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An aneurysm is an outward bulging, likened to a bubble or balloon, caused by a localized, abnormal, weak spot on a blood vessel wall. [1] Aneurysms may be a result of a hereditary condition or an acquired disease. Aneurysms can also be a nidus (starting point) for clot formation and embolization.
The smaller the aneurysm the better the prognosis. There is less risk for ischemic myocardial damage and mortality with smaller aneurysms. Aneurysms with an internal diameter > 8 mm have poorer outcomes, since these aneurysms can be occluded and be associated with complications such as arrhythmias, myocardial infarction, or sudden death. [2]
Ventricular aneurysms are one of the many complications that may occur after a heart attack. The word aneurysm refers to a bulge or 'pocketing' of the wall or lining of a vessel commonly occurring in the blood vessels at the base of the septum, or within the aorta.
Analysis of data from this trial has indicated a 7% lower eight-year mortality rate with coiling, [33] a high rate of aneurysm recurrence in aneurysms treated with coiling—from 28.6 to 33.6% within a year, [34] [35] a 6.9 times greater rate of late retreatment for coiled aneurysms, [36] and a rate of rebleeding 8 times higher than surgically ...
[3] [4] Other causes include ruptured aneurysm of sinus of Valsalva and other aneurysms of the aortic arch. [5] Hemopericardium can be diagnosed with a chest X-ray or a chest ultrasound, and is most commonly treated with pericardiocentesis. [6]
Brain aneurysm causes: "Most aneurysms probably develop as a result of wear and tear on the arteries throughout a person's lifetime," the Brain Aneurysm Foundation noted . Some people can inherit ...
An aortic aneurysm is an enlargement (dilatation) of the aorta to greater than 1.5 times normal size. [1] Typically, there are no symptoms except when the aneurysm dissects or ruptures, which causes sudden, severe pain in the abdomen and lower back. [2] [3] The etiology remains an area of active research.
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.