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Abstract #2071

Dynamic MRI visualization of the brachial artery during upper arm air cuff inflations

Jouke Smink1, Laura Bogatu2,3, Jens Muehlsteff2, and Erik Bresch2

1MR Clinical Science, Philips Healthcare, Best, Netherlands, 2Philips Research, Eindhoven, Netherlands, 3Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands

We investigated the feasibility of imaging the upper arm using real-time and cine MRI during air cuff inflations in order to characterize the elastic properties of the brachial artery. Both the cine, as well as the real-time MR image data allow the direct observation of the occlusion and re-opening of veins and arteries as a function of cuff pressure. They could therefore be potentialy well suited to estimate the elastic properties of the brachial artery, e.g. the area-pressure curve, in vivo. Furthermore, the MR data allow observing the compression and displacement of arm tissue with the future aim to validate and extend existing models of the auscultatory and oscillometric blood pressure measurements.

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