NDLI: Novel method of automatic auscultation for blood pressure measurement using pulses in cuff pressure and korotkoff sound

Content Provider	IEEE Xplore Digital Library
Author	Park, D.K. Oh, H.S. Kang, J.H. Kim, I.Y. Chee, Y.J. Lee, J.S.
Copyright Year	2008
Description	Author affiliation: Hanyang Univ., Seoul (Park, D.K.; Oh, H.S.; Kang, J.H.; Kim, I.Y.; Chee, Y.J.; Lee, J.S.)
Abstract	In the NIBP (Non-Invasive Blood Pressure) measurement, we need well trained observer and there are differences in reading values between observers. We suggest new automated auscultation algorithms to select the proper epoch of K-sound for each heart beat. The sound for each epoch is converted into frequency domain and total power was calculated. We decided SBP(Systolic Blood Pressure) point when there was abrupt jump from the baseline. DBP (Diastolic blood pressure) was decided when there was the biggest drop in total power of successive beats. For the validation of our suggested method, human observer assessed SBP/DBP according to EHS (European Hypertension Society) recommendation. The mean differences between the automatic method and traditional auscultation method were 2.0 mmHg for SBP and 3.1 mmHg for DBP. We also took the paired t-test with the two results, and there was no statistically significant difference between these two methods.
Starting Page	181
Ending Page	184
File Size	391302
Page Count	4
File Format	PDF
ISBN	9781424437061
ISSN	02766547
DOI	10.1109/CIC.2008.4749007
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-14
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Pulse measurements Blood pressure Pressure measurement Heart beat Humans Microphones Band pass filters Timing Arteries Frequency domain 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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