Abstract

Coronary ositial endarterectomy. Upon aortotomy, bilateral coronary ostia were not immediately identifiable. Classic tree-bark appearance of the aortic root was demonstrated. Aortic valve leaflets were thickened and retracted. The sinuses of Valsalva were rudimentary. Coronary ostioplasty was attempted. The left ostium remained atretic, thus necessitating bypass grafting.

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