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  • Hyperemic vs non-hyperemic indexes discordance: Role of epicardial and microvascular resistance (HyperDisco Study)

    • Posted: 03/24/2025
    • Author:

      A. Di Molfetta, V. Cusimano, M. Cesario, P. Mollo, G. Di Ruzza and M. Menichelli

    • CRMNews2025

    Abstract

    Background

    Literature reports a 20 % discordance between hyperemic (FFR) and non-hyperemic indexes (NHi) of coronary stenosis lesions. This work aims to develop and test clinically, a formula relating FFR and NHi (including iFR, RFR and Pd/Pa) to study their discordance.

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