Abstract
A FFR <0.80/0.75 witnesses the existence of a high-grade epicardial stenosis. In this setting, the CFR is usually also impaired since even a maximal dilation of the peripheral resistances cannot compensate for the increased epicardial resistances.
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van de Hoef TP, Nolte F, EchavarrÍa-Pinto M, van Lavieren MA, Damman P, Chamuleau SA, et al. Impact of hyperaemic microvascular resistance on fractional flow reserve measurements in patients with stable coronary artery disease: insights from combined stenosis and microvascular resistance assessment. Heart. 2014;100(12):951–9.
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Gori, T. (2016). Impaired Fractional and Coronary Flow Reserve. In: Gori, T., Fineschi, M. (eds) Atlas of FFR-Guided Percutaneous Coronary Interventions. Springer, Cham. https://doi.org/10.1007/978-3-319-47116-7_32
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DOI: https://doi.org/10.1007/978-3-319-47116-7_32
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