NON-INVASIVE QUANTIFICATION OF CORONARY ARTERY FRACTIONAL FLOW RESERVE USING MRI
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Nov 12, 2015
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May 8, 2015
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May 12, 2014
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Abstract
A system for quantifying a fractional flow reserve (FFR) in a mammalian subject comprises implementing a multi-dimensional phase-contrast magnetic resonance sequence using an MRI scanner to scan a volume of interest (VOI) in the mammalian subject. The VOI comprises at least a portion of the mammalian subject's heart, one or more blood vessels, or both. A pressure gradient within a blood vessel segment of interest within the VOI is determined based on the implemented multi-dimensional phase-contrast magnetic resonance sequence. The determined pressure gradient is correlated to an FFR value.
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