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  • Title: Use of angioplasty in the prevention and treatment of coronary--subclavian steal syndrome.
    Author: Hallisey MJ, Rees JH, Meranze SG, Siegfeld A, Lowe R.
    Journal: J Vasc Interv Radiol; 1995; 6(1):125-9. PubMed ID: 7703577.
    Abstract:
    PURPOSE: The coronary-subclavian artery steal (CSS) syndrome is caused by critical stenosis in the subclavian artery proximal to a bypass graft from the internal mammary artery (IMA) to the coronary artery. The stenosis results in retrograde flow in the IMA and steal from the coronary artery. PATIENTS AND METHODS: Percutaneous transluminal angioplasty (PTA) was performed in eight patients (five men, three women). In four patients (group 1), coronary ischemia had developed 0.5-70 months (mean, 31 months) after IMA-to-coronary artery bypass surgery. These four patients (mean age, 58 years; range, 44-68 years) underwent PTA of a single area of focal subclavian stenosis to treat CSS. In four other patients (group 2), atherosclerotic subclavian stenosis had developed proximal to a donor IMA before planned bypass surgery. These patients (mean age, 53 years; range, 50-57 years) underwent PTA of a single focal subclavian stenosis to prevent CSS. RESULTS: Group 1 patients were free of myocardial ischemia at follow-up (mean follow-up, 39.0 months; range, 14-101 months). Three of four patients in group 2 underwent coronary artery bypass grafting with the ipsilateral IMA following PTA of the subclavian stenosis; they were free of angina at follow-up (mean follow-up, 14 months; range, 10-18 months). CONCLUSION: PTA is a safe and efficacious short-term method for prevention and treatment of CSS syndrome.
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