NDLI: The Changes in Pulse Transit Time at Specific Cuff Pressures during Inflation and Deflation

Content Provider	IEEE Xplore Digital Library
Author	Yinbo Liu Poon, C.C.Y. Zhang, Y.T.
Copyright Year	2006
Description	Author affiliation: Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin (Yinbo Liu; Poon, C.C.Y.; Zhang, Y.T.)
Abstract	The changes in pulse transit time (PTT) during the continuous slow deflation of brachial cuff were early reported; however, the PTTs obtained for specific cuff pressures during inflation or deflation have not been compared before. Therefore, the objective of this study is to examine the differences in PTT when cuff pressure (Peun) was raised or deflated to the desired level. Sixteen subjects participated in this study and according to their systolic blood pressure (SBP) and diastolic blood pressure (DBF), 8 levels of Pcuff were predetermined for them individually. Pcuff was directly raised to each predetermined level while 20 seconds of electrocardiographic and photoplethysmographic signals were recorded for the calculation of PTT. Another set of recordings were taken when Pcuff was raised above the SBP and deflated to the predetermined levels. The results of this study showed that PTT increase significantly when Pcuff was larger than 80% of DBF, regardless of whether Pcuff was reached by inflation or deflation. Overall, no significant difference was found between PTT obtained during inflation and deflation for 12 out of the 16 subjects. To conclude, changes in PTT are mainly induced by the level of cuff pressure when there is no prolonged period of artery occlusion
Sponsorship	IEEE EMB
Starting Page	6404
Ending Page	6405
File Size	184065
Page Count	2
File Format	PDF
ISBN	1424400325
ISSN	1557170X
DOI	10.1109/IEMBS.2006.260410
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse measurements Arteries Brachytherapy Electrocardiography Blood pressure Aging Force measurement Ultrasonic variables measurement Cities and towns USA Councils
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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