Impact of Eddy Currents on Quantification of Perfusion Using Velocity Selective Arterial Spin Labeling

Keywords

acquisition additional adiabatic amplitude apparent appear applied arterial artifacts axis basis become biology blood body cancer cause channel coil comparable compartment constant constants contamination corrected correction correlated cross crushers decay demonstrating dependent design designed desired distance double duration eddy efficiencies efficiency expected extra five flow function funding generated give global gradient gray healthy highest hyper identical impact indicating inhomogeneities insensitive insensitivity institute inverted keeping kingdom labeling length linearly lobes location long longer maintaining maintains maps mask matrix measured middle minutes model modeled modulate motion novel orthogonal overestimate oxford pairs perfusion post preparation preparations presence pulse pulsed pulses pure quantification radiation ramp rather recovery reduce reduces reducing refocused registered representative represents response returned robust scheme secant segment segments selection selective sensitive sensitivity short significantly simulated simulations since spatial spatially spin spins static step steps subject subjects supported system table tagged tagging theory tissue trapezoidal unit variation varied velocity volunteers waveform whilst zero