{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T13:19:58Z","timestamp":1788268798019,"version":"build-2803163510"},"reference-count":14,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T00:00:00Z","timestamp":1783987200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T00:00:00Z","timestamp":1783987200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cathet Cardio Intervent"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Stump\u2010less occlusion of the left anterior descending artery (LAD) during anterior ST\u2010segment elevation myocardial infarction (STEMI) can make identification of the correct guidewire entry point technically challenging, particularly when the occlusion is adjacent to a large diagonal branch. We report a case in which delayed opacification of the anterior interventricular vein (AIV) provided a adjunctive fluoroscopic clue to the expected course of an angiographically ambiguous occluded LAD. A 68\u2010year\u2010old woman initially presented with 4\u2009h of exertional chest pain. The admission electrocardiogram showed no definite ischemic abnormality, and cardiac biomarkers were within normal limits. Eight hours after admission, she developed recurrent severe chest pain with diaphoresis, and repeat electrocardiography demonstrated ST\u2010segment elevation in the anterior precordial leads. Emergency coronary angiography revealed severe diffuse proximal right coronary artery stenosis and complete LAD occlusion immediately distal to a large first diagonal branch, with no clear proximal stump. Repeated attempts to cross the lesion based on the presumed LAD takeoff were unsuccessful. During prolonged cine acquisition, delayed opacification of the AIV became visible. Because the AIV usually courses within the anterior interventricular groove in close relationship to the LAD, its trajectory was used as a fluoroscopic landmark to redirect the guidewire. A conventional workhorse wire was then successfully advanced into the distal LAD true lumen, followed by balloon predilation and implantation of two stents, resulting in restoration of thrombolysis in myocardial infarction (TIMI) 3 flow. This case highlights delayed AIV opacification as a simple, anatomy\u2010based adjunctive clue that may facilitate true\u2010lumen wiring in selected cases of stump\u2010less LAD occlusion during anterior STEMI.<\/jats:p>","DOI":"10.1002\/ccd.70753","type":"journal-article","created":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T07:55:16Z","timestamp":1784015716000},"page":"1094-1098","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Delayed Anterior Interventricular Vein Opacification Guides True\u2010Lumen Wiring in Stump\u2010Less LAD Occlusion"],"prefix":"10.1002","volume":"108","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1328-0972","authenticated-orcid":false,"given":"Qianfeng","family":"Xiong","sequence":"first","affiliation":[{"name":"Department of Cardiology, Fengcheng People's Hospital The Affiliated Fengcheng Hospital of Yichun University Fengcheng Jiangxi Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shaoyong","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Fengcheng People's Hospital The Affiliated Fengcheng Hospital of Yichun University Fengcheng Jiangxi Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenbo","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Fengcheng People's Hospital The Affiliated Fengcheng Hospital of Yichun University Fengcheng Jiangxi Province 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