Functional classification discordance in intermediate coronary stenoses between fractional flow reserve and angiography-based quantitative flow ratio.

Yoshinori KannoMasahiro HoshinoRikuta HamayaTomoyo SugiyamaYoshihisa KanajiEisuke UsuiMasao YamaguchiMasahiro HadaHiroaki OhyaYohei SuminoHidenori HiranoHaruhito YukiTomoki HorieTadashi MuraiTetsumin LeeTaishi Yonetsu Tsunekazu Kakuta

Published in: Open heart (2020)

FFR- with cQFR+ is associated with increased microvascular resistance, and FFR+ with cQFR- showed preservation of microvascular function with high coronary flow. Microvascular function affected diagnostic performance of cQFR in relation to functional stenosis significance.

Keyphrases

coronary artery disease
coronary artery
machine learning
optical coherence tomography
computed tomography
deep learning
high resolution
aortic stenosis
heart failure
left ventricular
transcatheter aortic valve replacement