Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients

Abstract Core temperature (TCore) monitoring is essential in intensive care medicine. Bladder temperature is the standard of care in many institutions, but not possible in all patients. We therefore compared core temperature measured with a zero-heat flux thermometer (TZHF) and with a bladder cathet...

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Autores principales:	Anselm Bräuer, Albulena Fazliu, Thorsten Perl, Daniel Heise, Konrad Meissner, Ivo Florian Brandes
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/eef0d7ae906b4e55bbd1e7173c554e50
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spelling	oai:doaj.org-article:eef0d7ae906b4e55bbd1e7173c554e502021-12-02T12:33:05ZAccuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients10.1038/s41598-020-78753-w2045-2322https://doaj.org/article/eef0d7ae906b4e55bbd1e7173c554e502020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78753-whttps://doaj.org/toc/2045-2322Abstract Core temperature (TCore) monitoring is essential in intensive care medicine. Bladder temperature is the standard of care in many institutions, but not possible in all patients. We therefore compared core temperature measured with a zero-heat flux thermometer (TZHF) and with a bladder catheter (TBladder) against blood temperature (TBlood) as a gold standard in 50 critically ill patients in a prospective, observational study. Every 30 min TBlood, TBladder and TZHF were documented simultaneously. Bland–Altman statistics were used for interpretation. 7018 pairs of measurements for the comparison of TBlood with TZHF and 7265 pairs of measurements for the comparison of TBlood with TBladder could be used. TBladder represented TBlood more accurate than TZHF. In the Bland Altman analyses the bias was smaller (0.05 °C vs. − 0.12 °C) and limits of agreement were narrower (0.64 °C to − 0.54 °C vs. 0.51 °C to – 0.76 °C), but not in clinically meaningful amounts. In conclusion the results for zero-heat-flux and bladder temperatures were virtually identical within about a tenth of a degree, although TZHF tended to underestimate TBlood. Therefore, either is suitable for clinical use. German Clinical Trials Register, DRKS00015482, Registered on 20th September 2018, http://apps.who.int/trialsearch/Trial2.aspx?TrialID=DRKS00015482 .Anselm BräuerAlbulena FazliuThorsten PerlDaniel HeiseKonrad MeissnerIvo Florian BrandesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-7 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anselm Bräuer Albulena Fazliu Thorsten Perl Daniel Heise Konrad Meissner Ivo Florian Brandes Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
description	Abstract Core temperature (TCore) monitoring is essential in intensive care medicine. Bladder temperature is the standard of care in many institutions, but not possible in all patients. We therefore compared core temperature measured with a zero-heat flux thermometer (TZHF) and with a bladder catheter (TBladder) against blood temperature (TBlood) as a gold standard in 50 critically ill patients in a prospective, observational study. Every 30 min TBlood, TBladder and TZHF were documented simultaneously. Bland–Altman statistics were used for interpretation. 7018 pairs of measurements for the comparison of TBlood with TZHF and 7265 pairs of measurements for the comparison of TBlood with TBladder could be used. TBladder represented TBlood more accurate than TZHF. In the Bland Altman analyses the bias was smaller (0.05 °C vs. − 0.12 °C) and limits of agreement were narrower (0.64 °C to − 0.54 °C vs. 0.51 °C to – 0.76 °C), but not in clinically meaningful amounts. In conclusion the results for zero-heat-flux and bladder temperatures were virtually identical within about a tenth of a degree, although TZHF tended to underestimate TBlood. Therefore, either is suitable for clinical use. German Clinical Trials Register, DRKS00015482, Registered on 20th September 2018, http://apps.who.int/trialsearch/Trial2.aspx?TrialID=DRKS00015482 .
format	article
author	Anselm Bräuer Albulena Fazliu Thorsten Perl Daniel Heise Konrad Meissner Ivo Florian Brandes
author_facet	Anselm Bräuer Albulena Fazliu Thorsten Perl Daniel Heise Konrad Meissner Ivo Florian Brandes
author_sort	Anselm Bräuer
title	Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
title_short	Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
title_full	Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
title_fullStr	Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
title_full_unstemmed	Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
title_sort	accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/eef0d7ae906b4e55bbd1e7173c554e50
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Accuracy of zero-heat-flux thermometry and bladder temperature measurement in critically ill patients

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