OPTIMAl Endovascular Exclusion of Consecutive Patient High-risk Carotid Plaque Using the MicroNet Covered Stent

Inclusion Criteria: * All consecutive patients with clinically symptomatic carotid stenosis , or carotid stenosis associated with ipisilateral cerebral ischemic infarct/s on CT or MRI/DWI imaging, referred and accepted by the study center for CAS as per local standard referral pathways and study center routine. * Patient informed consent to participate. * Patient accepts follow-up scheme and consents to follow-up visits. Exclusion Criteria: * Lack of indication to carotid revascularization as per current ESC/ESVS Guidelines, or any clinical or angiographic or other contraindication to CAS (such as renal failure defined as creatinine level \> 2.5 mg/dL or eGFR \<20 ml/kg min, or incompatibility with DAPT). * Surgery within the preceding 30 days or planned surgery within 30 days after CAS. * Life expectancy \<1 year (eg. neoplastic disease). * MI within 72h prior to CAS. * Known coagulopathy. * History of cerebral stroke with documented/known cause other than carotid disease. * Atrial fibrillation or flutter. * Any known cause for potential cerebral embolization different than carotid stenosis. * History of intracranial bleeding. * Any contraindications to as per IFU study device implantation.