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Local FFR estimation and visualization to improve functional stenosis analysis
Local FFR estimation and visualization to improve functional stenosis analysis
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机译:局部FFR估计和可视化以改善功能性狭窄分析
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摘要
A system (IPS) and related method for fractional flow reserve, FFR, simulation. The simulation for a range of FFR values for a vasculature portion is based on a composite transfer function which is combined from a weighted sum of global effect transfer functions he, each representing a distinct physical effect that causes a pressure drop. The weights we are gotten from a previous training phase against pressure pi versus flow rate fi 5 sample measurements associated with respective vasculature geometries. The simulated range of FFR values is visualized in a graphics display (GD) as a function of pressure and flow rate values within respective intervals.
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