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  • Title: Ruptured visceral artery aneurysms.
    Author: Wagner WH, Allins AD, Treiman RL, Cohen JL, Foran RF, Levin PM, Cossman DV.
    Journal: Ann Vasc Surg; 1997 Jul; 11(4):342-7. PubMed ID: 9236988.
    Abstract:
    Visceral artery aneurysms are uncommon lesions that are rarely identified in the absence of symptoms. Between February 1972 and April 1992, nine patients (5 men and 4 women) with rupture of visceral artery aneurysms were treated. The average age was 62 years old (range 39 to 86 years old). The arteries involved were the splenic (4), the common hepatic (2), the left hepatic (1), the celiac (1), and the superior mesenteric (SMA) (1). No ruptured renal artery aneurysm was identified. Six patients presented with abdominal distension, pain, and hemodynamic instability. Three patients had recurrent gastrointestinal bleeding with erosion into the duodenum, the common bile duct or the pancreatic duct. All three had unnecessary gastrointestinal operations despite preoperative (2 patients) or intraoperative (1 patient) identification of a visceral artery aneurysm. One patient with an SMA aneurysm had ligation and bypass. Three patients with splenic artery aneurysms had splenectomy. The remaining five patients had either ligation or resection without arterial reconstruction. No end-organ dysfunction was identified. There was one death (11%) due to the SMA aneurysm. Pathological findings in four patients were cystic medial necrosis, diffuse deficiency of the internal elastic lamina, fibromuscular dysplasia, and atherosclerosis, respectively. The remainder were thought to be due to atherosclerosis on gross examination. Rupture of visceral artery aneurysms occurs infrequently and can be treated by simple ligation in most cases. Recognition that rupture of splanchnic arterial aneurysms into adjacent viscera can cause recurrent gastrointestinal bleeding may prevent both substantial delays in diagnosis and inappropriate therapy.
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