Myocardial Perfusion and Viability

Michael Jerosch‐Herold1, Arthur E. Stillman1

1 University of Minnesota, Minneapolis, Minnesota
Publication Name:  Current Protocols in Magnetic Resonance Imaging
Unit Number:  Unit A11.3
DOI:  10.1002/0471142719.mia1103s00
Online Posting Date:  May, 2001
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Abstract

Both first‐pass perfusion studies and imaging of delayed hyperenhancement can be combined in one patient exam. The MRI protocols for myocardial perfusion and viability assessment are presented together in this unit due to the complimentary information that is obtained with both protocols. Also, the imaging techniques used for both protocols are closely related. The first protocol assesses the functional severity of coronary artery lesions, while the second, used in addition to first basic protocol, is used in patient presents with symptoms of myocardial infarction or post‐coronary revascularization. The procedures are useful in determining the presence and extent of nonviable myocardium.

     
 
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Table of Contents

  • Basic Protocol 1: Imaging Myocardial Perfusion During First‐Pass Contrast‐Enhancement
  • Basic Protocol 2: Imaging Myocardial Viability
  • Commentary
  • Figures
  • Tables
     
 
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Materials

Basic Protocol 1: Imaging Myocardial Perfusion During First‐Pass Contrast‐Enhancement

  Materials
  • Normal saline (0.9% NaCl), sterile
  • Extravascular GD‐DTPA contrast agent (e.g., Magnevist or Omniscan)
  • 16‐G i.v. needle and injection line
  • Disposable syringes for power injector
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Figures

Videos

Literature Cited

Literature Cited
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Internet Resources
   http://www.heartmri.com
  This web site is addressed at users of GE scanners and provides specifics on sequences and techniques for imaging of myocardial perfusion and viability.
   http://www.drad.umn.edu/cvmr/home/html
  The authors' web site has a document in Adobe Acrobat format with specific instructions on how to perform myocardial perfusion studies on a Siemens Vision scanner.
   http://nsr.bioeng.washington.edu
  This is a useful site for readers interested in state‐of‐the‐art tracer kinetic analysis that has been applied for analysis of MRI perfusion data. The National Simulation Resource is an NIH‐funded resource.
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