{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T21:53:10Z","timestamp":1777672390246,"version":"3.51.4"},"reference-count":17,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Investigative Medicine High Impact Case Reports"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:p>Coronary-subclavian steal syndrome (CSSS) is a rare but important complication following coronary artery bypass grafting (CABG) involving the left internal mammary artery (LIMA), typically due to proximal subclavian artery stenosis. We present a 54-year-old male with prior triple-vessel CABG (LIMA to left anterior descending) who developed acute chest pain and elevated troponin levels. Electrocardiogram showed diffuse ST-segment changes. Emergent angiography revealed patent grafts but critical 90% stenosis of the left subclavian artery proximal to the LIMA origin. The lesion was successfully treated with percutaneous angioplasty and drug-eluting stent placement, resulting in the resolution of symptoms and preserved cardiac function. CSSS, though uncommon, should be considered in post-CABG patients with recurrent angina or myocardial injury despite patent grafts. Literature estimates subclavian stenosis in up to 5% of CABG candidates, yet routine screening remains inconsistent. This case highlights CSSS as a reversible cause of ischemia and underscores the value of targeted vascular imaging in selected patients.<\/jats:p>","DOI":"10.1177\/23247096251367580","type":"journal-article","created":{"date-parts":[[2025,9,17]],"date-time":"2025-09-17T13:02:13Z","timestamp":1758114133000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Myocardial Infarction Masking: A Rare Case of Coronary-Subclavian Steal Syndrome"],"prefix":"10.1177","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-2665-406X","authenticated-orcid":false,"given":"Sinen Tadesse","family":"Zeleke","sequence":"first","affiliation":[{"name":"Department Of Cardiology, Marshall University Joan C. 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