Primary aortoesophageal fistula secondary to thoracic aneurysm
The Japanese Journal of Thoracic and Cardiovascular Surgery(2002)
Abstract
Aortoesophageal fistula (AEF) secondary to thoracic aneurysm is rare, and is usually fatal without prompt surgical intervention, with few survivors reported. Here we report a case of a 68-year-old woman late-presenting AEF successfully treated by extra-anatomic bypass grafting. Since she had already a mediastinal infection caused by AEF on admission, we performed extra-anatomic bypass grafting from the ascending aorta to the infrarenal aorta, and primary esophageal repair. The extra-anatomic bypass grafting was performed to avoid the risk to secondary graft infection and to decrease the total ishemic time induced by intraoperative aortic clamping, which is necessary when in-situ graft replacement is chosen. Although only 17 cases (including the present case) have been reported as long-term survivors, most have involved in-situ repair of the thoracic aneurysm. To our knowledge, the present case was only the second treated successfully by extra-anatomic bypass grafting. We recommend extra-anatomic bypass grafting for a case with severe infection and prolonged hypoperfusion insult caused by massive bleeding due to rupture in an aneurysm.
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Key words
aortoesophageal fistula,thoracic aneurysm,extra-anatomic bypass grafting
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