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July 1972, Vol 105, No. 1 >
ARTICLE | July 1972

Dissecting Thoracic Aortic Aneurysms

Howard L. Rosenberg, MD; Donald G. Mulder, MD
Arch Surg. 1972;105(1):19-23. doi:10.1001/archsurg.1972.04180070017003.
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In 16 years, 33 operations were performed on 32 patients out of a total of 55 with dissecting thoracic aneurysms. The overall mortality was 64%. This was much higher (88%) for type 1 cases (tear near the aortic valve and dissection extending beyond the descending aorta) than for type 2 (tear and dissection confined to ascending aorta) or for type 3 (tear and dissection distal to left subclavian) in which the mortality was 40% and 44%, respectively. At all levels, the mortality was higher for acute than for chronic dissections. Since, it is essential that the torn segment of the aorta be removed for a successful operation, precise aortography is a preoperative requirement. In most instances surgical therapy is indicated and these indications are defined.

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