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Ann Thorac Surg 1998;66:2093-2094
© 1998 The Society of Thoracic Surgeons

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Case Reports

Compression of anomalous circumflex coronary artery by a prosthetic valve ring

^a Ottawa CivicUniversity of Ottawa Heart Institute, and Departments of Pathology, Laboratory Medicine, and Surgery, University of Ottawa, Ottawa, Ontario, Canada
^b Ottawa General HospitalsUniversity of Ottawa Heart Institute, and Departments of Pathology, Laboratory Medicine, and Surgery, University of Ottawa, Ottawa, Ontario, Canada
^c Division of Cardiovascular Surgery, Heart Institute, University of Ottawa, Ottawa, Ontario, Canada

Accepted for publication July 20, 1998.

Address reprint requests to Dr Veinot, Department of Laboratory Medicine, Ottawa Civic Hospital, 1053 Carling Ave, Ottawa, Ontario, Canada

Anomalous origin of the circumflex coronary artery from the right aortic sinus, with a retroaortic course, is usually without consequence. We report a patient who underwent aortic valve replacement for bicuspid aortic valve. The prosthesis sewing ring distorted the circumflex, producing myocardial infarcts and sudden death during exercise.

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