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  • Title: Total occlusion of the circumflex artery with collateral supply from the conus artery.
    Author: Mishkel GJ, Biagioni E, Stolberg H.
    Journal: Cathet Cardiovasc Diagn; 1991 Jul; 23(3):194-7. PubMed ID: 1868533.
    Abstract:
    The conus artery has long been recognized as an important source of collateral blood supply to a significantly diseased left anterior descending artery. This artery which arises 50% of the time from a separate orifice in the right sinus of Valsalva may also provide collateral circulation to a diseased right coronary artery. To date, there have been no reported instances of the conus artery supplying collateral flow to a totally occluded circumflex artery. In this report we describe such a case in a patient with severe three vessel disease. The implications of such a finding in patient management are also discussed.
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