Abstract #3404

Rapid Relative Pressure Map Computation from Velocity-Encoded Phase-Contrast Measurements

Gerard R. Crelier^1,2, David Brunner², Sebastian Kozerke², Peter Boesiger²

¹GyroTools LLC, Winterthur, Switzerland; ²Institute for Biomedical Engineering, University & ETH Zurich, Zurich, Switzerland

Intravascular relative pressure maps can be calculated from velocity vector fields as obtained with velocity-encoded phase-contrast MR imaging. An efficient iterative solver for the pressure Poisson equation in arbitrary shaped computational domains is presented.