26 October 2017 Analysis of non-invasive FBG sensor for monitoring patient vital signs during MRI
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Abstract
This article focuses on the analysis and verification of a non-invasive fiber Bragg grating (FBG) sensor used for the monitoring of a patient`s heart rate (HR) and respiratory rate (RR) in a magnetic resonance environment (MRI). Measuring heart and respiratory rate were carried out on a group of five volunteers with their written consent during MRI examinations. The type of the scanner used in the experiment was GE Signa HDxt 1.5T. The benefit of this article lies in the design of a sensor in the form of a sensor pad. The sensor is placed beneath a patient`s body lying supine. The purpose is to increase and improve the patient`s safety as well as to help doctors to predict panic and hyperventilation attacks of patients during MRI examinations. Provided Bland-Altman statistical analysis demonstrates the heart and respiratory rate detection with a satisfactory accuracy for all five volunteers.
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Jan Nedoma, Marcel Fajkus, Radek Martinek, Vladimir Vasinek, "Analysis of non-invasive FBG sensor for monitoring patient vital signs during MRI", Proc. SPIE 10440, Optical Materials and Biomaterials in Security and Defence Systems Technology XIV, 104400H (26 October 2017); doi: 10.1117/12.2277399; https://doi.org/10.1117/12.2277399
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