Mueller-Wille, Rene and Uller, Wibke and Goessmann, Holger and Heiss, Peter and Wiggermann, Philipp and Dollinger, Marco and Kasprzak, Piotr and Pfister, Karin and Stroszczynski, Christian and Wohlgemuth, Walter A. (2014) Inferior Mesenteric Artery Embolization Before Endovascular Aortic Aneurysm Repair Using Amplatzer Vascular Plug Type 4. CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY, 37 (4). pp. 928-934. ISSN 0174-1551, 1432-086X
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This study was designed to evaluate the efficacy and safety of Amplatzer Vascular Plug type 4 (AVP-4) for embolization of the inferior mesenteric artery (IMA) before endovascular aneurysm repair (EVAR) of the abdominal aorta to prevent endoleaks. A single-center retrospective review of 31 patients who underwent IMA embolizations before EVAR using the AVP-4 was performed. We analyzed the insertion and detachment procedure, the technical success, and the final position of the plug. Technical success was defined as complete occlusion of the IMA. To compare the incidence of IMA-related type II endoleaks in patients with and without preoperative IMA embolization, we additionally reviewed the course of 43 patients with a preoperatively patent IMA who underwent no IMA embolization. Plugs with a diameter of 5, 6, and 8 mm were used in 5 (16.1 %), 21 (67.7 %), and 5 (16.1 %) patients, respectively (50-100 % oversizing). In 29 of 31 patients (93.5 %), we observed complete occlusion of the IMA within 10 min (mean 5.1 min). Precise placement of the plug in the proximal segment of the IMA without occlusion of the first IMA branches was achievable in all patients. The distance between the AVP-4 and the first branches was on average 12 (range 2-57) mm. Preoperative IMA embolization with AVP-4 significantly reduced the incidence of complex IMA-lumbar type II endoleaks after EVAR (0/31 vs. 11/43; p = 0.002). The AVP-4 is a safe, feasible, and technically effective embolization device for IMA embolization before EVAR.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | II ENDOLEAKS; SAC; REDUCE; Arterial intervention; Embolization; Endovascular aneurysm repair; Abdominal aortic aneurysm (AAA) |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Chirurgie Medicine > Lehrstuhl für Röntgendiagnostik |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 04 Sep 2019 13:47 |
| Last Modified: | 04 Sep 2019 13:47 |
| URI: | https://pred.uni-regensburg.de/id/eprint/9826 |
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