Doppler ultrasound of the supra-aortic trunks is a systematic investigation in the pre-operative assessment of all cardiac surgery. We surveyed 666 patients who underwent SATS as part of the cardiac surgery work-up at the cardiology department of Habib Thameur Hospital. We divided the study population into two groups: valvular heart disease patients and coronary heart disease patients. We then compared the epidemiological and ETSA data between these 2 groups. Cardiovascular risk factors (CRFs) were significantly more frequent (p