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Angiology
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Stenosis in a Coronary Collateral Artery—A Case Report

Paul Van den Heuvel

Department of Cardiology, Middelheim Ziekenhuis, Antwerp, Belgium

Frank Van den Branden

Department of Cardiology, Middelheim Ziekenhuis, Antwerp, Belgium

Herman D'Heer

Department of Cardiology, Middelheim Ziekenhuis, Antwerp, Belgium

Michel Vandewoude

Department of Cardiology, Middelheim Ziekenhuis, Antwerp, Belgium

Gaston Parizel

Department of Cardiology, Middelheim Ziekenhuis, Antwerp, Belgium

The coronary cineangiography of a man with an inferoposterior myocardial infarction is reported. An occlusion of the proximal right coronary artery and an occlusion at the origin passing around the left atrial wall of the circumflex artery was observed. A large collateral artery connected the right coronary artery and the distal circumflex artery. This vessel showed a significant stenosis of 70%. This case suggests that collateral arteries are not protected from atherosclerotic degeneration. Alternatively, since the exact caliber of the anastomosis before the occlusion of the recipient artery is not known, an extrinsic compression or kinking may have generated the stenosis at the time of the flow-related dilatation of the vessel.

Angiology, Vol. 41, No. 6, 498-501 (1990)
DOI: 10.1177/000331979004100613
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