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Coronary subclavian steal syndrome causing myocardial Infarction


1 Department of Cardiovascular Medicine, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts, USA
2 Department of Internal Medicine, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts, USA

Correspondence Address:
Paurush Ambesh
Department of Cardiovascular Medicine, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts, 01199
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aca.ACA_83_20

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Year : 2021  |  Volume : 24  |  Issue : 2  |  Page : 256-259

 

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Coronary subclavian steal syndrome (CSSS) is a rare complication of the internal mammary artery (IMA) grafting in coronary artery bypass surgery. The technical definition is myocardial ischemia due to the reduced flow of blood, or flow reversal in the IMA graft. This in most cases results from hemodynamically significant proximal subclavian artery stenosis. The clinical presentation is variable and ranges from unstable angina to myocardial infarction, and in some cases, sudden cardiac arrest. CSSS is an entity that is hard to diagnose if one is not actively looking for it. The clinical diagnosis is often complicated, and the prevalence of the disorder is frequently underestimated. In this case presentation, we report a case of myocardial infarction that resulted from significant proximal subclavian artery stenosis.






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1 Department of Cardiovascular Medicine, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts, USA
2 Department of Internal Medicine, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts, USA

Correspondence Address:
Paurush Ambesh
Department of Cardiovascular Medicine, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts, 01199
USA
Login to access the Email id

Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aca.ACA_83_20

Rights and Permissions

Coronary subclavian steal syndrome (CSSS) is a rare complication of the internal mammary artery (IMA) grafting in coronary artery bypass surgery. The technical definition is myocardial ischemia due to the reduced flow of blood, or flow reversal in the IMA graft. This in most cases results from hemodynamically significant proximal subclavian artery stenosis. The clinical presentation is variable and ranges from unstable angina to myocardial infarction, and in some cases, sudden cardiac arrest. CSSS is an entity that is hard to diagnose if one is not actively looking for it. The clinical diagnosis is often complicated, and the prevalence of the disorder is frequently underestimated. In this case presentation, we report a case of myocardial infarction that resulted from significant proximal subclavian artery stenosis.






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