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Coronary-subclavian steal syndrome following coronary artery bypass grafting
R Saydjari1, J R Upp, F J Wolma
1Department of Surgery, University of Texas Medical Branch, Galveston.
Insights
Coronary-subclavian steal syndrome, a rare cause of angina pectoris after coronary artery bypass grafting (CABG), can be effectively treated. Surgical bypass of subclavian artery occlusion relieved angina in two patients.
Area of Science:
- Cardiovascular Surgery
- Vascular Surgery
- Cardiac Surgery
Background:
- Coronary-subclavian steal syndrome (CSSS) is a rare complication following coronary artery bypass grafting (CABG).
- The internal mammary artery (IMA) is increasingly used in CABG, potentially increasing CSSS incidence.
- CSSS can cause angina pectoris due to altered blood flow.
Abstract:
Angina pectoris resulting from the coronary-subclavian steal syndrome is a rare phenomenon with only 10 previously reported cases. However, with the increasing use of the internal mammary artery in the coronary artery bypass graft (CABG) procedure it may be encountered more frequently in the future. We report our recent experience with coronary-subclavian steal syndrome after CABG with 2 patients in whom complete relief from angina pectoris was obtained following bypass of a proximal subclavian artery occlusion in one patient and improvement of angina in the other. A review of the relevant literature is also presented.