Major aortopulmonary collateral arteries branching from coronary arteries may cause coronary steal. The careful follow-up is needed irrespective of symptoms because increasing physical activities and oxygen demand along with the age may induce myocardial ischemia. Transcatheter intervention by well-trained physician would be a treatment option in patients with myocardial ischemia.
Keywords: Coil embolization; coronary steal; major aortopulmonary collateral arteries.