Date of Award

8-1-2021

Document Type

Open Access Thesis

Degree Name

MS in Physician Assistant Studies (PA)

Department

Physician Assistant Studies

First Advisor

Kristen Lindvall, PA-C

Abstract

Introduction: Abdominal aortic aneurysm (AAA) is a disease with high mortality and morbidity. Evidence-based screening guidelines and elective repair options are crucial to mitigate the risk of rupture. Two primary techniques exist in the treatment of AAA. The open surgical repair method was standard of care until introduction of endovascular aneurysm repair in the 1990s. Endovascular aneurysm repair has become the mainstay of treatment of abdominal aortic aneurysms due to its minimally invasive approach and improved perioperative outcomes. Long-term overall survival outcomes are similar between the two approaches.

Methods: A systematic search of PubMed was conducted to review relevant articles comparing outcomes between open surgical repair versus endovascular aneurysm repair in the treatment of unruptured AAA.

Background: Patient-centered outcomes drove this research to better understand short-term and long-term findings between the two techniques. This literature review compares and contrasts the differing types of repair and outlines mortality rates, infection, hemorrhage, colonic ischemia, reintervention, secondary rupture, postoperative surveillance, and risk of future malignancy.

Conclusion: Evidence from the literature continues to support the use of endovascular aneurysm repair in the management of unruptured abdominal aortic aneurysm. Endovascular repair remains superior to open repair in perioperative outcomes and short-term mortality. Open surgical repair is still considered definitive treatment for AAA and is associated with less future interventions and risk of secondary rupture.

Identifier

SC 11.PAS.2021.Armbruster.C

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