Prevalence and Risk Factors of Carotid Artery Stenosis (CAS) Among Cardiac Surgery Patients.

Introduction: Cardiac disease and carotid atherosclerosis rates have increased in recent years. Carotid artery stenosis (CAS) has been recognized as a high-risk factor of perioperative stroke among cardiac surgery patients.  Aims: The aims of the study are to identify the prevalence and common risk factors of CAS among patients undergoing cardiac surgery that include coronary artery bypass surgery or valvular cardiac surgery.