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Optical fiber sensors for central arterial pressure monitoring

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Abstract

Arterial central pressure measures are usually performed applying transfer functions to radial data, using electromechanical sensors called tonometers. The demand for simpler, user friendly and lower cost solutions, not disregarding reliability, has been motivating the study and implementation of optical sensors for such application. Our work intends to explore portable, user-friendly and/or lower cost sensors for central arterial pulse pressure monitoring. For that we had developed fiber Bragg grating and plastic optical fiber intensity based sensors. This paper presents the comparison of both technologies resolution. The FBG probe system has a resolution of around 0.02 µm and the POF system 0.05 µm. The low cost POF system ability of detecting the pulse wave at the same subjects and conditions during a week were analyzed, as well as the monitoring of central arterial pressure changes at different heart rates. The results shown that this system have a reliable response during a time interval of a week, being now ready for clinical trials.

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Acknowledgments

This work is funded by FEDER funds through the COMPETE 2020 Program, National Funds through FCT—Portuguese Foundation for Science and Technology under the projects projects UID/EEA/50008/2013 and UID/CTM/50025/2013. Paulo Antunes is grateful for the FCT Postdoctoral fellowship SFRH/BPD/76735/2011 and Cátia Leitão acknowledges the FCT Doctoral fellowship SFRH/BD/84076/2012.

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Authors and Affiliations

  1. Instituto de Telecomunicações, I3 N and Department of Physics, University of Aveiro, 3810-193, Aveiro, Portugal

    C. Leitão, P. Antunes & J. Pinto

  2. Centro Hospitalar do Baixo Vouga E.P.E., Avenida Artur Ravara, 3810-501, Aveiro, Portugal

    J. Mesquita Bastos

  3. Instituto de Telecomunicações and Department of Electrical and Computer Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001, Lisbon, Portugal

    P. André

Authors
  1. C. Leitão
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  2. P. Antunes
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  3. J. Pinto
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  4. J. Mesquita Bastos
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  5. P. André
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Corresponding author

Correspondence to C. Leitão.

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This article is part of the Topical Collection on Laser technologies and laser applications.

Guest Edited by José Figueiredo, José Rodrigues, Nikolai A. Sobolev, Paulo André and Rui Guerra.

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Leitão, C., Antunes, P., Pinto, J. et al. Optical fiber sensors for central arterial pressure monitoring. Opt Quant Electron 48, 218 (2016). https://doi.org/10.1007/s11082-016-0494-1

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  • DOI: https://doi.org/10.1007/s11082-016-0494-1

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