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Numerical and Experimental Study of a Novel Phase Contrast Technique: Self Reference Phase-Contrast Magnetic Resonance Imaging

[+] Author Affiliations
Longchuan Li, Andreas S. Anayiotos

University of Alabama at Birmingham, Birmingham, AL

Mark Doyle, Geetha Rayarao, Eduardo Kortright

Allegheny General Hospital, Pittsburgh, PA

Paper No. SBC2007-175397, pp. 313-314; 2 pages
doi:10.1115/SBC2007-175397
From:
  • ASME 2007 Summer Bioengineering Conference
  • ASME 2007 Summer Bioengineering Conference
  • Keystone, Colorado, USA, June 20–24, 2007
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-4798-5
  • Copyright © 2007 by ASME

abstract

The quantitative measurement of blood flow using magnetic resonance imaging (MRI) has been a topic of research for over twenty years. At present, blood flow measurements are largely performed using two-dimensional phase contrast magnetic resonance (PC-MR). However, when high acceleration terms are present (i.e., valve regurgitation or stenosis), accuracy of conventional (Con) cardiac PC-MR can suffer: when data are acquired at a relatively poor temporal resolution, the data extraction process, which essentially is one of comparison, makes the Con PC-MR data sensitive to temporal acceleration. Here, a novel PC-MR technique termed Self Reference (SR) PC-MR is introduced that overcomes these limitations by eliminating the need for comparing paired data sets.

Copyright © 2007 by ASME

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