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Definition
An aneurysm is a ballooning in the wall of an artery. It usually occurs when an artery wall becomes weak or damaged by the buildup of fatty deposits (atherosclerosis). Atherosclerosis is sometimes referred to as hardening of the arteries.
Aneurysms can form in any artery, anywhere in your body, including an artery in your brain. However, most aneurysms occur in the aorta, the body's largest artery. The aorta, which is about as thick as a garden hose, runs from your heart down the center of your chest and abdomen, eventually splitting off into two arteries, one that serves each leg.
Although an aneurysm can develop anywhere along your aorta, most occur in the section running through your abdomen. The rest occur in the section that runs through your upper chest.
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Symptoms
- Back and/or abdominal pain
- Pulsating mass in the abdomen
- Many patients show no symptoms and the aneurysm is discovered during a routine exam or chest x-ray.
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Treatments
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Endovascular Repair/AneuRx Stent Graft System
Surgeons at The Iowa Clinic are using this state of the art procedure on abdominal aortic aneurysms. During the procedure, a synthetic graft is attached to the end of a thin tube (catheter) that's inserted into the bloodstream, usually through an artery in the leg. The catheter is threaded upstream to the aorta and used to position the graft, which is basically a woven tube covered by a metal mesh, at the site of the aneurysm. Once in place, the graft is inflated and fastened in place with small hooks or pins. The graft reinforces the weakened section of the aorta to prevent rupture of the aneurysm.
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Traditional Open Surgery
This standard operation repairs an aortic aneurysm. It involves opening the abdomen or chest and stopping blood flow in the aorta so that the damaged section can be replaced with a synthetic tube (graft), which is sewn into place. Although this surgery is generally successful, because it requires an incision in the abdomen or chest, the recovery time is lengthy. Recovery may take longer than 6 weeks, including a 5-7 day stay in the hospital.
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