MOBTAKERAN SALAMAT FAKHER Non-Invasive Flow Ratio (NiFR) Measurement based on Angiography Images The NiFR (r = 0.738, P< 0.001) exhibited a strong correlation with pressure- wire-based FFR. The result indicated that FFR was higher than 0.8 in the arteries with non-significant stenosis and lower than 0.8 in the arteries with significant stenosis. Download Cardiology Department Article Catalog 2 Catalog 1 Products Products Global | Home About Us Wound dpt. Articles Tutorial Congress Catalogs Cardiology dpt. Articles Tutorial Congress Catalogs Contact Us FA EN Copyright © 2020 MSF Co.