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An aortic aneurysm can occur as a result of trauma, infection, or, most commonly, from an intrinsic abnormality in the elastin and collagen components of the aortic wall. Aortic aneurysm development and progression have been directly associated with a deficiency of elastin as well as a loss of collagen type 1. [19]
Aneurysm of the aortic sinus, also known as the sinus of Valsalva, is a rare abnormality of the aorta, the largest artery in the body. The aorta normally has three small pouches that sit directly above the aortic valve (the sinuses of Valsalva), and an aneurysm of one of these sinuses is a thin-walled swelling.
A thoracic aortic aneurysm is an aortic aneurysm that presents primarily in the thorax. A thoracic aortic aneurysm is the "ballooning" of the upper aspect of the aorta, above the diaphragm. Untreated or unrecognized they can be fatal due to dissection or "popping" of the aneurysm leading to nearly instant death.
The aortic wall dilatation at the commissural level causes the cusps to effectively shorten and prevent them from converging during systole, which results in aortic valve incompetence. The arch is typically spared from the aneurysmal process, though it may involve the entire ascending aorta. The ectatic aorta may experience dissections.
The Bentall procedure is a type of cardiac surgery involving composite graft replacement of the aortic valve, aortic root, and ascending aorta, with re-implantation of the coronary arteries into the graft. This operation is used to treat combined disease of the aortic valve and ascending aorta, including lesions associated with Marfan syndrome.
Gary Gygax, co-creator of Dungeons & Dragons, died from an abdominal aortic aneurysm in 2008, at the age of 69. Harvey Korman died on May 29, 2008, aged 81, at UCLA Medical Center as the result of complications from a ruptured abdominal aortic aneurysm he had suffered four months earlier. He is interred at Santa Monica's Woodlawn Cemetery.
Open aortic surgery (OAS) is used to treat patients with aortic aneurysms greater than 5.5 cm in diameter, to treat aortic rupture of an aneurysm any size, to treat aortic dissections, and to treat acute aortic syndrome. It is used to treat infrarenal aneurysms, as well as juxta- and pararenal aneurysm, thoracic and thoracoabdominal aneurysms ...
Common features of both techniques of the replacement process are the clamping of the aorta and the use of a length of Dacron tube (also known as an "aortic graft"), typically 5 cm, to constrict the aortic root to the normal diameter, while the patient is cooled to 20°C and placed on life support. The procedure typically takes 4 to 6 hours in ...
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