Introduction : The ankle brachial index (ABI) has been used for diagnosis of lower-extremity peripheral artery disease which is mainly caused by Atherosclerosis with also cause coronary artery disease (CAD) , So ABI can be used as marker for CAD
Aim of the work: We investigated the relation between ABI and CAD severity in Egyptian patients with chronic coronary syndrome(CCS). We used three measures SYNTAX score, Gensini score and number of diseased vessels .
Method: It is a cross sectional study from November 2018 to July 2019 including 160 male and female patients . Patients who had non obstructive coronary artery disease like coronary ectasia, slow flow and corkscrew coronary arteries were excluded . The 160 cases had been divided according to SYNTAX score into three groups(low, intermediate, high score). Another division according to ABI into two groups(abnormal