Larger aneurysms, more than two inches (5 cm) in diameter, are more likely to burst, resulting in internal bleeding that is fatal unless treated immediately. Only about half of patients with a ruptured AAA who get to a hospital survive.
A ruptured aneurysm normally causes severe abdominal and/or lower back pain and is life threatening, requiring immediate medical attention.
Most people with AAA do not feel any symptoms, though some may experience:
Only about 10 percent of AAAs can be diagnosed during a physical examination. Most AAAs are noted on one of the following tests, sometimes being done for other reasons;
Control high blood pressure to limit stress on the aneurysm over time, beta blockers are the preferred first-line medication.
AAA smaller than 5 cm (2 inches) are lower risk, do not cause symptoms. The goal is to control blood pressure and monitor every 6-12 months via one of the above imaging tests.
AAA larger than 5 cm (2 inches) are at higher risk of complication and may require interventions such as:
