An optimal combination for EVAR: Low profile endograft body and continuous spiral stent limbs

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Abstract

Aim to evaluate the outcomes of EVAR performed with a new generation of bifurcated endografts and limbs. Methods prospectively collected data from fifty consecutive patients with abdominal aortic aneurysms (AAA) treated at our institution with a Low Profile Zenith® bifurcated body/Zenith® Spiral-Z legs combo were analysed. AngioCT scans and Ultrasound exams were performed prior to discharge. Ultrasound examination was repeated 6 months after the procedure to assess endograft patency and to depict endoleaks Results Median age was 70.6 years [50-88] and median ASA score was 3 [2-4]. Median aortic diameter was 56 mm [49-81]. Of the 100 external iliac access vessels, 14 had a diameter of 6 mm or lower. All endografts were successfully implanted. Post-operative Ultrasound examination and angioCT scan depicted both 1 type Ia, and 10 and 19 type 2 endoleaks respectively. An asymptomatic thrombosis of the left external iliac artery distal to the endograft limb was also depicted. 30-day mortality rate was 0%. Two patients died respectively three and four months after EVAR. Both deaths were not aneurysm related. All patients underwent an ultrasound exam 6-12 months after EVAR. All endografts main bodies and limbs were patent. Five endoleaks were depicted, all were type II endoleaks (the early type Ia endoleak had sealed spontaneously; it was confirmed by an angioCT scan). One patient presented a significant stenosis of the left iliac limb at the level of a narrow and calcified aortic bifurcation. It was successfully treated by bilateral iliac angioplasty and kissing balloon stenting. Conclusions EVAR performed with the Zenith LP main body in combination with Spiral-Z Iliac Legs is safe and effective. No limb occlusions were diagnosed at the 6 month follow up even in challenging iliac anatomies usually considered as contra indications for EVAR. Our first results are most satisfying and calling to be completed by a longer follow up. © 2013 European Society for Vascular Surgery. Published by Elsevier Ltd. All rights reserved.

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Couchet, G., Maurel, B., Sobocinski, J., Hertault, A., Le Roux, M., Azzaoui, R., & Haulon, S. (2013). An optimal combination for EVAR: Low profile endograft body and continuous spiral stent limbs. European Journal of Vascular and Endovascular Surgery, 46(1), 29–33. https://doi.org/10.1016/j.ejvs.2013.03.022

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