79 - Freie Mitteilung
Complex Aortic
3. Juni 2022, 08:30 - 10:00, Panorama 7


Preliminary experience with the new off-the-shelf 4 inner branches E-nside for the treatment of complex aortic disease.
L. Ettorre, J. Longchamp, A. Longchamp, R. Trunfio, R. D'Amico, L. Wuarin, E. Côté, C. Deslarzes-Dubuis, S. Deglise, Presenter: L. Ettorre (Lausanne)

In case of complex aortic aneurysmal disease , fenestrated or branched EVAR (b/f-EVAR) is considered as a valid and safe alternative to open surgery. However, one the main limitation is the time required for manufacture, limiting its use in emergent situations. The new off-the-shelf 4 inner branches E-nside (Jotec, Hechingen, Germany) has been developed to offer a solution in such circumstances. The aim of this study was to report our preliminary monocentric experience with this new device.
Retrospective analysis of prospective data retrieved from 1 center between November 2020 and January 2022 was done. Endpoints were technical success, postoperative morbidity, rate of endoleak and any aneurysm-related re-interventions during follow-up.
In this study, 15 patients (mean age 73 years, range 59-90) were identified. There was a majority of male (9/15) and all of them but 3 were asymptomatic. The mean aneurysmal diameter was 60 mm (range 50-100). There were 3 cases of juxtarenal aortic aneurysms (20%), 1 Crawford type I (7%), 4 type II (27%), 4 type III (27%) and 3 type IV (20%) aneurysms. In 7 cases, a 2-steps procedure was done with a TEVAR first followed by Enside implantation. There was a technical success in 93% with 1 open conversion for a mesenterical bypass. There was no death in the post-operative period. During the post-operative period, 33% of patients (5/15) presented complications with 3 complications related to the femoral or iliac access and 2 cases of spinal cord ischemia (13%). One case occurred in an emergent setting of a type III aneurysm rupture. The other case was the open conversion and the patient also developed a colic ischemia and finally died 4 months alter. The mean length of stay was 9 days. During the follow-up, 2 reinterventions were necessary, 1 for a type Ic endoleak with distal prolongation of the stent and 1 renal stent occlusion treated by relining. The overall target vessel patency was 98%.
The use of the off-the-shelf 4 inner branches E-nside appears to be safe with good technical success for the treatment of complex aortic aneurysmal disease. It is associated with an acceptable rate of complications and allows for treatment of a wide variety of diseases in an emergent setting. Further patients and longer follow-up are required to better evaluate the exact role of this new device.
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