NDLI: Myocardial infarct reconstruction and sizing by three-dimensional echocardiography

Content Provider	IEEE Xplore Digital Library
Author	King, D.L. King Jr., D.L. Gopal, A.S. Shao, M.Y.C.
Copyright Year	1992
Description	Author affiliation: Columbia Univ. Coll. of Physicians & Surgeons, New York, NY, USA (King, D.L.; King, D.L., Jr.; Gopal, A.S.; Shao, M.Y.C.)
Abstract	Current 2-D echo methods are based on use of geometric assumptions that are likely to be invalid in the presence of infarction. 3-D echo eliminates these assumptions and uses a line of intersection display to position non-parallel, unevenly spaced, non-intersecting images of the ventricle. Chamber boundaries are traced and infarct margins marked. Using a polyhedral surface reconstruction algorithm total endocardial surface area (TESA) and infarct surface area (ISA) are computed. The accuracy of this method was assessed by using a pin model, fixed animal hearts, and in humans, by comparison to magnetic resonance imaging (MRI). Accuracies for TESA and ISA for the pin model were 1.36% and 2.13%, and for the fixed hearts were 1.61% and 3.48%. In 15 normal humans, 3-D TESA correlated very well with MRI TESA with a standard error of the estimate of 8 cm/sup 2/. 3-D echo accurately computes surface areas presented to it by the operator without the use of geometric assumptions.<>
Starting Page	627
Ending Page	630
File Size	329402
Page Count	4
File Format	PDF
ISBN	0818635525
DOI	10.1109/CIC.1992.269380
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Myocardium Surface reconstruction Magnetic resonance imaging Instruction sets Heart Humans Image reconstruction Displays Reconstruction algorithms Animals
Content Type	Text
Resource Type	Article

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