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Published VersionCC BY V4.0, Open Access
Journal article
Zero-Heat-Flux and Esophageal Temperature Monitoring in Orthopedic Surgery: An Observational Study
Journal of Multidisciplinary Healthcare, Vol.14, pp.1819-1827
2021
PMCID: PMC8286425
PMID: 34285500
Abstract
Purpose: Perioperative hypothermia prevention requires regular, accurate, and consistent temperature monitoring. Zero-heat-flux (ZHF) thermometry offers a non-invasive, measurement method that can be applied across all surgical phases. The purpose of this study was to measure agreement between the zero-heat-flux device and esophageal monitoring, sensitivity, and specificity to detect hypothermia and patient acceptability amongst patients undergoing upper and lower limb orthopedic surgery.
Patients and Methods: This prospective, observational study utilized Bland-Altman analysis and Lin's concordance coefficient to measure agreement between devices, sensitivity and specificity to detect hypothermia and assessed patient acceptability amongst 30 patients between December 2018 and June 2019.
Results: Bias was observed between devices via Bland Altman, with bias dependent on actual temperature. The mean difference ranged from -0.16 degrees C at 34.9 degrees C (where the mean of ZHF was lower than the esophageal device) to 0.46 degrees C at 37.25 degrees C (where the mean of ZHF was higher than esophageal device), with 95% limits of agreement (max) upper LOA = 0.80 to 1.41, lower LOA = -1.12 to -0.50. Seventy-five percentage of zero-heat-flux measurements were within 0.5 degrees C of esophageal readings. Patient acceptability was high; 96% (n=27) stated that the device was comfortable.
Conclusion: ZHF device achieved lesser measurement accuracy with core (esophageal) temperature compared to earlier findings. Nonetheless, due to continuous capability, non-invasiveness and patient reported acceptability, the device warrants further evaluation.
Details
- Title
- Zero-Heat-Flux and Esophageal Temperature Monitoring in Orthopedic Surgery: An Observational Study
- Authors
- Judy Munday (Corresponding Author) - Queensland University of TechnologyNiall Higgins (Author) - Queensland University of TechnologyLee Jones (Author) - Queensland University of TechnologyDimitrios Vagenas (Author) - Queensland University of TechnologyAndre Van Zundert (Author) - Queensland University of TechnologySamantha Keogh (Author) - Queensland University of Technology
- Publication details
- Journal of Multidisciplinary Healthcare, Vol.14, pp.1819-1827
- Publisher
- Dove Medical Press Ltd
- Date published
- 2021
- DOI
- 10.2147/JMDH.S313310
- ISSN
- 1178-2390
- PMID
- 34285500; PMC8286425
- Copyright note
- © 2021 The Author(s). This work is published by Dove Medical Press Limited, and licensed under a Creative Commons Attribution License. The full terms of the License are available at http://creativecommons.org/licenses/by/4.0/. The license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
- Data Availability
- De-identified participant temperature data are available on request from the Corresponding Author.
- Grant note
- This study was supported by a QUT School of Nursing pilot study grant.
- Organisation Unit
- School of Health - Nursing
- Language
- English
- Record Identifier
- 99991063402621
- Output Type
- Journal article
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