Abigail Swillens

Summary

Affiliation: Ghent University
Country: Belgium

Publications

  1. doi Pitfalls of Doppler Measurements for Arterial Blood Flow Quantification in Small Animal Research: A Study Based on Virtual Ultrasound Imaging
    Abigail Swillens
    IBiTech bioMMeda, Department of Electronics and Information Systems, Ghent University, Ghent, Belgium Electronic address
    Ultrasound Med Biol 42:1399-411. 2016
  2. doi Accuracy of carotid strain estimates from ultrasonic wall tracking: a study based on multiphysics simulations and in vivo data
    Abigail Swillens
    Institute of Biomedical Technology, Ghent University, 9000 Ghent, Belgium
    IEEE Trans Med Imaging 31:131-9. 2012
  3. doi Ultrasound simulation of complex flow velocity fields based on computational fluid dynamics
    Abigail Swillens
    Institute of Biomedical Technology, Ghent University, Belgium
    IEEE Trans Ultrason Ferroelectr Freq Control 56:546-56. 2009
  4. doi Assessment of numerical simulation strategies for ultrasonic color blood flow imaging, based on a computer and experimental model of the carotid artery
    Abigail Swillens
    Institute Biomedical Technology, Ghent University, IBiTech bioMMeda, De Pintelaan 185, Ghent, Belgium
    Ann Biomed Eng 37:2188-99. 2009
  5. doi Two-dimensional blood velocity estimation with ultrasound: speckle tracking versus crossed-beam vector Doppler based on flow simulations in a carotid bifurcation model
    Abigail Swillens
    Institute Biomedical Technology, University of Gent, Ghent, Belgium
    IEEE Trans Ultrason Ferroelectr Freq Control 57:327-39. 2010
  6. doi Two-dimensional flow imaging in the carotid bifurcation using a combined speckle tracking and phase-shift estimator: a study based on ultrasound simulations and in vivo analysis
    Abigail Swillens
    IBiTech bioMMeda Ghent University, Gent, Belgium
    Ultrasound Med Biol 36:1722-35. 2010
  7. ncbi A simulation environment for validating ultrasonic blood flow and vessel wall imaging based on fluid-structure interaction simulations: ultrasonic assessment of arterial distension and wall shear rate
    Abigail Swillens
    Institute Biomedical Technology, Ghent University, Belgium
    Med Phys 37:4318-30. 2010
  8. doi Comparison of non-invasive methods for measurement of local pulse wave velocity using FSI-simulations and in vivo data
    Abigail Swillens
    Institute Biomedical Technology, Biommeda, Ghent University, De Pintelaan185, 9000 Ghent, Belgium
    Ann Biomed Eng 41:1567-78. 2013
  9. doi Effect of the degree of LAD stenosis on "competitive flow" and flow field characteristics in LIMA-to-LAD bypass surgery
    Abigail Swillens
    IBiTech bioMMeda, Ghent University, Ghent, Belgium
    Med Biol Eng Comput 50:839-49. 2012
  10. doi Assessment of shear stress related parameters in the carotid bifurcation using mouse-specific FSI simulations
    David De Wilde
    IBiTech bioMMeda, iMinds Medical IT, Ghent University, Gent, Belgium Electronic address
    J Biomech 49:2135-42. 2016

