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  • Title: Arteriographic embolization of visceral artery pseudoaneurysms.
    Author: Stambo GW, Hallisey MJ, Gallagher JJ.
    Journal: Ann Vasc Surg; 1996 Sep; 10(5):476-80. PubMed ID: 8905068.
    Abstract:
    The purpose of this study was to determine the safety and efficacy of transcatheter embolization in the management of bleeding visceral artery pseudoaneurysms. Eight patients (four women and four men) whose mean age was 61.0 years (range 44 to 77 years) underwent emergency transcatheter embolization for acute hemorrhage from a visceral artery pseudoaneurysm. Arteriographic technique was used to localize and selectively embolize these seven visceral artery pseudoaneurysms (three inferior pancreaticoduodenal, one gastroduodenal, two hepatic, and one splenic) by means of intravascular steel coils. Arteriography demonstrated visceral artery pseudoaneurysms in all eight patients. Acute hemorrhage was documented by endoscopy, falling hematocrit levels, CT scans, and arteriography. Successful embolization of these visceral artery pseudoaneurysms was achieved in seven (88%) of eight patients. In one patient embolization was not attempted because of a worsening clinical status, and this patient subsequently underwent emergency surgical resection. There was no significant morbidity associated with the procedures and seven patients remain asymptomatic with no further bleeding at a mean follow-up of 21.1 months (range 11 to 46 months). Arteriographic embolization of visceral artery pseudoaneurysms is a safe and highly successful technique for the effective identification and treatment of hemorrhage even in critically ill patients.
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