Inclusion Criteria:  Patients eligible for concomitant carotid artery stenting in conjunction with cardiac surgery based on Heart Team and NeuroVascular Team reccomendation and according to local standards of practice. Signed informed consent form Consent to (routinely performed in this group of patients) follow-up visits and tests performed (routinely) during long-term follow-up De novo atherosclerotic lesions or neo-atherosclerosis. Symptomatic patients (with a history of ipsilateral transient cerebral ischemia, stroke or amaurosis fugax within the past 6 months) with carotid artery stenosis ≥50% as assessed by NASCET angiography or Asymptomatic patients with carotid artery stenosis ≥70-80% as assessed by angiography (NASCET method). Coronary angiography-confirmed multivessel disease or left main stem stenosis with the symptoms of unstable angina or non-ST-segment elevation myocardial infarction. Severe symptomatic valvular disease detected by echocardiography.  Exclusion Criteria:  Expected survival time <1 year (e.g., cancer). Renal failure with GFR < 20 ml/min/1.73 m2 as calculated by the CKD-EPI formula Women who are pregnant (pregnancy test). Coagulopathies. History of hypersensitivity to a contrast agent that does not respond to pharmacotherapy. Total carotid artery occlusion. Stent in the carotid artery that protrudes into the aortic arch. Anatomic variants that preclude stent implantation. Significant stenosis of the common carotid artery proximal to the target lesion. Mobile atherosclerotic plaques in the aortic arch. Anatomy of the coronary arteries unsuitable for bypass grafting. Lack of available vascular material for grafting. Porcelain aorta.