NDLI: Improved time domain BRS assessment with the use of baroreflex events

Content Provider	IEEE Xplore Digital Library
Author	Gouveia, S. Rocha, A.P. Laguna, P. Lago, P.
Copyright Year	2007
Description	Author affiliation: Dep de Mat. Aplic., Univ. do Porto, Porto (Gouveia, S.; Rocha, A.P.; Lago, P.) \|\| Comm Tech Group, Univ of Zaragoza, Zaragoza (Laguna, P.)
Abstract	The sequences technique is based on a linear regression of SBP and RR values in baroreflex sequences (BSs). In normal conditions most of BSs have 3 beats length and the estimated slope is potentially inaccurate. Also, the number of beats in BSs is approximately 25% of the total number of beats, evidencing that a large part of the data is discarded from BRS analysis. In this work, global BRS estimators combined with baroreflex events (BEs) are proposed as a way to improve BRS assessment in normal conditions and to allow its quantification in cases of BS absence. The results in the EuroBaVar dataset showed that the number of beats in BEs gets up to 50% of the total, with correlation between the corresponding SBP and RR values close to 0.8. Also, BRS assessment based on global estimators combined with BEs distinguishes Lying from Standing positions in all the subjects of that dataset, including those without identified BSs.
Starting Page	813
Ending Page	816
File Size	2157562
Page Count	4
File Format	PDF
ISBN	9781424425334
ISSN	02766547
DOI	10.1109/CIC.2007.4745610
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Baroreflex Linear regression Blood pressure Cardiology Performance analysis
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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