A novel, injectable shear-thinning hydrogel for treating abdominal aortic aneurysms (AAA) has been developed by scientists at the Terasaki Institute for Biomedical Innovation (TIBI). This hydrogel not only demonstrates increased ...
Mar 26, 2024
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Abdominal aortic aneurysm (AAA), a common degenerative vascular disease, particularly afflicts men over the age of 60, with up to 8% affected. Characterized by the abnormal dilation of the abdominal aorta, AAA risks a potentially ...
Aug 29, 2023
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Each year, about 200,000 people in the United States are diagnosed with a bulge in the lower part of the aorta, the main artery in the body, called an abdominal aortic aneurysm (AAA).
Jun 8, 2023
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The intravenous delivery of immune-modulating cells may someday slow the expansion of bulges in the aorta, known as abdominal aortic aneurysms. A second study found evidence that a COVID-19 infection may promote the enlargement ...
May 11, 2023
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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), ...
Mar 23, 2023
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When receiving treatment for abdominal aortic aneurysm, female patients have a higher risk for kidney damage after endovascular repair, a Michigan Medicine study finds.
Mar 7, 2023
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When the artery that supplies the stomach and the liver forms a bulge that ruptures, this medical emergency results in the deaths of 50 percent of patients before they reach the hospital. This "silent killer" condition, known ...
Feb 23, 2023
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A new study from the University of Sheffield has found clear evidence of socioeconomic disparities in operation rates and survival after surgery for dangerous abdominal aortic aneurysms.
Feb 13, 2023
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American journalist Grant Wahl, who died while reporting on a match during the 2022 Qatar World Cup, is said to have suffered from a ruptured aortic aneurysm. This happens when bulging in the aorta (the main blood vessel ...
Dec 20, 2022
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One disease is more common in people assigned female at birth, while the other is more common in people assigned male at birth. But a new publication details a "shared complex genetic architecture" between the cardiovascular ...
Dec 1, 2022
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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
