Oncology & Cancer

Cancer patients face greater risks from abdominal aneurysm repair

Elective abdominal aortic aneurysm (AAA) repair in patients with a cancer diagnosis is associated with several poor postoperative outcomes according to a newly published study from researchers at the University of Missouri ...

Cardiology

Q&A: Thoracic aortic aneurysms

DEAR MAYO CLINIC: My friend was diagnosed with a thoracic aortic aneurysm. What causes this type of aneurysm, and how fast does it grow? Also, how are thoracic aortic aneurysms treated?

Cardiology

Mechanical basis for abdominal aortic embolism discovered

Abdominal aortic aneurysm (AAA) is a complex and life-threatening vascular disease with high incidence worldwide. Termed the silent killer, most AAAs are asymptomatic, often going undetected until rupture, and involve a poorly ...

Cardiology

More people should be screened for abdominal aortic aneurysm

(HealthDay)—A majority of patients who undergo repair for ruptured abdominal aortic aneurysms (AAAs) do not qualify for screening, according to a study published online in the August issue of the Journal of Vascular Surgery.

Cardiology

New recommendations for popliteal artery aneurysms

(HealthDay)—In a clinical practice guideline issued by the Society for Vascular Surgery (SVS) and published in the Journal of Vascular Surgery, recommendations are presented for the medical management of popliteal artery ...

Cardiology

Attacking aortic aneurysms before they grow

A new study investigates a genetic culprit behind abdominal aortic aneurysm, a serious condition that puts people at risk of their aorta rupturing—a potentially deadly event.

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Abdominal aortic aneurysm (also known as AAA, pronounced "triple-a") is a localized dilatation (ballooning) of the abdominal aorta exceeding the normal diameter by more than 50 percent, and is the most common form of aortic aneurysm. Approximately 90 percent of abdominal aortic aneurysms occur infrarenally (below the kidneys), but they can also occur pararenally (at the level of the kidneys) or suprarenally (above the kidneys). Such aneurysms can extend to include one or both of the iliac arteries in the pelvis.

Abdominal aortic aneurysms occur most commonly in individuals between 65 and 75 years old and are more common among men and smokers. They tend to cause no symptoms, although occasionally they cause pain in the abdomen and back (due to pressure on surrounding tissues) or in the legs (due to disturbed blood flow). The major complication of abdominal aortic aneurysms is rupture, which is life-threatening, as large amounts of blood spill into the abdominal cavity, and can lead to death within minutes. Mortality in the hospital is 60% to 90%.

Surgery is recommended when the aneurysm is large enough (>5.5 cm in diameter) that the risk of surgery (1% to 6%) is less than the risk of rupture. In open surgery, the surgeon opens the abdomen and stitches in a replacement section of artery; in endovascular surgery the surgeon feeds the replacement section through the patient's artery and replaces it from inside.

There is moderate evidence to support screening in individuals with risk factors for abdominal aortic aneurysms (e.g., males ≥65).

This text uses material from Wikipedia licensed under CC BY-SA