Quantification of the ischemic burden on cardiac magnetic resonance perfusion maps by perfusion threshold analysis
نویسندگان
چکیده
منابع مشابه
Quantification of the ischemic burden on cardiac magnetic resonance perfusion maps by perfusion threshold analysis
Background High-resolution quantitative analysis of myocardial blood flow (MBF) by cardiac magnetic resonance (CMR) perfusion has been recently proposed and validated in preclincal studies. It aims to combine the advantages of both visual assessment and quantitative analysis in a single test. However, incorrect registration between stress and rest images can hamper myocardial perfusion reserve ...
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BACKGROUND The extent and severity of ischemia on myocardial perfusion scintigraphy (MPS) is commonly used to risk-stratify patients with coronary artery disease. Estimation of ischemic burden by cardiovascular magnetic resonance (CMR) with conventional 2-dimensional myocardial perfusion methods is limited by incomplete cardiac coverage. More recently developed 3-dimensional (3D) myocardial per...
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Different software tools for quantification of myocardial perfusion SPECT (MPS) studies are routinely used. Several perfusion parameters can be computed automatically. Interpretation of the MPS should start with visual inspection of the rotating planar images, visual analysis of reconstructed SPECT slices and then quantitative analysis to confirm the visual impression. Quantification should be...
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The potential of contrast-enhanced cardiovascular magnetic resonance (CMR) for a quantitative assessment of myocardial perfusion has been explored for more than a decade now, with encouraging results from comparisons with accepted "gold standards", such as microspheres used in the physiology laboratory. This has generated an increasing interest in the requirements and methodological approaches ...
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Methods In this substudy of the NOMI-trial (ClinicalTrials.gov identifier: NCT01398384), CMR rest and adenosine stress perfusion were analyzed in 119 patients at 4 months after acute myocardial infarction with TIMI 2-3 flow after primary PCI. A balanced turbo gradient echo sequence with non-shared prepulse was used in 1.5 tesla MR scanner (Achieva, Philips Medical Systems). MBF was quantified u...
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ژورنال
عنوان ژورنال: Journal of Cardiovascular Magnetic Resonance
سال: 2013
ISSN: 1532-429X
DOI: 10.1186/1532-429x-15-s1-p202