{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T17:21:44Z","timestamp":1791825704870,"version":"4.3.4"},"reference-count":10,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2012,11,13]],"date-time":"2012-11-13T00:00:00Z","timestamp":1352764800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Cardiovasc Disord"],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Type VI dual left anterior descending artery (LAD) is a rare coronary anomaly, the first case of which has recently been described. This is the first report of type VI dual LAD anomaly in which the patient presented with non-ST-segment elevation myocardial infarction and percutaneous coronary intervention was performed in the anomalously originating LAD.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Case presentation<\/jats:title>\n            <jats:p>A 52-year-old man with diabetes, hypertension and hyperlipidemia presented with chest pain without ST elevation on EKG, although the patient\u2019s troponin I level was elevated. Coronary angiography revealed a short LAD originating from the left main coronary artery and a long LAD originating from the proximal portion of the right coronary artery (RCA). Three-dimensional reconstruction of computed tomography of images revealed that the long LAD originated from the proximal RCA and coursed between the right ventricular outflow tract (RVOT) and the aortic root before entering the mid anterior interventricular groove. The high take-off RCA originated underneath the RVOT, pointing downwards and forming an acute angle with the proximal portion of the long LAD. The anomalous long LAD displayed significant stenosis. We performed successful percutaneous coronary intervention (PCI) in the anomalous artery.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>With accurate understanding of the coronary anatomy and appropriate hardware selection, successful PCI can be performed in the in the long LAD in patients with type VI dual LAD anomaly.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1471-2261-12-101","type":"journal-article","created":{"date-parts":[[2012,11,13]],"date-time":"2012-11-13T17:14:29Z","timestamp":1352826869000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["A case report of type VI dual left anterior descending coronary artery anomaly presenting with non-ST-segment elevation myocardial infarction"],"prefix":"10.1186","volume":"12","author":[{"given":"Yonggu","family":"Lee","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young-Hyo","family":"Lim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinho","family":"Shin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyung-Soo","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2012,11,13]]},"reference":[{"issue":"4","key":"508_CR1","doi-asserted-by":"publisher","first-page":"626","DOI":"10.1002\/ccd.23219","volume":"80","author":"J Maroney","year":"2012","unstructured":"Maroney J, Klein LW: Report of a new anomaly of the left anterior descending artery: Type VI dual LAD. Cathet Cardiovasc Interv : Off J Soc Cardiac Angiography Interv. 2012, 80 (4): 626-629.","journal-title":"Cathet Cardiovasc Interv : Off J Soc Cardiac Angiography Interv"},{"issue":"2","key":"508_CR2","doi-asserted-by":"publisher","first-page":"139","DOI":"10.1016\/j.jcct.2009.12.007","volume":"4","author":"A Manchanda","year":"2010","unstructured":"Manchanda A, Qureshi A, Brofferio A, Go D, Shirani J: Novel variant of dual left anterior descending coronary artery. J Cardiovasc Comput Tomogr. 2010, 4 (2): 139-141. 10.1016\/j.jcct.2009.12.007.","journal-title":"J Cardiovasc Comput Tomogr"},{"issue":"2","key":"508_CR3","doi-asserted-by":"publisher","first-page":"100","DOI":"10.1053\/j.ro.2008.01.005","volume":"43","author":"S Patel","year":"2008","unstructured":"Patel S: Normal and anomalous anatomy of the coronary arteries. 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Radiology. 2005, 235 (3): 812-818. 10.1148\/radiol.2353040314.","journal-title":"Radiology"},{"issue":"12","key":"508_CR8","first-page":"636","volume":"17","author":"Y Ikari","year":"2005","unstructured":"Ikari Y, Nagaoka M, Kim JY, Morino Y, Tanabe T: The physics of guiding catheters for the left coronary artery in transfemoral and transradial interventions. J Invasive Cardiol. 2005, 17 (12): 636-641.","journal-title":"J Invasive Cardiol"},{"issue":"11","key":"508_CR9","first-page":"570","volume":"21","author":"Y Ikari","year":"2009","unstructured":"Ikari Y, Masuda N, Matsukage T, Ogata N, Nakazawa G, Tanabe T, Morino Y: Backup force of guiding catheters for the right coronary artery in transfemoral and transradial interventions. 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