Several novel software systems have been developed for the reconstruction of the coronary tree and the calculation of fractional flow reserve from coronary angiography images without coronary instrumentation: FFRangio, Computational pressure-flow dynamics derived FFR (caFFR), Quantitative flow ratio (QFR) and vessel fractional flow reserve (vFFR). In this article we review the current evidence on each software, their contemporary use and future directions.
Keywords: Fractional flow reserve software; angiography; coronary revascularization.
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