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Updated: Feb 9, 2026

Porcine Model of Infrarenal Abdominal Aortic Aneurysm
Published on: November 21, 2019
Current status of the treatment of infrarenal abdominal aortic aneurysms
Linda J Wang1, Anand M Prabhakar2, Christopher J Kwolek1
1Department of Vascular and Endovascular Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
Insights
Infrarenal abdominal aortic aneurysms (AAA) are a common cause of death. Endovascular aneurysm repair (EVAR) is the primary treatment due to better short-term outcomes compared to open surgical repair (OSR).
Area of Science:
- Vascular Surgery
- Medical Diagnostics
- Public Health
Background:
- Aortic aneurysms are a significant cause of mortality in the US, with infrarenal abdominal aortic aneurysms (AAA) being the most prevalent.
- Ultrasound screening is an effective and cost-efficient method for preventing AAA rupture.
- Repair is indicated for symptomatic aneurysms or those exceeding 5.4 cm in diameter.
Purpose of the Study:
- To review the current management strategies for infrarenal abdominal aortic aneurysms (AAA).
- To discuss the comparative outcomes of open surgical repair (OSR) and endovascular aneurysm repair (EVAR).
Main Methods:
- Review of current literature on infrarenal AAA management.
- Comparison of open surgical repair (OSR) and endovascular aneurysm repair (EVAR) outcomes.
Main Results:
- Endovascular aneurysm repair (EVAR) is currently the preferred treatment for infrarenal AAA.
- EVAR demonstrates improved short-term morbidity and mortality rates compared to OSR.
Conclusions:
- EVAR is the primary treatment modality for infrarenal AAA due to favorable short-term results.
- Continued evaluation of long-term outcomes for both OSR and EVAR is essential.
Abstract:
Aortic aneurysms are the 13th leading cause of death in the United States. While aneurysms can occur along the entire length of the aorta, the infrarenal location is the most common. Targeted ultrasound screening has been found to be an effective and economical means of preventing aortic aneurysm rupture. The indication for repair includes either symptomatic aneurysms or aneurysms with a diameter greater than 5.4 cm. Treatment options for the repair of infrarenal aortic aneurysms are open surgical repair (OSR) and endovascular aneurysm repair (EVAR). Currently, EVAR is the primary treatment method for the repair of infrarenal aortic aneurysms due to improved short-term morbidity and mortality outcomes. This article is intended to review the current status of the management of infrarenal abdominal aortic aneurysms (AAA).
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