Computational Fluid Dynamics and Its Impact on Flow Measurements Using Phase-Contrast MR-Angiography


Rationale and Objectives: Computational fluid dynamic (CFD) simulations are discussed with respect to their potential for quality assurance of flow quantification using commercial software for the evaluation of magnetic resonance phase contrast angiography (PCA) data. Materials and Methods: Magnetic resonance phase contrast angiography data was evaluated with the Nova software. CFD simulations were performed on that part of the vessel system where the flow behavior was unexpected or non-reliable. The CFD simulations were performed with in-house written software. Results: The numerical CFD calculations demonstrated that under reasonable boundary conditions, defined by the PCA velocity values, the flow behavior within the critical parts of the vessel system can be correctly reproduced. Conclusion: CFD simulations are an important extension to commercial flow quantification tools with regard to quality assurance.

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Kiefer, C. and Kellner-Weldon, F. (2012) Computational Fluid Dynamics and Its Impact on Flow Measurements Using Phase-Contrast MR-Angiography. Open Journal of Medical Imaging, 2, 23-28. doi: 10.4236/ojmi.2012.21004.

Conflicts of Interest

The authors declare no conflicts of interest.


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