Digital subtraction angiography of aortic dissection

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Abstract
Digital subtraction angiography (DSA) was used to study six patients with aortic dissection, five of whom had undergone surgical repair. One patient had both pre- and postoperative evaluations. DSA with intravenous contrast administration is a relatively noninvasive procedure that provides diagnostic images in projection format allowing assessment of the extent of aortic dissection and involvement of important aortic branches. Postacquisition reprocessing techniques unique to DSA optimize the imaging information regarding flow dynamics of the true and false channels.

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