PCI for chronic total occlusion compared to optimal medical treatment

to investigate the clinical outcome of PCI for chronic total occlusion and optimal medical treatment (OMT) as compared with optimal medical treatment alone in terms of symptomatic improvement in patients with stable angina

prospective, multicentre, open-label randomised trial (2:1)

patients with single and multivessel disease. Patients with M-VD received first treatment of any significant non-CTO lesion >4 weeks before randomisation

change in health status as assessed with SAQ between treatment groups from baseline to 12 months (SAQ = Seattle angina questionnaire)