First-in-Man Percutaneous Coronary Intervention Using Instantaneous Wave-Free Ratio Roadmap Functionality With Instantaneous Wave-Free Ratio Scout Pullback

A 54-year-old male patient presented with a symptomatic bifurcation lesion of 75% stenosis in LAD ([Figure 1A][1]). Physiological evaluation was performed using instantaneous wave-free ratio (iFR) roadmap (Philips Healthcare, Best, the Netherlands) functionality [(1)][2]. First, we ran a