambient temperature was reduced by 82 % (from 7.2 to 1.3 °C) with insulation of the ear. Epitympanic temperature measurements are influenced by ambient temperature and deviate from Tes at room and low ambient temperature. Insulating the ear with ear protectors markedly reduced the difference between Tty and Tes and improved the stability of measurements. The use of models to correct Tty may be possible, but results should be validated in larger studies.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Italy 1 3%
Unknown 32 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 4 12%
Student > Master 4 12%
Unspecified 3 9%
Student > Doctoral Student 3 9%
Student > Bachelor 3 9%
Other 7 21%
Unknown 9 27%
Readers by discipline Count As %
Medicine and Dentistry 10 30%
Unspecified 3 9%
Nursing and Health Professions 2 6%
Engineering 2 6%
Neuroscience 2 6%
Other 5 15%
Unknown 9 27%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 June 2021.
All research outputs
#12,665,612
of 19,762,584 outputs
Outputs from Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
#883
of 1,176 outputs
Outputs of similar age
#160,309
of 298,922 outputs
Outputs of similar age from Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
#60
of 94 outputs
Altmetric has tracked 19,762,584 research outputs across all sources so far. This one is in the 33rd percentile – i.e., 33% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,176 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.3. This one is in the 21st percentile – i.e., 21% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 298,922 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 94 others from the same source and published within six weeks on either side of this one. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.