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Eur J Cardiothorac Surg 1999;16:240-242
© 1999 Elsevier Science NL

Case report

The formation of two layers detectable by intraoperative echocardiography is a reliable predictor of late thrombosis within the false lumen of a dissected aorta

Department of Cardiovascular Surgery, National Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565, Japan

Corresponding author. Tel.: +81-6-68335012; fax: +81-6-68727486
e-mail: yokita{at}hsp.ncvc.go.jp

The subjects consisted of one patient with chronic type A and three patients with chronic type B aortic dissection, who underwent replacement of an aorta obliterating distal false lumen. After the repair, the formation of two layers was detected by direct scanning echocardiography within the false lumen even during heparinization. In all cases, postoperative computed tomography confirmed complete thrombosis of the false lumen. The formation of two layers was considered to be a reliable predictor of late thrombosis.

Key Words: Echocardiography • Thrombosis • Aortic dissection