Key result
An analytically-based computational model demonstrated that longitudinal arterial wall displacements comparable to radial displacements can be present during the cardiac cycle.
Population
Computational model of pulsatile blood flow within elastic and viscoelastic arteries, compared with…
Design
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Longitudinal displacements may influence Doppler clutter assessment; modeling leaves open their in vivo prevalence and clinical impact.
Longitudinal arterial wall displacements can be comparable to radial displacements and should be considered when assessing Doppler ultrasound clutter.
Warriner et al. (2008) studied Pulsatile blood flow in arteries. Analytically-based computational model based on the Womersley equations was evaluated on Predicted waveforms including pressure, radial and longitudinal fluid velocities, and arterial wall displacements. An analytically-based computational model demonstrated that longitudinal arterial wall displacements comparable to radial displacements can be present during the cardiac cycle.
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