Patent ID: 8706196

Claim:
A method for simulating a blood flow in a vascular segment of a patient during an angiography examination, comprising: recording a 3D image dataset of an examination region including the vascular segment for generating a 3D reconstruction image of the examination region; generating a 3D vascular model from the 3D image dataset; capturing a contrast agent propagation in the examination region by a dynamic 2D angiography method for generating a real 2D angiography recording; inputting a blood flow parameter; starting a CFD simulation of the blood flow in the 3D vascular model based on the blood flow parameter; generating a virtual 2D angiography recording from the CFD simulation; determining a degree of correspondence between the real and the virtual 2D angiography recordings based on identical angulation and an adjusted recording geometry of the patient; comparing the degree of correspondence with a predefined tolerance value; iterating the CFD simulation while changing the blood flow parameter as a function of the comparison until an optimum CFD simulation is achieved; and outputting the degree of correspondence between the real and the virtual 2D angiography recordings, wherein the 3D image dataset is recorded by a radiographic diagnostic device with a radiographic tube unit and a radiographic image detector, a patient support table and a system control unit.