
Abdominal Aortic Aneurysm - StatPearls - NCBI Bookshelf
2025年1月19日 · An abdominal aortic aneurysm (AAA) is an abnormal focal dilation of the abdominal aorta. This life-threatening condition requires monitoring or treatment depending on the size of the aneurysm and associated symptoms. The AAA may be detected incidentally or …
Abdominal Aortic Aneurysm: Natural History, Pathophysiology …
An abdominal aortic aneurysm (AAA) is a degenerative pathology that affects the infrarenal segment of the aorta, leading to its progressive dilatation and eventually rupture. The infrarenal segment is involved in 80% of the aortic aneurisms, and ...
Understanding the pathogenesis of abdominal aortic aneurysms
Smoking and positive family history are important risk factors for the development of abdominal aortic aneurysms (AAA). Several genetic risk factors have also been identified. On the histological level, visible hallmarks of AAA pathogenesis include inflammation, smooth muscle cell apoptosis, extracellular matrix degradation, and oxidative stress.
Abdominal aortic aneurysms: pathophysiology and clinical issues ...
2020年4月17日 · Abdominal aortic aneurysm (AAA) is a permanent, local dilatation or bulging of the abdominal aorta greater than 30 mm or exceeding by 50% the normal aortic diameter [1]. Most AAAs affect the infrarenal segment of the aorta, proximal to …
Pathophysiology and epidemiology of abdominal aortic aneurysms
2010年11月16日 · Abdominal aortic aneurysms (AAAs) are found in up to 8% of men aged >65 years, yet usually remain asymptomatic until they rupture. Rupture of an AAA and its associated...
Pathophysiology and epidemiology of abdominal aortic aneurysms
Abdominal aortic aneurysms (AAAs) are found in up to 8% of men aged >65 years, yet usually remain asymptomatic until they rupture. Rupture of an AAA and its associated catastrophic physiological insult carries overall mortality in excess of …
Abdominal aortic aneurysm (AAA) • LITFL • CCC Vascular
2020年11月3日 · Abdominal Aortic Aneurysm (AAA) is a permanent localised or diffuse dilatation of the abdominal aorta to 1.5 times its normal diameter that involving all three layers of the vessel wall
Aortic aneurysm: pathophysiology and therapeutic options
2024年9月7日 · Aortic aneurysm (AA) is an aortic disease with a high mortality rate, and other than surgery no effective preventive or therapeutic treatment have been developed. The renin–angiotensin system (RAS) is an important endocrine system that regulates vascular health.
Pathogenesis and management of abdominal aortic aneurysm
2023年6月30日 · Abdominal aortic aneurysm (AAA) causes ∼170 000 deaths annually worldwide. Most guidelines recommend asymptomatic small AAAs (30 to <50 mm in women; 30 to <55 mm in men) are monitored by imaging and large asymptomatic, symptomatic, and ruptured AAAs are considered for surgical repair.
Abdominal aortic aneurysm: update on pathogenesis and medical ...
2018年11月15日 · This Review discusses the latest findings and current theories on the pathogenesis of abdominal aortic aneurysm (AAA) and highlights potential medical therapies for AAA, summarizing previous ...