Prognostic Impact of Chronic Total Occlusions : A Report From SCAAR (Swedish Coronary Angiography and Angioplasty Registry)
Objectives The aim of this study was to determine the prognostic impact of chronic total occlusion (CTO) on long-term mortality in a large prospective cohort. Background CTO is present in many patients with coronary artery disease and is difficult to treat with percutaneous coronary intervention. Methods The study population consisted of all consecutive patients who underwent coronary angiography