May 29, 2018 — The first placebo-controlled trial that looked at how fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) predicts the efficacy of percutaneous coronary intervention (PCI) found angioplasty improved ischemia. The invasive physiology data from 196 patients from the Objective Randomized Blinded Investigation with optimal medical Therapy of Angioplasty in stable angina (ORBITA) Trial was presented as a late-breaking trial at the 2018 EuroPCR conference.
