DeBakey IIIb Aortic Dissection Originating in a Distal Aortic Arch Aneurysm

Saeki Tsukamoto, MD,1 Shoji Shindo, MD,1 Masahiro Obana, MD,1 Kenji Akiyama, MD,2 Motomi Shiono, MD,2 and Nanao Negishi, MD2

This report presents a case of DeBakey IIIb aortic dissection originating in a distal aortic arch fusiform aneurysm. The atherosclerotic change of the aneurysm was mild and the letter "C"-shaped intimal flap was turned over to obstruct the true lumen blood flow. A four-branched woven Dacron vascular prosthesis was implanted in a double barrel fashion. Although this case was successfully managed, an emergent operation should have been conducted. (Ann Thorac Cardiovasc Surg 2003; 9: 209-211)

Key words: aortic dissection, aortic aneurysm, intimal tear

From 1Department of Cardiovascular Surgery, National Hospital Tokyo Disaster Medical Center, Tokyo, and 2Second Department of Surgery, Nihon University School of Medicine, Tokyo, Japan

Received January 8, 2003; accepted for publication January 28, 2003
Address reprint requests to Saeki Tsukamoto, MD: Department of Cardiovascular Surgery, Surugadai Nihon University Hospital, 1-8-13 Kandasurugadai, Chiyoda-ku, Tokyo 101-8309, Japan.

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