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Showing 1 to 20 of 34 for “"abdominal aortic aneurysm"”.
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Risk Factors in Abdominal Aortic Aneurysm
The mortality rate of ruptured abdominal aortic aneurysm (AAA) has been reported to be as high as 85%. Evidence suggests that ultrasound screening reduces overall and AAA-related mortality. The aim of this study was to identify and document risk factors for AAA from the largest Welsh cohort …
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Molecular genetics of abdominal aortic aneurysm
Abdominal aortic aneurysm (AAA) is a common disorder and a major cause of death. Pathological processes involved in AAA formation include inflammation, proteolysis, angiogenesis and apoptosis. It has also a strong familial predisposition with linkage studies identifying chromosomes 19q13 and 4q31 …
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Abdominal Aortic Aneurysm – Different Aspects on Screening
Abstract Abdominal aortic aneurysm (AAA) is a hideous life threatening disease that most often is asymptomatic until it ruptures. Ruptured abdominal aortic aneurysm (rAAA) is a painful and serious predicament with a mortality of 80-90%. Half of the patients die before arriving to hospital, leaving …
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Prediction of outcome after abdominal aortic aneurysm rupture
… tools recommended for outcome prediction after abdominal aortic aneurysm (AAA) rupture and to design and validate a novel risk scoring instrument. It also aims to examine the utility of novel predictive variables. Finally, it examines the functional outcomes achieved by survivors of aneurysm …
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Total Plasma Homocysteine, Vitamins, Abdominal Aortic Aneurysm and Peripheral Vascular Disease
… on the relationship between homocysteine and abdominal aortic aneurysm (AAA), peripheral vascular disease (PVD), and the effect of vitamin B<sub>12</sub> and folic acid blood levels on plasma homocysteine concentration. This study was aimed to examine this possible …
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Imaging of abdominal aortic aneurysm disease activity and implications for endovascular aneurysm repair
BACKGROUND: Abdominal aortic aneurysm treatment pathways are initiated when an aortic size threshold of 55 mm is reached as this signifies a high annual risk of rupture due to presumed active aneurysm disease. Endovascular aneurysm repair (EVAR) is one treatment modality which reduces the …
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Fluid Flow Characterization and In Silico Validation in a Rapid Prototyped Abdominal Aortic Aneurysm Model
<p>Aortic aneurysms are the 14<sup>th</sup> leading cause of death in the United States. Annually, abdominal aortic aneurysm (AAA) ruptures are responsible for 4500 deaths. There are another 45,000 repair procedures performed to prevent rupture, and of these approximately 1400 lead to deaths. With …
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The results of surgical treatment of abdominal aortic aneurysm: influence and evaluation of comorbidities, demographic and surgical risk factors /
… and late results of non-ruptured and ruptured abdominal aortic aneurysm. In the introduction the aim of the study and objectives are listed. In the review of the literature main problems of pending topic are analyzed. The methodology is described in a special chapter. The results of 373 …
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A retrospective audit into the morbidity and mortality of open abdominal aortic aneurysm repair at Groote Schuur Hospital, Cape Town
… repairs is 4-8%. Many patients presenting with abdominal aortic aneurysms are elderly and have pre-existing medical conditions, therefore putting them at high risk for numerous post-operative complications, such as acute kidney injury, pulmonary and cardiac complications. These complications …
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Obstructive Sleep Apnea Risk in Abdominal Aortic Aneurysm Disease Patients: Associations with Physical Activity Status, Metabolic Syndrome, and Exercise Tolerance
… to be highly prevalent among patients with abdominal aortic aneurysm (AAA) disease. Objectives: Examine associations between OSA risk and physical activity (PA), metabolic syndrome (MetSyn), and exercise responses to cardiopulmonary exercise testing (CPET) in elderly patients with AAA …
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A Markov decision analysis model to aid the vascular surgeon in the management of a patient with an asymptomatic infra-renal abdominal aortic aneurysm
… and efficacy of endovascular (EVAR) and open abdominal aortic aneurysm repair, it is often unclear which technique is most appropriate for an individual patient. We have designed a decision analysis model that will predict survival, reintervention rates and other parameters for individual …
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Missed opportunities for the detection of abdominal aortic aneurysms : a retrospective study of eighteen patients presenting with a ruptured or acute symptomatic abdominal aortic aneurysm
A ruptured abdominal aortic aneurysm (AAA) has a mortality of 80 percent. The majority of these cases present as medical emergencies, with 50 percent dying before they reach hospital. Twenty percent are not operated on because of an incorrect diagnosis and of the surviving 30 percent, there will be …
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Transcriptomic Analysis for the Identification and Prioritization of Treatment of Abdominal Aortic Aneurysms
Abdominal aortic aneurysms are pathological dilations of the abdominal aorta, characterized by a high mortality rate, and a lack of effective prognostic predictors. As the disease progresses, the aortic wall becomes significantly degraded and eventually the structure is compromised, leading to …
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A Computational Model of Aneurysmal Flow at the Abdominal Aorta
Abdominal Aortic Aneurysm is a dilatation of the aortic artery that occurs in response to degradation of the wall structure. The present research focused on developing a realistic hemodynamic model of the aneurysm using a new method to assign boundary conditions. A three element Windkessel model …
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Multiphysics Computational Model of Fluid Flow and Mass Transport in Aneurysm
<p>The abdominal aortic aneurysm is progressive, asymptomatic, and can eventually lead to rupture which is a catastrophic event leading to massive internal bleeding and possibly death. AAA cases have been characterized by the development of an intraluminal thrombus (ILT). The ILT correlates with …
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The fate of proximally excluded iliac arteries following open repair of abdominal aortic aneurysms
Aneurysms occur throughout the length of the aorta, with a large proportion occurring in the infra-renal segment of the abdominal aorta (least 9 to 10 times more common than thoracic aortic aneurysms). Aneurysmal disease of the aorto-iliac segment which commonly occurs as a result of a degenerative …
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MECHANICAL CHARACTERIZATION OF PORCINE AORTA USING MAGNETIC RESONANCE IMAGING
Determination of aortic mechanical properties in a non-invasive way would be an important step in predicting the onset and development of one of the most fatal degenerative cardiovascular diseases: abdominal aortic aneurysm(AAA). The approach presented in this work to achieve this goal couples …
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Quantifying AAAs and developing FEA models for stent grafts
Abdominal Aortic Aneurysm (AAA) is an irreversible dilation of the lower section of the aorta that poses lethal threat to the patient. Medical intervention has been conducted for decades via open surgery, yet more recently, the minimally invasive technique of endovascular aneurysm repair (EVAR) is …
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