الفهرس 
Title : Accuracy of infrared thermography for detecting febrile critically ill patients: a prospective cohort study
AbstractOnly 14 pages are availabe for public view
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Abstract
Infrared thermography (IRT) is a non-contact and non-invasive imaging approach that enable real-time estimation of body temperature by detecting infrared emission. IRT had been used for screening for mass detection of febrile patients at airport. The study{u2019}s aim was to determine the accuracy of IRT in detecting febrile critically ill patients. Methods In this prospective observational study, we included 121 adult intubated critically ill patients. Simultaneous esophageal, IRT of medial canthus, axillary, and tympanic membrane temperature were obtained. Our primary outcome was accuracy of IRT, axillary and tympanic membrane temperature to detect fever (esophageal temperature {u2265}38.3{u00B0}C) using area under receiver operating characteristic curve (AUC) analysis. Other outcomes included correlation and agreement between each of IRT, axillary and tympanic membrane temperature with esophageal temperature using Spearman correlation coefficient and Bland-Altman analysis Results We analyzed 136, 130 and 135 paired readings obtained from IRT, axillary and tympanic membrane thermometer. All the studied methods showed comparable excellent accuracy in detecting fever. The best cut-off value for detecting fever was >38.1{u00B0}C with negative predictive value {u2248}99% in all methods. IRT showed relatively high positive predictive value (85%) in comparison to the axillary (74%) and tympanic membrane temperature (73%). IRT showed the highest correlation coefficient