Impact of Microvascular Resistance on Coronary Hemodynamic Diagnostic Indices: A Multiscale Simulation Study.
PURPOSE Coronary diagnostic indices-fractional flow reserve (FFR) and coronary flow reserve (CFR)-disagree in up to 30% of cases, complicating diagnosis and revascularization decisions. Microvascular health likely drives this discordance, but its isolated effect is challenging to quantify in vivo and is often confounde...