Coronary artery bypass grafting versus percutaneous coronary intervention in ischaemic heart failure. Can reliable treatment decisions in high-risk patients be based on non-randomized data?

This editorial refers to ‘Long-term mortality in patients with ischaemic heart failure revascularized with coronary artery bypass grafting or percutaneous coronary intervention: insights from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR)’, by S. Völz et al. doi:10.1093/eurheartj/ehab273. Since the RITA trial,1 the first randomized study comparing percutaneous with surgical revascularization for coronary artery disease (CAD),...