Quantitative Assessment of Functional Variability with Real-time MRI
Markus Huellebrand1, Mathias Neugebauer1, Michael Steinmetz2, Jens Frahm3, and Anja Hennemuth1
1Fraunhofer MEVIS, Bremen, Germany, 2Universitätsmedizin Göttingen, Göttingen, Germany, 3Biomedizinische NMR Forschungs GmbH am Max-Planck-Institut für Biophysikalische Chemie, Göttingen, Germany
New
real-time MRI imaging techniques enable the acquisition of serial images with a
temporal resolution of up to 20 ms. These new imaging sequences provide cardiac
parameters such as cardiac function and blood flow over multiple heart cycles and
their variation over time. To quantify these parameters new analysis methods
are required. Our proposed solution combines automatic image processing with
interactive exploration techniques in a web application setup. The solution has
been successfully tested with data from arrhythmic patients as well as volunteers
performing Valsalva maneuver and physical exercise tests.
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