Intravascular ultrasound radiofrequency signal analysis of blood speckles: Physiological assessment of intermediate coronary artery stenosis.
Kozo OkadaKiyoshi HibiKensuke MatsushitaHiroyuki YagamiKouichi TamuraYasuhiro HondaKazuo KimuraPublished in: Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions (2019)
This study supports the potential utility of RF-IVUS analysis of blood signals to estimate functional ischemia, demonstrating relationships of blood ΔIB values to FFR and iFR, as well as relationships between blood IB values and flow velocity.