Key result
An MRI method calculating pressure variations from acceleration mapping fit known physiological variations better than velocity maps, requiring less time and no adjustable parameters.
Why the study?
Does an MRI method using blood acceleration maps and a novel optimization algorithm improve the assessment of left ventricular relative pressure distribution compared to velocity maps in healthy volunteers?
Does an MRI method using blood acceleration maps and a novel optimization algorithm improve the assessment of left ventricular relative pressure distribution compared to velocity maps in healthy volunteers?
A novel MRI method using blood acceleration maps and an optimization algorithm allows for fast, parameter-free, and physiologically accurate calculation of left ventricular relative pressure distribution.
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May facilitate noninvasive LV pressure mapping; leaves open validation in patients.
Buyens et al. (2005) studied Healthy (n=5). MRI method calculating pressure variations from acceleration mapping vs. Velocity maps acquired in the same volunteers was evaluated on Fit to known physiological variations of pressure. An MRI method calculating pressure variations from acceleration mapping fit known physiological variations better than velocity maps, requiring less time and no adjustable parameters.
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