Correlation of internal carotid artery diameter and carotid flow with asymmetry of the circle of Willis.
Te-Chang WuTai-Yuan ChenChing-Chung KoJeon-Hor ChenChing-Po LinPublished in: BMC neurology (2020)
The study verifies that A1 asymmetry causes unequal bilateral carotid inflow, and consequently different bilateral ICA diameters. Adjustment of the inflow boundary conditions according to the COW variants would be necessary to improve the accuracy of numerical simulation.