Fiber Bragg Grating Strain Sensor Incorporated to Monitor Patient Vital Signs During MRI

This paper reports on results obtained from monitoring the respiration and cardiac activity of a patient during a magnetic resonance imaging (MRI) survey using an optical strain sensor based on a fiber Bragg grating. The sensor is proposed specifically to acquire ballistocardiographic signals from a...

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Bibliographic Details
Published in:IEEE sensors journal 2013-12, Vol.13 (12), p.4986-4991
Main Authors: Dziuda, Lukasz, Krej, Mariusz, Skibniewski, Franciszek Wojciech
Format: Article
Language:English
Subjects:
Ballistocardiography (BCG)
fiber Bragg gratings (FBGs)
Fiber gratings
Heart rate
heart rate (HR)
Magnetic resonance imaging
magnetic resonance imaging (MRI)
Monitoring
Optical fiber sensors
respiration rate (RR)
Strain
strain sensors
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Summary:This paper reports on results obtained from monitoring the respiration and cardiac activity of a patient during a magnetic resonance imaging (MRI) survey using an optical strain sensor based on a fiber Bragg grating. The sensor is proposed specifically to acquire ballistocardiographic signals from a patient exposed to high intensity electromagnetic radiation. A Bland-Altman analysis shows the measurements that have a satisfactory accuracy for monitoring purposes, and the relative error is . The method is both noninvasive and safe for the patient. In addition, the sensor does not affect the MRI imaging quality.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2013.2279160