Germany, June 29, 2013
Computational challenge in order to predict rupture in two intracranial
aneurysms
Description:
In the recent years various simulation challenges have been organized in order
to check the applicability of the computational hemodynamics for intracranial
aneurysms. Radaelli et al. [1] performed a comparison for virtually stented
patient-specific cases using flow diverters. Steinman et al. [2] compared the
velocity and pressure values obtained by various groups in a giant aneurysm.
One of the main difficulties when performing computational fluid dynamics
(CFD) for patient-specific cases is the prediction of the rupture probability.
The current challenge involves two patient-specific MCA-aneurysms that should
be analyzed by CFD in a blind test. One of the provided data sets corresponds
to a ruptured aneurysm, while the other one can be considered as unruptured.
The ruptured case is documented with intra-operative video recording.
Therefore, the exact ruptured site of the aneurysm is known.
-The reconstructed surface geometries will be provided after sending an e-mail
to janiga_at_ovgu.de
-The participants are free to choose their computational model, software,
boundary condition etc.
-The participants are also free to use any criteria to analyze the obtained
solutions with a view to rupture prediction. It is expected that the participants
should predict: 1) which one was the ruptured aneurysm based on their
computational results; 2) at which location the rupture took place.
Website of the challenge: www.ovgu.de/isut/LSS/CFD_Challenge.html
[1]Radaelli, AG et al.: Reproducibility of haemodynamical simulations in a
subject-specific stented aneurysm model - a report on the Virtual Intracranial
Stenting Challenge 2007. J Biomech. 2008 Jul 19;41(10):2069-81.
[2]Steinman, DA et al.: Variability of computational fluid dynamics solutions for
pressure and flow in a giant aneurysm: the ASME 2012 Summer Bioengineering
Conference CFD Challenge. J Biomech Eng. 2013 Feb;135(2):021016
