Is Inferior Mesenteric Artery Embolization Indicated Prior to Endovascular Repair of Abdominal Aortic Aneurysm?

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Biancari , F , Makela , J , Juvonen , T & Venermo , M 2015 , ' Is Inferior Mesenteric Artery Embolization Indicated Prior to Endovascular Repair of Abdominal Aortic Aneurysm? ' , European Journal of Vascular and Endovascular Surgery , vol. 50 , no. 5 , pp. 671-674 . https://doi.org/10.1016/j.ejvs.2015.06.116

Title: Is Inferior Mesenteric Artery Embolization Indicated Prior to Endovascular Repair of Abdominal Aortic Aneurysm?
Author: Biancari, F.; Makela, J.; Juvonen, T.; Venermo, M.
Contributor: University of Helsinki, Clinicum
Date: 2015-11
Language: eng
Number of pages: 4
Belongs to series: European Journal of Vascular and Endovascular Surgery
ISSN: 1078-5884
URI: http://hdl.handle.net/10138/159272
Abstract: Type II endoleak is a common condition occurring after endovascular repair of abdominal aortic aneurysms (EVAR), and may result in aneurysm sac growth and/or rupture in a small number of patients. A prophylactic strategy of inferior mesenteric artery (IMA) embolization before EVAR has been advocated, however, the benefits of this strategy are controversial. A clinical vignette allows the authors to summarize the available data about this issue and discuss the possible benefits and risks of prophylactic IMA embolization before EVAR. The authors performed a meta-analysis of available data which showed that the pooled rate of type II endoleak after IMA embolization was 19.9% (95% Cl 3.4-34.7%, I-2 93%) whereas it was 41.4% (95% Cl 30.4-52.3%, I-2 76%) in patients without IMA embolization (5 studies including 596 patients: p <.0001, OR 0.369, 95% Cl 0.22-0.61, I-2 27%). Since treatment for type II endoleaks is needed in less than 20% of cases and this complication can be treated successfully in 60-70% of cases resulting in an aneurysm rupture risk of 0.9%, these data indicate that embolization of patent IMA may be of no benefit in patients undergoing EVAR. (C) 2015 European Society for Vascular Surgery. Published by Elsevier Ltd. All rights reserved.
Subject: Abdominal aortic aneurysm
Embolization
Endoleak
Endovascular
EVAR
Inferior mesenteric artery
PERSISTENT TYPE-2 ENDOLEAK
AMPLATZER VASCULAR PLUG
II ENDOLEAKS
SAC ENLARGEMENT
MANAGEMENT
RISK
INTERVENTION
SURVIVAL
DISEASE
SURGERY
3126 Surgery, anesthesiology, intensive care, radiology
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