NDLI: Shear wave speed measurement using repeated short push pulses

Content Provider	IEEE Xplore Digital Library
Author	Heng Zhao Amador, C. Urban, M.W. Pengfei Song Greenleaf, J.F. Shigao Chen
Copyright Year	2012
Description	Author affiliation: Dept. of Physiol. & Biomed. Eng., Mayo Clinic Coll. of Med., Rochester, MN, USA (Heng Zhao; Amador, C.; Urban, M.W.; Pengfei Song; Greenleaf, J.F.; Shigao Chen)
Abstract	Measurement of shear wave propagation speed in tissues has clinical significance of indicating tissue stiffness and health state. Shear waves are usually produced by a high voltage, long duration ultrasound push beam. Many ultrasound scanners cannot produce such push beams due to power droop of the transmit circuitry. We propose using repeated short push pulses instead to generate shear waves. The waveform of such shear wave is separated into a push and a release shear wave as the collective push duration increases. Shear wave magnitudes and speeds in phantoms produced by different numbers and repetition intervals of short pulses were studied and the speeds were compared with 1D transient elastography results. The method was further validated using in vivo biceps measurements from a healthy volunteer. Results show accurate shear wave speed can be measured from shear waves produced by multiple short push pulses. Such short Doppler-like pulses could be used by conventional and low-end ultrasound scanners to do shear wave measurement.
Starting Page	1854
Ending Page	1857
File Size	1980198
Page Count	4
File Format	PDF
ISBN	9781467345613
ISSN	19485719
e-ISBN	9781467345620
DOI	10.1109/ULTSYM.2012.0465
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-07
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force Phantoms Velocity measurement Ultrasonic imaging Pulse measurements Atmospheric measurements Release shear wave Short push pulse Ultrasound radiation force
Content Type	Text
Resource Type	Article

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
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