Bioresorbable Vascular Scaffolds Versus Stents in Patients With Chronic Total Occlusion

Inclusion Criteria: Clinical inclusion criteria: * Age ≥18 years * Angina pectoris, equivalent symptoms, and/or positive stress test * Viable myocardium subtended by chronic total occlusion * Negative pregnancy test in women with childbearing potential Angiographic inclusion criteria: * Chronic total occlusion defined as Thrombolysis in Myocardial Infarction flow 0 with an estimated duration ≥3 months * Successful wire passage and assumption of successful stent/scaffold deployment * Target reference vessel diameter 2.5 - 4.0 mm Exclusion Criteria: Clinical exclusion criteria: * Limited long-term prognosis with a life-expectancy \<12 months * Contraindications to antiplatelet therapy * Known allergy against cobalt chrome, everolimus, or polylactic acid Angiographic exclusion criteria: * Target lesion located in the left main trunk * Target lesion located in a coronary bypass graft * Bifurcation lesion with planned two-stent strategy * Indication for coronary artery bypass grafting