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Case Reports
. 2018 Nov 21;2018(12):omy102.
doi: 10.1093/omcr/omy102. eCollection 2018 Dec.

Coronary subclavian steal syndrome-is there a need for routine assessment for subclavian artery stenosis following coronary bypass surgery?

M A Waduud  1 , M Giannoudi  1 , M Drozd  2 , C J Malkin  3 , J V Patel  1 , D J A Scott  1
Affiliations
Case Reports

Coronary subclavian steal syndrome-is there a need for routine assessment for subclavian artery stenosis following coronary bypass surgery?

M A Waduud et al. Oxf Med Case Reports. .

Abstract

Subclavian artery stenosis (SAS) resulting in coronary subclavian steal syndrome (CSSS) is a common but under recognized pathology following coronary artery bypass surgery (CABG). Patients with SAS may be asymptomatic due to the sub-clinical diversion of blood flow from the myocardium and retrograde blood flow during catheter angiography in the left internal mammary artery (LIMA) may be the first suggestion of CSSS. The management of SAS, causing CSSS, may rarely require acute assessment and intervention. However, full anatomical assessment of the stenosis morphology may be limited on fluoroscopy. Correction of SAS may be essential to achieve effective reperfusion therapy.

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Figures

Figure 1:
Figure 1:
Angiograms (LAO 30°, cranial 0°) illustrating (in white): vein graft, left anterior descending artery (LAD), diagonal artery (Diag) and left internal mammary artery (LIMA). Red arrows demonstrate antegrade flow down vein graft and retrograde flow up the LIMA.
Figure 2:
Figure 2:
Angiograms (RAO 30°, cranial 0°) illustrating (A) proximal subclavian artery stenosis, (B) ballooning and stenting of the proximal subclavian artery stenosis and (C) antegrade flow down the left internal mammary artery (LIMA) and left vertebral artery. Red arrows represent the direction of blood flow.
See this image and copyright information in PMC

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