alexa Paraanastomotic aneurysms of the abdominal aorta: a 15-year experience review.
Surgery

Surgery

Journal of Vascular Medicine & Surgery

Author(s): Locati P, Socrate AM, Costantini E

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Abstract The aim of the study is a retrospective review of clinical presentation and management of paraanastomotic aneurysms of the abdominal aorta (PAAA) surgically treated in our Department. From January 1984 to December 1998, 2183 aortic prosthetic grafts were implanted. During the same period, 24 patients were treated for PAAA, 19 false and five true aneurysms. Symptoms were present in 10 patients. Surgical management included tube grafting interposition (14), aortobifemoral bypass (2), graft removal with extraanatomic bypass (2) and with in situ revascularization by arterial homograft (4). Nine patients died during operation or in the early postoperative period, six died during follow-up. Mortality in symptomatic patients was 70\%, while in asymptomatic group was 14\% (P=0.01). Rupture of false PAAA was very frequent (47\% of cases). PAAA are infrequent complications of proximal aortic graft revascularization and tend to be asymptomatic until rupture occurs. The incidence of mortality is very different in asymptomatic versus symptomatic group; rupture is particularly frequent in false PAAA, which must soon undergo surgery when diagnosed. Since PAAA may develop at any time after surgery, their incidence increase in relationship with the length of postoperative interval: therefore, all patients submitted to abdominal graft revascularization need a lifetime surveillance program.
This article was published in Cardiovasc Surg and referenced in Journal of Vascular Medicine & Surgery

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