Abstract
Ascending (type I) aortic dissection carries a high morbidity and mortality. Proper identification of the proximal origin of the dissection and determination of concomitant aortic valve involvement significantly facilitate surgical repair, which may improve survival. In this case, intraoperative two-dimensional echocardiography with contrast injections was used to image the heart and great vessels before and after cardiopulmonary bypass. The proximal origin of the intimal flap of a type I dissection was identified, and primary aortic valve disease was excluded. Postprocedure intraoperative echocardiography demonstrated that the site of repair was imaged and that aortic regurgitation was absent. Intraoperative contrast two-dimensional echocardiography may be a valuable new tool to provide information otherwise unavailable by routine techniques.
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