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  • Assessing the Accuracy of a Second-Generation Optical Sensor Pressure Wire in a Wire-to-Wire Comparison (The ACCURACY Study)

    Abstract

    Background

    The phenomenon of “pressure drift” increases uncertainty about the correct FFR value. Redesigned and incorporating an optical pressure sensor, the “OptoWire Deux™” is purported to be less prone to the pressure drift seen with piezoelectric coronary pressure wires. The aim of this first in vivo real-world clinical study is to evaluate the performance of OptoWire Deux™ in terms of measurements agreement and propensity to pressure drift in a wire to wire comparison.

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