Plastic Optical Fiber Sensor for Noninvasive Arterial Pulse Waveform Monitoring

Central arterial pulse pressure monitoring has been considered a key factor in hypertension assessment and cardiovascular prevention. In this paper, it is presented an intensity-based plastic optical fiber sensor for noninvasive monitoring of the carotid pulse waveform. The advantages of this sensin...

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Published inIEEE sensors journal Vol. 15; no. 1; pp. 14 - 18
Main Authors Jorge Leitão, Cátia Sofia, da Costa Antunes, Paulo Fernando, Mesquita Bastos, José Adelino, de Lemos Pinto, João, de Brito André, Paulo Sérgio
Format Journal Article
LanguageEnglish
Published IEEE 01.01.2015
Subjects
Arteries
Heart
Monitoring
Optical fiber sensors
Optical fibers
Reflection
Optical fiber sensors
plastic optical fiber
biomedical transducer
hypertension
cardiology
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Abstract Central arterial pulse pressure monitoring has been considered a key factor in hypertension assessment and cardiovascular prevention. In this paper, it is presented an intensity-based plastic optical fiber sensor for noninvasive monitoring of the carotid pulse waveform. The advantages of this sensing method are the low implementation cost, high robustness, and the signal processing simplicity. The sensor showed a suitable sensitivity to movements up to 370 μm, with a displacement resolution of 0.1 μm. As preliminary proof of concept, the sensor was used to detect the arterial pulse waveform in some human subjects, allowing the assessment of key indexes for heart and arterial stiffness evaluation, such as augmentation index, subendocardial viability ratio, and ejection duration.
AbstractList Central arterial pulse pressure monitoring has been considered a key factor in hypertension assessment and cardiovascular prevention. In this paper, it is presented an intensity-based plastic optical fiber sensor for noninvasive monitoring of the carotid pulse waveform. The advantages of this sensing method are the low implementation cost, high robustness, and the signal processing simplicity. The sensor showed a suitable sensitivity to movements up to 370 μm, with a displacement resolution of 0.1 μm. As preliminary proof of concept, the sensor was used to detect the arterial pulse waveform in some human subjects, allowing the assessment of key indexes for heart and arterial stiffness evaluation, such as augmentation index, subendocardial viability ratio, and ejection duration.
Author de Lemos Pinto, João
Jorge Leitão, Cátia Sofia
da Costa Antunes, Paulo Fernando
Mesquita Bastos, José Adelino
de Brito André, Paulo Sérgio
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Keywords Optical fiber sensors
plastic optical fiber
biomedical transducer
hypertension
cardiology
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SubjectTerms Arteries
Heart
Monitoring
Optical fiber sensors
Optical fibers
Reflection
Title Plastic Optical Fiber Sensor for Noninvasive Arterial Pulse Waveform Monitoring
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Volume 15
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