TY - JOUR T1 - Hemodynamics in a Cerebral Artery before and after the Formation of an Aneurysm JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 1113 LP - 1118 VL - 27 IS - 5 AU - A. Mantha AU - C. Karmonik AU - G. Benndorf AU - C. Strother AU - R. Metcalfe Y1 - 2006/05/01 UR - http://www.ajnr.org/content/27/5/1113.abstract N2 - SUMMARY: Using data obtained from 3D digital subtraction angiography acquisitions, computational fluid dynamics techniques were used first to assess hemodynamic factors in geometrically correct models of 3 paraclinoid aneurysms and then again for assessment after virtual removal of the aneurysms and reconstruction of the parent artery. Simulations revealed an area of relatively low and rotating wall shear stresses at the location at which each aneurysm had developed. This phenomenon, to our knowledge, has not been previously described. ER -