Abstract
An 80-year-old post–coronary artery bypass graft (CABG) patient had an acute coronary syndrome with non–ST-segment elevation myocardial infarction (ACS-NSTE) with saphenous vein graft (SVG)–obtuse marginal stenosis. High-definition intravascular ultrasound revealed an underexpanded SVG stent with a hyperechoic structure. Optical coherence tomography confirmed surgical clip causing compression, resolved by post-dilation. This case underscores ACS-NSTE complexity post-CABG and the critical role of coronary imaging in optimizing interventions by addressing surgical clip–induced compression.
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