[PDF][PDF] Department of Information Technology and Mathematical Methods

We carry out an in vivo validation of a new method for estimating blood flow rate from the
maximum velocity, as it is usually done in single-wire Doppler catheter measurements. A …

[PDF][PDF] Mathematics and Computer Science

We carry out an in vivo validation of a new method for estimating blood flow rate from the
maximum velocity, as it is usually done in single-wire Doppler catheter measurements. A …

Womersley Number-Based Estimates of Blood Flow Rate in Doppler Analysis: In Vivo Validation by Means of Phase-Contrast MRI

R Ponzini, C Vergara, G Rizzo… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
A common clinical practice during single-point Doppler analysis is to measure the centerline
maximum velocity and to recover the time-averaged flow rate by exploiting an assumption …

Computational Fluid Dynamics-based estimation of blood flow rate in Doppler analysis: in vivo validation by means of Phase Contrast Magnetic Resonance Imaging

R Ponzini, C Vergara, G Rizzo… - Summer …, 2009 - asmedigitalcollection.asme.org
In this work we carry out an in vivo validation of a method for estimating blood flow rate from
the peak velocity, as it is usually done in single-wire Doppler catheter measurements. This …

[PDF][PDF] MOX–Report No. 7/2008

C Vergara, R Ponzini, A Veneziani, A Redaelli… - mate.polimi.it
MOX–Report No. 7/2008 Reliable CFD-based Estimation of Flow Rate in Hemodynamics
Measures. Part II: Sensitivity Analysis and F Page 1 MOX–Report No. 7/2008 Reliable CFD-based …

Using a Doppler wire to measure intravascular flow

W Hillewaert, M Mc Laughlin, J Wauters… - Computer Methods in …, 2005 - Taylor & Francis
There is a medical need to continuously monitor the flow of blood towards organs, for
instance in the situation of sceptic shock in the intensive care unit. Commercially available …

Womersley number-based estimation of flow rate with Doppler ultrasound: sensitivity analysis and first clinical application

C Vergara, R Ponzini, A Veneziani, A Redaelli… - computer methods and …, 2010 - Elsevier
In this paper we continue in investigating the approach we have proposed in a paper
recently published, for a reliable estimate of (peak systolic) blood flow rate from velocity …

Noninvasive Methods for Evaluation of Coronary Flow Reserve-Methodological Considerations

P Petkow-Dimitrow, P Petkow-Dimitrow - Coronary flow reserve …, 2002 - Springer
Noninvasive techniques for evaluation of myocardial blood supply can be divided into two
subgroups. The first subgroup includes Doppler echocardiography, which measures the …

Blood velocity estimation by maximum likelihood: a comparative study

E Sturikova, APG Hoeks… - Proceedings of 17th …, 1995 - ieeexplore.ieee.org
Considering simulated data from a Doppler sample volume with an uniform velocity, the
maximum likelihood velocity estimate is compared to alternative blood velocity estimates …

Design of New Reliable CFD-based estimation of flow rate: early in-vivo results

R Ponzini, C Vergara, A Veneziani… - 2008 Computers in …, 2008 - ieeexplore.ieee.org
In the present work a new approach for the blood flow rate estimate is discussed together
with the performances results on both computational fluid dynamics and in vivo datasets. In …