SAIMSARA Journal

Machine Generated Science • ISSN 3054-3991

EVAR vs Open Repair for Abdominal Aortic Aneurysm: Scoping Review with ☸️SAIMSARA.

Cardiac & Vascular Health icon

Cardiac & Vascular Health

Issue 1, Volume 1, 2026

DOI: 10.62487/saimsara25b15399

Editorial note
• Last update: 2026-05-02 08:09:03
What is this paper about
Endovascular aneurysm repair (EVAR) wins early, especially in ruptured and high-risk Abdominal aortic aneurysm — but open repair still wins durability in younger, fitter patients. This review maps where the trade-off truly lies: early survival and faster recovery versus lifelong surveillance, reintervention burden, renal decline, endoleaks, and uncertain late risks.
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Abstract: The aim of this paper is to synthesize contemporary evidence comparing endovascular aneurysm repair (EVAR) and open surgical repair (OSR) across elective and emergency settings. Specifically, this review evaluates perioperative and long-term mortality, reintervention rates, postoperative complications (including renal and cardiac events), cost-effectiveness, and patient-reported quality of life. The review utilises 775 original studies with 8334526 total participants (topic deduplicated ΣN). The mapped evidence indicates that EVAR confers a clear early perioperative survival advantage over OSR in both elective (1.7% vs 4.7%) and ruptured (17.9% vs 32.1%) abdominal aortic aneurysm presentations, but this benefit attenuates over time and is offset by substantially higher reintervention rates (16.7%–31.6% vs 4.6%–6.9%) and signals of inferior late survival in younger and lower-risk cohorts. Across the synthesized topics, recurrent signals support open repair durability advantages in fitter patients, endovascular advantages in elderly, obese, and ruptured presentations, and persistent concerns regarding endoleaks, delayed renal decline, arterial stiffness, and possible abdominal cancer risk after endovascular repair. The evidence map also highlights that hospital and surgeon volume, frailty, hostile neck anatomy, and socioeconomic access modulate outcomes more strongly than the choice of repair alone. Clinically, these patterns support an individualized, risk-stratified approach in which endovascular repair is prioritized for ruptured aneurysms and high-risk or elderly patients with suitable anatomy, while open repair remains a durable option for younger low-risk candidates treated at high-volume centers. A major uncertainty is the heterogeneity of long-term outcomes across anatomic complexity, device generation, and health system context, suggesting that future research should focus on prospective, registry-linked comparative studies that integrate frailty, anatomic suitability, late renal and oncologic outcomes, and conversion strategies after failed endovascular repair to refine patient selection in the contemporary endovascular era.

Keywords: Abdominal aortic aneurysm; Endovascular aneurysm repair; Open surgical repair; All-cause mortality; Reintervention rates; Long-term survival; Ruptured aortic aneurysm; Cost-effectiveness; Lifelong surveillance; Acute kidney injury

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Reference Index (159)