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Title: Outcomes of Open Repair, Fenestrated Stent Grafting, and Chimney Grafting in Juxtarenal Abdominal Aortic Aneurysm: Is It Time for a Randomized Trial?
Authors: Khamin Chinsakchai
Tossapol Prapassaro
Worawong Salisatkorn
Kiattisak Hongku
Frans L. Moll
Chanean Ruangsetakit
Chumpol Wongwanit
Nattawut Puangpunngam
Suteekhanit Hahtapornsawan
Nuttawut Sermsathanasawadi
Pramook Mutirangura
University Medical Center Utrecht
Faculty of Medicine, Siriraj Hospital, Mahidol University
Keywords: Medicine
Issue Date: 1-Apr-2019
Citation: Annals of Vascular Surgery. Vol.56, (2019), 114-123
Abstract: © 2018 Elsevier Inc. Background: The well-established, gold standard treatment for juxtarenal abdominal aortic aneurysms (JAAAs) is open repair (OR). However, endovascular treatment with fenestrated or chimney grafts has been increasingly performed in the past decade. This study compared the outcomes of OR with 2 endovascular methods in JAAA. Methods: We retrospectively reviewed consecutive patients with JAAA who underwent OR (n = 32), repair with fenestrated stent grafts (fenestrated endovascular aortic aneurysm repair [FEVAR], n = 20), or chimney grafts (Ch-EVAR, n = 23) during the period from January 2011 to December 2016 at a single center. Our primary end point was perioperative mortality. Secondary end points included renal function impairment, new-onset dialysis, procedural details, and postoperative complications. Kaplan-Meier analysis was used to estimate freedom from late reintervention, primary patency of target vessel stent grafts, and overall survival. Results: There were no significant differences between groups in baseline characteristics. Perioperative mortality was similar in all the 3 groups (3.1% (1/32) in the OR group, 0% in the FEVAR group, and 4.3% (1/23) in the Ch-EVAR group. Mean follow-up duration was 36.7 months (range 1–75 months). There were no significant differences between groups regarding any of the secondary end points, except for blood loss (which was significantly greatest in the OR group), and there was no significant difference in overall survival. Estimated target vessel stent patency at 1 and 4 years was 93.8% and 93.8% in the FEVAR group, and 89.5% and 89.5% in the Ch-EVAR group. There was no significant difference between groups in estimated freedom from late reintervention (96.4% in the OR group, 77.2% in the FEVAR group, and 82.3% in the Ch-EVAR group). Conclusions: Open surgery is an acceptable and effective treatment for JAAA. However, FEVAR and Ch-EVAR also showed high technical success rates and low perioperative mortality, with acceptable reintervention rates during follow-up.
ISSN: 16155947
Appears in Collections:Scopus 2019

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