Percutaneous coronary intervention in stable angina (ORBITA): a double-blind, randomised controlled trial
Davies JE, ORBITA investigators et al.
KEYWORDS
PCI; stable angina; blinded RCT; exercise timei increment
BACKGROUND - Symptomatic relief is the primary goal of percutaneous coronary intervention (PCI) in stable angina and is commonly observed clinically. However, there is no evidence from blinded, placebo-controlled randomised trials to show its efficacy.