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Using alternating Kalman filtering to analyze oscillometric blood pressure waveforms
Autonomous Univ Nuevo Leon, Monterrey, NL, Mexico.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.
Vrije Universiteit Brussel, Brussels, Belgium.
2013 (English)In: IEEE Transactions on Instrumentation and Measurement, ISSN 0018-9456, Vol. 62, no 10, 2621-2628 p.Article in journal (Refereed) Published
Abstract [en]

Measuring the blood pressure as accurately as possible can save a lot of human lives. Hence, it is very important to find an optimal method to determine the systolic and diastolic pressures out of the measured oscillometric blood pressure waveform (OBPW). Recently, studies have shown that by working in the frequency domain, outperforming results could be obtained for the separation of breathing from cardiac activity. In this paper, we present a new implementation of the Kalman filtering algorithm to estimate the envelope of the cardiac activity. Even though the alternating Kalman filter algorithm has subharmonic infiltrations, it offers an envelope that, when applied together with the Windkessel model for calibration, substantially reduces the error of the calibrated systolic and diastolic pressures. This important result validates the non-linear model for the OBPW, as well as the Windkessel model for calibration.

Place, publisher, year, edition, pages
2013. Vol. 62, no 10, 2621-2628 p.
Keyword [en]
Blood pressure oscillometric waveform, digital Fourier transform, digital Taylor-Fourier transform
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hig:diva-16001DOI: 10.1109/TIM.2013.2258765ISI: 000324574200003Scopus ID: 2-s2.0-84884415233OAI: oai:DiVA.org:hig-16001DiVA: diva2:687306
Available from: 2014-01-14 Created: 2014-01-14 Last updated: 2014-01-31Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
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  • ieee
  • modern-language-association-8th-edition
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  • Other style
More styles
Language
  • sv-SE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
  • rtf