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Coronary Subclavial Syndrome Case Series and Review of Therapeutic Aspects-e105

José Maciel Caldas dos Reis

Background: Coronary-subclavial steal syndrome (CSSS) is a clinical condition characterized by the reversal of blood flow in the left internal thoracic artery (ITA) in patients who have undergone coronary revascularization using this artery. It is a rare cause of myocardial ischemia subsequent to stenosis or occlusion of the subclavian artery (SA) proximal to ITA coronary bypass. Proximal subclavian artery (SA) stenosis is present and atherosclerotic disease is the underlying pathophysiologic mechanism in the majority of cases. We report a series of patients with late CSSS treated through an endovascular approach.