Medical Xpress March 23, 2023
The largest blood vessel in the body, the abdominal aorta, sends freshly oxygenated blood to the rest of the body. Each year, about 200,000 adults in the United States are diagnosed with an abdominal aortic aneurysm (AAA), a swelling and/or potentially fatal rupture of this crucial blood vessel that occurs when the vessels’ walls weaken. Age, high blood pressure and smoking are among the risk factors.
Proceduralists can repair aortic aneurysms by reinforcing the weakened aorta with a device called a stent graft. This repair had previously required accessing the aorta via open surgery. In recent years, endovascular aneurysm repair (EVAR)—a minimally-invasive procedure in which a folded and compressed stent graft device is inserted through an artery in the groin,...