Study examining a novel index of coronary artery stenosis presented at EuroPCR

A novel non-hyperemic index of coronary stenosis severity called resting full-cycle ratio (RFR) was found to be diagnostically equivalent to instantaneous wave-free ratio (iFR) in the VALIDATE RFR study. The results were presented today at EuroPCR, the annual meeting of the European Association of Percutaneous Cardiovascular Interventions, by Ziad A. Ali, MD, DPhil, and simultaneously published in EuroIntervention.

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