Evaluation of Long Coronary Artery Stents With Third-generation Dual-source Computed Tomography Angiography

Inclusion Criteria: * Surviving patients with a CTO PCI minimum of four years prior to the study date * Successful CTO PCI with a drug-eluting stent * Primary procedure minimum of four years prior to study date * CTO stent length ≥ 38 mm in right coronary artery (RCA) and left anterior descending (LAD) coronary artery * CTO stent length ≥ 30 mm in left circumflex coronary artery (LCX). The definition is clinical. * Age at primary procedure ≤ 75 years * Communication in English, Finnish or Swedish Exclusion Criteria: * Malignancy with poor prognosis or ongoing diagnostics * Significantly impaired performance in daily activities * Significant psychiatric disorder * Active alcohol or drug abuse * Memory disorder or other cognitive impairment * Primary procedure in-stent CTO PCI * Target vessel revascularisation or CABG after the primary - procedure * Glomerular filtration rate ≤40 ml/min * ICA or CCTA less than six months prior to the study date