Tricuspid incompetence resulting from retrograde aortic dissection.

This paper presents a 51 year old black female with known hypertension and an acute illness characterized by aortic regurgitation, cerebrovascular insufficiency, renal insufficiency, aortic valvular insufficiency, mediastinal widening and other features characteristic of acute Type I aortic dissection. An unusual feature in this individual is dissection extending into the membranous septum of the heart and into the aorto-atrial space with large hematoma, which partially disrupted the conduction system as well as dislodging the tricuspid septal leaflet in such fashion that major tricuspid regurgitation was present and interfered with termination of cardiopulmonary bypass. This patient presents a very unusual complication of which we wish to inform the readers.