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The Journal of Thoracic and Cardiovascular Surgery, Vol 82, 576-584, Copyright © 1981 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Surgical management of acute dissections involving the ascending aorta. Early and late results in 38 patients

JP Cachera, PR Vouhe, DY Loisance, P Menu, H Poulain, G Bloch, N Vasile, P Aubry and JJ Galey

Thirty-eight patients (32 men and six women, mean age 48.1 years) were operated upon for acute dissection involving the ascending aorta. The surgical procedure included multiple peripheral arterial cannulations, resection of the initial intimal tear if found (35 cases), and obliteration of the false channel by double cuffing with Teflon of the two layers of the dissecting process proximally and distally. When present (29 cases), aortic regurgitation was usually (21 cases) managed by conservative remodeling of the aortic anulus; 34 prosthetic replacements of the ascending aorta and four replacements of the arch were achieved. The operative mortality was 7.9% (3138) and the overall hospital mortality was 23.7% (9138). Nonfatal complications occurred in 11 patients (29%). There were three late deaths (10.3%). Mean follow-up was 3.4 years (2 months to 8 years, 8 months). Twenty-three (88.5%) of the 26 patients were asymptomatic. Contrast tomodensitometry was performed in 14 patients; in type II (two patients), the aorta was normal; in type I (12 patients), residual abnormalities were noted: patency of the false channel (10 cases), aneurysmal dilatation (seven cases), and reduction of the true lumen by the false channel (four cases). These results emphasize the need for scrupulous long-term follow-up in surgically treated aortic dissections.

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