NDLI: High frequency ultrasound with an eigen-decomposition filter to assess the effect of laser cyclophotocoagulation treatment on blood flow

Content Provider	IEEE Xplore Digital Library
Author	Kruse, D.E. Lim, M.C. Redline, D.E. Eisele, P.H. Ferrara, K.W.
Copyright Year	2002
Description	Author affiliation: California Univ., Davis, CA, USA (Kruse, D.E.)
Abstract	We use high frequency ultrasound to assess the effect of laser cyclophotocoagulation (CPC) on blood flow in the anterior segment of the eye. We show that laser CPC treatment applied to the rabbit eye provides a unique way to interrupt blood flow in the ciliary body, thus serving as a new method for evaluating clutter rejection performance in the microcirculation with and without an ultrasound contrast agent. We apply a recently developed eigendecomposition-based clutter rejection filter with modifications to deal with high blood-to-clutter ratio's (BCR) encountered at high frequencies, particularly with ultrasound contrast agents. In vivo results are presented to illustrate treatment effects, clutter rejection, and contrast agent enhancement.
Sponsorship	Ultransonics Ferroelectr., & Frequency Control Soc
Starting Page	1485
Ending Page	1489
File Size	223305
Page Count	5
File Format	PDF
ISBN	0780375823
ISSN	10510117
DOI	10.1109/ULTSYM.2002.1192578
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-08
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency Ultrasonic imaging Filters Blood flow Signal processing Medical treatment Biomedical imaging Rabbits In vivo Monitoring
Content Type	Text
Resource Type	Article

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