Collaborators

Detail Information

Publications15

  1. doi Pitfalls of Doppler Measurements for Arterial Blood Flow Quantification in Small Animal Research: A Study Based on Virtual Ultrasound Imaging
    Abigail Swillens
    IBiTech bioMMeda, Department of Electronics and Information Systems, Ghent University, Ghent, Belgium Electronic address
    Ultrasound Med Biol 42:1399-411. 2016
    ....
  2. doi Accuracy of carotid strain estimates from ultrasonic wall tracking: a study based on multiphysics simulations and in vivo data
    Abigail Swillens
    Institute of Biomedical Technology, Ghent University, 9000 Ghent, Belgium
    IEEE Trans Med Imaging 31:131-9. 2012
    ....
  3. doi Ultrasound simulation of complex flow velocity fields based on computational fluid dynamics
    Abigail Swillens
    Institute of Biomedical Technology, Ghent University, Belgium
    IEEE Trans Ultrason Ferroelectr Freq Control 56:546-56. 2009
    ..The estimated flow velocities are in good agreement with the CFD reference, both for color flow imaging and pulsed-wave doppler simulations. The presented method can also be extended to include wall mechanics simulations in future work...
  4. doi Assessment of numerical simulation strategies for ultrasonic color blood flow imaging, based on a computer and experimental model of the carotid artery
    Abigail Swillens
    Institute Biomedical Technology, Ghent University, IBiTech bioMMeda, De Pintelaan 185, Ghent, Belgium
    Ann Biomed Eng 37:2188-99. 2009
    ..Results showed that during dynamic stages of the cardiac cycle, realistic ultrasound data can only be achieved when incorporating both the dynamic image formation and the measurement statistics into the simulations...
  5. doi Two-dimensional blood velocity estimation with ultrasound: speckle tracking versus crossed-beam vector Doppler based on flow simulations in a carotid bifurcation model
    Abigail Swillens
    Institute Biomedical Technology, University of Gent, Ghent, Belgium
    IEEE Trans Ultrason Ferroelectr Freq Control 57:327-39. 2010
    ..Future work will entail in vitro and in vivo validation of these results...
  6. doi Two-dimensional flow imaging in the carotid bifurcation using a combined speckle tracking and phase-shift estimator: a study based on ultrasound simulations and in vivo analysis
    Abigail Swillens
    IBiTech bioMMeda Ghent University, Gent, Belgium
    Ultrasound Med Biol 36:1722-35. 2010
    ..A marginal decrease in performance was observed when only tracking laterally. Further work will focus on in vivo trials in patients with carotid plaques...
  7. ncbi A simulation environment for validating ultrasonic blood flow and vessel wall imaging based on fluid-structure interaction simulations: ultrasonic assessment of arterial distension and wall shear rate
    Abigail Swillens
    Institute Biomedical Technology, Ghent University, Belgium
    Med Phys 37:4318-30. 2010
    ....
  8. doi Comparison of non-invasive methods for measurement of local pulse wave velocity using FSI-simulations and in vivo data
    Abigail Swillens
    Institute Biomedical Technology, Biommeda, Ghent University, De Pintelaan185, 9000 Ghent, Belgium
    Ann Biomed Eng 41:1567-78. 2013
    ..This in vivo study showed similar discrepancies between the 3 single-location techniques as present in the carotid simulations, with the difference between the PU- and ln(D)U-method related to the magnitude of wave reflection...
  9. doi Effect of the degree of LAD stenosis on "competitive flow" and flow field characteristics in LIMA-to-LAD bypass surgery
    Abigail Swillens
    IBiTech bioMMeda, Ghent University, Ghent, Belgium
    Med Biol Eng Comput 50:839-49. 2012
    ....
  10. doi Assessment of shear stress related parameters in the carotid bifurcation using mouse-specific FSI simulations
    David De Wilde
    IBiTech bioMMeda, iMinds Medical IT, Ghent University, Gent, Belgium Electronic address
    J Biomech 49:2135-42. 2016
    ..In contrast to human carotid hemodynamics, no flow recirculation could be observed in the carotid bifurcation region. ..
  11. doi The accuracy of ultrasound volume flow measurements in the complex flow setting of a forearm vascular access
    Koen Van Canneyt
    IBiTech bioMMeda, Ghent University, Ghent Belgium
    J Vasc Access 14:281-90. 2013
    ..As pulsed wave Doppler (PWD) is commonly used to assess volume flow, we studied the accuracy of this measurement in the setting of a radio-cephalic AVF...
  12. doi Wave reflection leads to over- and underestimation of local wave speed by the PU- and QA-loop methods: theoretical basis and solution to the problem
    Patrick Segers
    IBiTech bioMMeda, Department of Electronics and Information Systems, iMinds Medical IT, Ghent University, Gent, Belgium
    Physiol Meas 35:847-61. 2014
    ..They offer no alternative for the Bramwell-Hill based approach and their application should therefore be discouraged, especially for the carotid artery, although caution is probably warranted in general. ..
  13. doi The influence of aortic dimensions on calculated wall shear stress in the mouse aortic arch
    Bram Trachet
    IBITECH, UGent, De Pintelaan, Gent, Belgium
    Comput Methods Biomech Biomed Engin 12:491-9. 2009
    ..Our results show that WSS values for mice should be interpreted very cautiously, and if possible an animal-specific geometry with animal-specific boundary conditions should be used...
  14. pmc Performance comparison of ultrasound-based methods to assess aortic diameter and stiffness in normal and aneurysmal mice
    Bram Trachet
    IBiTech bioMMeda, Ghent University iMinds Medical IT, Ghent, Belgium Institute of Bioengineering, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 10:e0129007. 2015
    ..We aimed to assess the validity and sensitivity of these methods in control animals and animals developing dissecting abdominal aortic aneurysm...
  15. doi Grading of mitral regurgitation based on intensity analysis of the continuous wave Doppler signal
    Milad El Haddad
    Department of Cardiology, Heart Center, Ghent University Hospital, Ghent, Belgium
    Heart . 2016
    ..We aimed to develop and validate a novel custom-made transthoracic echocardiographic method for grading MR severity based on average pixel intensity (API) analysis of the continuous wave (CW) Doppler envelope...