Intravenous fluid temperature management by infrared thermometer |
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| Authors: | Lapostolle Frédéric Catineau Jean Le Toumelin Philippe Proust Clément Garrigue Bruno Galinski Michel Adnet Frédéric |
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| Affiliation: | 2. Department of Anatomy and Neurobiology, University of Puerto Rico Medical School, San Juan, Puerto Rico;3. National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, United Kingdom;2. National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida;3. Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida;4. State Key Laboratory of Magnetic Resonance and Molecular and Atomic Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, PR China;5. Del Shankel Structural Biology Center, University of Kansas, Lawrence, Kansas;1. Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine, Tohoku University School of Medicine, Sendai, Japan;2. Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA;1. State Key Laboratory of Tunable Laser Technology Research, Institute of Optic-Electronics, Harbin Institute of Technology, Harbin 150001, China;2. Nature Science Research Center of Science and Technology, Harbin Institute of Technology, Harbin 150001, China;3. College of Mathematics, Physics and Information Engineering, Zhejiang Normal University, Jinhua 321004, China;2. Department of Chemistry, University of Chicago, Chicago, Illinois;3. Institute for Biophysical Dynamics, University of Chicago, Chicago, Illinois;4. James Franck Institute, University of Chicago, Chicago, Illinois;5. Computation Institute, University of Chicago, Chicago, Illinois |
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| Abstract: | BACKGROUND: The management of intravenous (IV) fluid temperature is a daily challenge in critical care, anesthesiology, and emergency medicine. Infusion of IV fluids at the right temperature partly influences clinical outcomes of critically ill patients. Nowadays, intravenous fluid temperature is poorly managed, as no suitable device is routinely available. Infrared (IR) thermometers have been recently developed for industrial, personal, or medical purposes. The aim of this study was to evaluate the accuracy of an IR thermometer in measuring temperature of warmed and cooled infusion fluids in fluid bags. METHODS: This study compared temperatures simultaneously recorded by an infrared thermometer and a temperature sensor. Temperatures of warmed (41 degrees C) and cooled (4 degrees C) infusion fluids in fluid bags were recorded by 2 independent operators every minute until IV bags' temperature reached ambient temperature. RESULTS: The relation curve was established with 576 measures. Temperature measures performed with an IR thermometer were perfectly linear and perfectly correlated with the reference method (R(2) = 0.995, P < 10(-5)). CONCLUSION: Infrared thermometers are efficient to measure IV fluid bag temperature in the range of temperatures used in clinical practice. As these devices are easy to use and inexpensive, they could be largely used in critical care, anesthesiology, or emergency medicine. |
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