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. 2006 Jul;20(4):472-7.
doi: 10.1007/s10016-006-9094-z. Epub 2006 Jun 22.

The Endowedge and Kilt Techniques to Achieve Additional Juxtarenal Seal During Deployment of the Gore Excluder Endoprosthesis

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The Endowedge and Kilt Techniques to Achieve Additional Juxtarenal Seal During Deployment of the Gore Excluder Endoprosthesis

David J Minion et al. Ann Vasc Surg. .

Abstract

The proximal 4 mm of the Gore Excluder endoprosthesis are scalloped. Our purpose is to describe our initial experience of a novel technique, referred to as the "endowedge," that takes advantage of this scalloped configuration in aneurysms with short proximal necks. The technique utilizes a balloon in the renal artery to aid alignment of a scallop and allow additional juxtarenal seal. A retrospective review of aneurysms treated with the endowedge technique at our institution was initiated. Renal balloons were placed via the brachial approach. Excluder endografts were deployed by flowering the first one or two rings, then advancing upward against the inflated balloon during completion of deployment. In patients with dumbbell-shaped morphology, an aortic cuff was deployed in the distal seal zone prior to the main body (kilt technique). Eight patients were identified, three of whom underwent an adjuvant kilt procedure. Average preoperative proximal neck length was 8.5 mm (range 6-12). Average additional juxtarenal seal was 2.3 mm. Mean follow-up was 5 months (range 2.5 weeks to 9 months). There were no type I endoleaks. There were two type II endoleaks. Average aneurysm size decreased from 6.0 to 5.5 cm. No aneurysm has enlarged or ruptured. We conclude that the endowedge technique allows additional juxtarenal seal during endograft placement. Our early results suggest that this technique may allow for safe treatment of aneurysms with short necks.

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