Abdominal aortic aneurysm

Common Name(s)

Abdominal aortic aneurysm

An abdominal aortic aneurysm (AAA) is when the lower part of the aorta becomes enlarged, like a balloon. The aorta is the largest artery in the body. It carries blood from the heart down along the backbone where it splits into many smaller arteries that bring blood to all of the organs. Aneurysm is a general term that describes an enlargement of any blood vessel in the body. Aneurysms usually develop slowly over time and may not cause problems until they become so enlarged that they can rupture.

Smaller AAAs generally do not cause symptoms. Larger AAAs can cause symptoms such as a pulsating feeling near the belly button, deep and constant abdominal pain, or back pain. Rupture of an aortic aneurysm is a medical emergency. If an aortic aneurysm ruptures, symptoms include vomiting, intense pain, excessive sweating, a drop in blood pressure, fainting, and shortness of breath.

AAAs can be caused by stiffening of the artery walls due to plaque build up (atherosclerosis), infection of the aorta, or connective tissue diseases. Risk factors for the development of AAAs are increased in individuals who smoke, are male, or have a family history of aneurysms.

A doctor can perform many tests to diagnose this condition. Possible tests include imaging by abdominal ultrasound, chest X-ray, and MRI. Treatment options will vary depending on the size of the aneurysm. For smaller aneurysms, it may be better to wait and watch before seeking surgery. For larger aneurysms that are at risk of rupturing, surgery is usually the best treatment. Talk to your doctor about which of the current treatment options is right for you.

Source: Advocacy organizations associated with the condition.

 

Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Abdominal aortic aneurysm" for support, advocacy or research.

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Canadian Marfan Association

Increasing awareness, saving lives, and improving the quality of life for patients, their families, and medical professionals affected by Marfan syndrome, genetic aortic disorders, and related connective tissue disorders through national programs of education, support, and research.

Last Updated: 22 Jan 2013

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Abdominal aortic aneurysm" for support, advocacy or research.

Logo
Canadian Marfan Association

Increasing awareness, saving lives, and improving the quality of life for patients, their families, and medical professionals affected by Marfan syndrome, genetic aortic disorders, and related connective tissue disorders through national programs of education, support, and research.

http://www.marfan.ca

Last Updated: 22 Jan 2013

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Abdominal aortic aneurysm" returned 1707 free, full-text research articles on human participants. First 3 results:

Theoretical mechanism of temporary renal function improvement after abdominal aortic aneurysm surgery: Applications for clinical imaging and laboratory data.
 

Author(s): Katsuyuki Hoshina, Takafumi Akai, Marie Ohshima, Toshiaki Watanabe, Sota Yamamoto

Journal: Medicine (Baltimore). 2017 Jul;96(30):e7428.

 

We evaluated the effects of changes in blood flow due to abdominal aortic aneurysm (AAA) surgery by using a simple zero-dimension model and applied theoretical values to clinical data.The zero-dimension electronic circuit model and diagram of blood flow distribution were created by ...

Last Updated: 26 Jul 2017

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Aortic Wall Inflammation Predicts Abdominal Aortic Aneurysm Expansion, Rupture, and Need for Surgical Repair.
 

Author(s):

Journal: Circulation. 2017 Aug;136(9):787-797.

 

Ultrasmall superparamagnetic particles of iron oxide (USPIO) detect cellular inflammation on magnetic resonance imaging (MRI). In patients with abdominal aortic aneurysm, we assessed whether USPIO-enhanced MRI can predict aneurysm growth rates and clinical outcomes.

Last Updated: 19 Jul 2017

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Effects of anatomical characteristics as factors in abdominal aortic aneurysm rupture: CT aortography analysis.
 

Author(s): Kyoung Min Lee, Sun Young Choi, Min Uk Kim, Do Yun Lee, Kyung Ah Kim, Sanghui Park

Journal: Medicine (Baltimore). 2017 Jun;96(25):e7236.

 

The aim of this study was to analyze the anatomical characteristics of patients with ruptured abdominal aortic aneurysms (AAAs) using computed tomography (CT) aortography in order to determine the risk factors for rupture.We retrospectively reviewed the CT aortography findings and ...

Last Updated: 22 Jun 2017

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Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Abdominal aortic aneurysm" returned 164 free, full-text review articles on human participants. First 3 results:

[Patient volume and quality in surgery for abdominal aortic aneurysm].
 

Author(s): Astrid Austvoll-Dahlgren, Vigdis Underland, Gyri Hval Straumann, Louise Forsetlund

Journal:

 

BACKGROUND Patient volume is assumed to affect quality, whereby complex procedures are best performed by those who perform them frequently. We have conducted a systematic review of the research on the association between patient volume and quality of vascular surgery. In this article ...

Last Updated: 6 Apr 2017

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Extended use of endovascular aneurysm sealing for ruptured abdominal aortic aneurysms.
 

Author(s): Dittmar Böckler, Andrew Holden, Dainis Krievins, Jean-Paul P M de Vries, Andreas S Peters, Philipp Geisbüsch, Michel Reijnen

Journal: Semin Vasc Surg. 2016 Sep;29(3):106-113.

 

Endovascular repair of abdominal aortic aneurysms (EVAR) is now an established treatment modality for suitable patients presenting with aneurysm rupture. EVAR for ruptured aneurysms reduces transfusion, mechanical ventilation, intensive care. and hospital stay when compared with open ...

Last Updated: 19 Dec 2016

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Association between MTHFR C677T polymorphism and abdominal aortic aneurysm risk: A comprehensive meta-analysis with 10,123 participants involved.
 

Author(s): Jie Liu, Xin Jia, Haifeng Li, Senhao Jia, Minhong Zhang, Yongle Xu, Xin Du, Nianrong Zhang, Weihang Lu, Wei Guo

Journal: Medicine (Baltimore). 2016 Sep;95(36):e4793.

 

Abdominal aortic aneurysm (AAA) is a life-threatening condition. A number of studies reported the association between methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism and AAA risk, but substantial controversial findings were observed and the strength of the association remains unclear.

Last Updated: 8 Sep 2016

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Clinical Trial Information This information is provided by ClinicalTrials.gov

Magnetic Resonance Elastography in Patients With Abdominal Aortic Aneurysms
 

Status: Recruiting

Condition Summary: Abdominal Aortic Aneurysm

 

Last Updated: 26 Sep 2016

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Effect of Tranexamic Acid in Ruptured Abdominal Aortic Aneurysms
 

Status: Recruiting

Condition Summary: Abdominal Aortic Aneurysms

 

Last Updated: 1 Nov 2016

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