Key result
Severe distal left main CAD presents alongside rare Vieussens and Kugel arterial rings.
Documents a rare anatomical variant of coronary arteries in a patient with severe left main disease.
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No practice change for left main disease; leaves open any link to rare arterial rings.
Vieussens and Kugel arterial rings are rare anatomical variants of the coronary arteries, connecting the conical branch of the right coronary artery to the branches of the left coronary artery. We report a case of severe coronary artery disease of the distal left main trunk in a patient with Vieussens and Kugel arterial rings.
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Vicente et al. (2026) studied this question. Severe coronary artery disease of the distal left main trunk was found in a patient with rare Vieussens and Kugel arterial rings.
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