نتایج جستجو برای: aaa
تعداد نتایج: 5367 فیلتر نتایج به سال:
BACKGROUND This study was performed to determine the impact of an endovascular program (EVP) on open and endovascular abdominal aortic aneurysm (AAA) operations in a residency training institution. METHODS Over an 8-year period ending in September 2001, hospital records of all patients undergoing open or endovascular AAA repair were retrospectively reviewed. Data were analyzed to determine th...
Abdominal aortic aneurysm (AAA) affects more than 5% of the population in developed countries and the pharmacotherapies for AAA are limited. Here, we explored whether melatonin regulates the development of AAA. In smooth muscle cells, melatonin treatment decreases angiotensin II-induced matrix metalloproteinase 2 (MMP2) and MMP9 expression. Human antigen R (HuR) could bind with the adenylateuri...
Aneurysmal arterial disease is a vascular degenerative condition that is distinct from atherosclerotic and other occlusive arterial diseases. There is regionalization of the predisposition to aneurysm formation within the vascular tree, and the pathological process varies with location. Infrarenal abdominal aortic aneurysm (AAA) is the most common manifestation of aneurysmal disease, and smokin...
Abdominal aortic aneurysm (AAA) is a vascular condition that causes permanent dilation of the abdominal aorta, which can lead to death due to aortic rupture. The only treatment for AAA is surgical repair, and there is no current drug treatment for AAA. Aortic inflammation, vascular smooth muscle cell apoptosis, angiogenesis, oxidative stress and vascular remodeling are implicated in AAA pathoge...
Identification and treatment of abdominal aortic aneurysm (AAA) remain among the most prominent challenges in vascular medicine. MicroRNAs (miRNAs) are crucial regulators of cardiovascular pathology and represent intriguing targets to limit AAA expansion. Here we show, by using two established murine models of AAA disease along with human aortic tissue and plasma analysis, that miR-24 is a key ...
The prevalence of abdominal aortic aneurysm (AAA) and its risk factors are well known in Western countries but few data are available from low- and middle- income countries. We are not aware of systematically collected population- based data on AAA in the African region. We evaluated the prevalence of AAA in a population- based cardiovascular survey conducted in the Republic of Seychelles in 20...
Abdominal aortic aneurysm (AAA) involves the degradation of vascular fibres, and dilation rupture abdominal aorta. Hypoperfusion in walls due to stenosis vasa vasorum is reportedly a cause AAA onset induction adventitial ectopic adipocytes. Recent studies have reported that adipocytes are associated with both human hypoperfusion-induced animal models, highlighting pathological importance hypope...
We described the first case of limb ischemia induced by acute aortic dissection in the patient with previous abdominal aortic aneurysm (AAA) repair. A 56-year-old male was referred for severe limb ischemia. He underwent AAA repair one month before the referral. Computed tomography (CT) scan revealed Stanford type B aortic dissection extended to the proximal anastomosis site of the AAA repair. T...
The main criterion for abdominal aortic aneurysm (AAA) repair is an AAA diameter >/=5.5 cm. However, some AAAs rupture when they are smaller. Size alone may therefore not be a sufficient criterion to determine rupture risk. Fluorodeoxyglucose (FDG) uptake is increased in the presence of inflammation and it was suggested that this may be a better predictor of rupture risk than AAA size. Furtherm...
DESCRIPTION Update of the 2005 U.S. Preventive Services Task Force (USPSTF) recommendation on screening for abdominal aortic aneurysm (AAA). METHODS The USPSTF commissioned a systematic review that assessed the evidence on the benefits and harms of screening for AAA and strategies for managing small (3.0 to 5.4 cm) screen-detected AAAs. POPULATION These recommendations apply to asymptomatic...
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