Damiaan F. Habets

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It has recently become possible to simulate aneurysmal blood flow dynamics in a patient-specific manner via the coupling of three-dimensional (3-D) X-ray angiography and cmputational fluid dynamics (CFD). Before such image-based CFD models can be used in a predictive capacity, however, it must be shown that they indeed reproduce the in vivo hemodynamic(More)
Stimulated by a recent controversy regarding pressure drops predicted in a giant aneurysm with a proximal stenosis, the present study sought to assess variability in the prediction of pressures and flow by a wide variety of research groups. In phase I, lumen geometry, flow rates, and fluid properties were specified, leaving each research group to choose(More)
ABBREVIATIONS pulsatile1 = pulsatile flow case based on cycle-averaged inlet WSS = 12 dyn/cm 2 pulsatile2 = pulsatile flow case based on cycle-averaged inlet WSS = 15 dyn/cm 2 AV1 = Cycle-averaged flow, pulsatile1 case AV2 = Cycle-averaged flow, pulsatile2 case PK1 = Peak-systolic flow, pulsatile1 case PK2 = Peak-systolic flow, pulsatile2 case SS1 = Steady(More)
The role of imaging and image guidance is increasing in surgery and therapy, including treatment planning and follow-up. Fluoroscopy is used for two-dimensional (2D) guidance or localization; however, many procedures would benefit from three-dimensional (3D) guidance or localization. Three-dimensional computed tomography (CT) using a C-arm mounted x-ray(More)
Digital subtraction angiography is being supplanted by three-dimensional imaging techniques in many clinical applications, leading to extensive use of maximum intensity projection (MIP) images to depict volumetric vascular data. The MIP algorithm produces intensity profiles that are different than conventional angiograms, and can also increase the(More)
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