Quantification of Pulse Wave Velocity from Phase-Contrast MRI Data Using Fourier Analysis

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abstract although application approaches approximately arterial artery auburn background bifurcations blue breathing calculating cardiac cause characteristic cine circulation clinically coarse cohort compliance compute concept consider considerable considerably contrast curve curves derived difficult distance distinct divided domain effective eight encoding field finally find free freq frequencies frequency function general generally gradient harmonics homologous hypertension invasive just known lack larger limited linear makes matrix measure measured measuring methodologies move needed onset optimized pair patient patients peak plot pressure profiles propose proposed proximal pulmonary pulse quantification quotient reach related relatively relies resolution respective robust scanner segmented shape significance significantly slice slope spatial spatially statistical stiffness systemic table temporal transfer transforms transit travels typically underwent validate valve variability variation various vary velocity version view volunteers wave waveform waveforms whereas widely