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Effects of stent-graft geometry and blood hematocrit on hemodynamic in Abdominal Aortic Aneurysm

Polańczyk A., Podyma M., Stefańczyk L., Zbiciński I.

Chemical and Process Engineering

2012

Vol. 33, nr 1

53-61

CFD technique was used to determine the effect of a stent-graft spatial configuration and hematocrit value on blood flow hemodynamic and the risk of a stent-graft occlusion. Spatial configurations of an endovascular prosthesis placed in Abdominal Aortic Aneurysm (AAA) for numerical simulations were developed on the basis of AngioCT data for 10 patients. The results of calculations showed that narrows or angular bends in the prosthesis as well as increased hematocrit affects blood flow reducing velocity and WSS which might result in thrombus development.