What does this research mean for the field?

Severe coronary artery disease of the distal left main trunk was found in a patient with rare Vieussens and Kugel arterial rings. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To investigate the relationship between Vieussens and Kugel rings and severe lesions in the left main coronary artery.

January 10, 2026The International Journal of Cardiovascular Imaging0 citations

Vieussens and Kugel coronary rings and severe lesion of the left main coronary artery

MVMiguel B A VicenteClínica Sagrada Esperança GBGonçalo Terleira BatistaUniversity of Coimbra

Key Result

Severe coronary artery disease of the distal left main trunk was found in a patient with rare Vieussens and Kugel arterial rings.

Key Points

To investigate the relationship between Vieussens and Kugel rings and severe lesions in the left main coronary artery.
Case report of a patient with severe coronary artery disease.
Examination of anatomical variants of coronary arteries.
Assessment of the left main coronary artery.
Patient presented severe lesions in the distal left main trunk.
Anatomical variants of Vieussens and Kugel rings were confirmed.

Structured PICO

Population

1 patient with severe coronary artery disease of the distal left main trunk and Vieussens and Kugel arterial rings

Documents a rare anatomical variant of coronary arteries in a patient with severe left main disease.

Main Result

Absolute Event Rate: 0% vs 0%

Abstract

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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