Method, device and system and for acquiring fractional flow reserve, and computer storage medium
A fractional blood flow reserve and computer technology, which is applied in the field of obtaining fractional blood flow reserve based on medical image data, can solve the problem of increased costs for patients, and achieve the effect of reducing risks and costs.
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[0065] A method for obtaining blood flow reserve fraction of the present invention, comprising:
[0066] Step S1, acquiring image data and physiological parameters related to the coronary artery and the heart, and constructing a corresponding three-dimensional model by processing the image data;
[0067] Step S2, solving the hemodynamic governing equation according to the three-dimensional model to obtain the hemodynamic parameter distribution of the coronary arteries in the region expressed by the three-dimensional model;
[0068] The hemodynamic parameters at the boundary of the three-dimensional model are obtained by using the lumped model and solving it by genetic algorithm;
[0069] Step S3, calculating the fractional blood flow reserve according to the relevant parameters obtained in step S2.
[0070] Step S4, generating a corresponding fractional blood flow reserve report based on the result of step S3.
[0071] Each step will be described in detail below in conjuncti...
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