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J Card Surg. 1994 Nov;9(6):729-33.

Subtypes of acute aortic dissection.

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1
Department of Cardiothoracic Surgery, Mount Sinai Medical Center, New York, New York 10029.

Abstract

The technique of open distal anastomosis using deep hypothermic circulatory arrest was used in 69 cases of acute type A aortic dissection. These cases were subcategorized by site of intimal tear, which was found in the ascending aorta in 41 patients (60%), in the arch in 22 patients (32%), and in the descending aorta in 5 patients (7%). Clinical characteristics and complications are described for these subtypes. Hospital mortality, which was 14.5% overall for acute type A dissections, was 14.6% for ascending tears, 18.2% for arch tears, and 0% for descending aortic tears. Six-year survival was 69% +/- 15% for ascending tears, 69% +/- 22% for arch tears, and 80% +/- 25% for descending tears (mean +/- SEM, p = NS). A classification system for aortic dissection is proposed, based on both site of origin and propagation.

PMID:
7841652
[Indexed for MEDLINE]

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