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Treatment of Acute Aortic Dissection Complicated by Atherosclerotic Aortic Aneurysm
This study was designed to clarify the clinical characteristics and optimal management of patients who have acute aortic dissections accompanied by atherosclerotic (true) aortic aneurysm. Between January 1992 and August 1996, a total of 132 patients (Stanford type A/B = 72/60) had surgical repair or...
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Published in: | Vascular surgery 1999-07, Vol.33 (4), p.393-399 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | This study was designed to clarify the clinical characteristics and optimal management of patients who have acute aortic dissections accompanied by atherosclerotic (true) aortic aneurysm. Between January 1992 and August 1996, a total of 132 patients (Stanford type A/B = 72/60) had surgical repair or medical treatment of acute aortic dissection at our institution. Seventeen (type A/B: 5/12) of them had concurrent or previously repaired true thoracic or abdominal aortic aneurysms. There were 14 men and three women patients, ranging in age from 58 to 79 years with a mean of 70 years. Five patients developed type A dissections that affected preexisting true aneurysms located on the aortic arch (n=four) and infrarenal aorta (n=one). They all underwent emergency operations: four patients had total arch repair with resection of aortic arch aneurysms resulting in one death due to myocardial infarction, and the remaining one patient had a hemiarch repair that was followed by resection of an enlarged abdominal aortic aneurysm (AAA) 2 years later. Twelve patients developed type B dissections. Five of them had preexisting true aneurysms affected by dissection: there were three descending thoracic aortic aneurysms (DTAA) and two AAAs; rupture occurred in three patients (DTAA/AAA=one/two) while awaiting surgery. The other two patients successfully underwent emergency graft replacements of the descending thoracic aorta containing true aneurysm and dissection. No patient among the remaining seven with type B dissections, who had AAAs not affected by dissection, had an unfavorable outcome because of the presence of concurrent dissection and true aneurysm. The risk of rupture appears to be high in patients with an aortic segment where true aneurysm is affected by acute dissection. Hence, surgical repairs should be done on an emergency basis in those patients irrespective of the type of dissection. |
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ISSN: | 0042-2835 |
DOI: | 10.1177/153857449903300411 |