title: Recurrent angina caused by coronary subclavian steal syndrome confirmed by positron emission tomography.
abstract: Coronary subclavian steal syndrome is a rare cause of recurrent angina after coronary artery bypass grafting. Identification of the myocardial ischemic region is crucial because it guides revascularization interventions to improve symptoms and myocardial ischemia. Positron emission computed tomography (PET) with rubidium might be a helpful tool because it identifies ischemia, localizes more precisely the ischemic region, and evaluates coronary flow reserve. Here, we report a case of recurrence of angina after coronary artery bypass grafting caused by an obstruction in the left subclavian artery and consequently by coronary steal syndrome confirmed by PET.
authors.affiliation: Department of Atherosclerosis, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil.
authors.forename: Paulo Cury
authors.initials: PC
authors.lastname: Rezende
authors.affiliation: Department of Atherosclerosis, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil.
authors.forename: Leandro Menezes Alves
authors.initials: LM
authors.lastname: da Costa
authors.affiliation: Department of Atherosclerosis, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil.
authors.forename: Thiago Luis
authors.initials: TL
authors.lastname: Scudeler
authors.affiliation: Department of Atherosclerosis, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil.
authors.forename: Debora
authors.initials: D
authors.lastname: Nakamura
authors.affiliation: Department of Atherosclerosis, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil.
authors.forename: Maria Clementina P
authors.initials: MC
authors.lastname: Giorgi
authors.affiliation: Department of Atherosclerosis, Heart Institute (InCor), University of São Paulo, São Paulo, Brazil. Electronic address: whady.hueb@incor.usp.br.
authors.forename: Whady
authors.initials: W
authors.lastname: Hueb
mesh_terms: D000368:Aged; D000787:Angina Pectoris / Q000000981:diagnostic imaging* / Q000209:etiology*; D001026:Coronary Artery Bypass; D058686:Coronary-Subclavian Steal Syndrome / Q000150:complications*; D006801:Humans; D008297:Male; D049268:Positron-Emission Tomography; D011183:Postoperative Complications / Q000000981:diagnostic imaging* / Q000209:etiology*; D012008:Recurrence