abdominal aorta

..We conclude that endovascular exclusion of paraanastomotic aneurysms after aortic reconstruction is a viable alternative to open surgical repair and greatly reduces the risk of morbidity and death...

..and dermatan sulfate (DS)--during the progression of atherosclerosis and aneurysmal dilatation of the human abdominal aorta. The concentration of CS was increased 24% (p < or = 0...

..We measured blood flow in the suprarenal and infrarenal abdominal aorta of 18 wild-type C57BL/6J mice and 15 apolipoprotein E (apoE)-/- mice...

..We evaluated whether the abdominal aortic stiffness was altered in the patients with beta-thalassemia major in relation with body iron load...

..Consequently, a model for ISR in the rat would be convenient for pathobiological studies. Here we present the full characteristics of a rat ISR model suitable for high throughput stent research...

..To investigate the relationship between the vascular diameter and the extent and histologic characteristics of atherosclerosis in the thoracic and abdominal aortas of patients who died of atherosclerotic disease...

..Exceptionally, it has been described in the abdominal aorta. Aortic hypoplasia is a tubular narrowing of a long segment of the aorta and is a rare congenital defect, ..

..Recurrent spontaneous distal embolization may also occur from an ulcerated thrombus of the abdominal aorta. The simultaneous presence of a mobile thrombus in the thoracic aorta and ulcerated thrombus of the abdominal ..

..Concomitantly, increased turbulence may contribute significantly to wall stress magnitude and thereby to risk of rupture...

..This study presents the pattern of stenotic lesions of the abdominal aorta and the incidence of arterial hypertension...

..The rat left ventricular hypertrophy was induced by abdominal aorta coarctation and Rg(1) (3.75, 7.5 and 15 mg/kg/day) was given the day after surgery for 21 consecutive days...

..centric reordered, three-dimensional (3D) MR angiography (MRA) pulse sequence in imaging the abdominal aorta and renal and peripheral lower extremity arteries...

..We report a patient with cardiac myxoma presenting with multi-organ embolism including saddle embolism of the aorta in a previously healthy female...

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..the "peripheral" bilateral limb left/right-femoral arteries (FA) from the "central" upper abdominal aorta (Ao) above the celiac trunk according to the formula: BFAP = BFAo-both BFFAs...

OBJECTIVE: To ultrasonographically evaluate hemodynamics in the abdominal aorta (AAo) and splanchnic vessels in dogs with experimentally induced normovolemic anemia. ANIMALS: 11 healthy Beagles...

..this study was to quantitatively evaluate the intersubject variability of 3D branching and curvature of the abdominal aorta and its major peripheral arteries...

Wang Y, Winchester PA, Khilnani NM, et al. Contrast-enhanced peripheral MR angiography from the abdominal aorta to the pedal arteries: Combined dynamic two-dimensional and bolus-chase three-dimensional acquisitions...

..to investigate whether GBE could attenuate the Hhcy-induced intimal thickening after balloon injury in rabbit abdominal aorta. It was observed in this study that GBE could decrease the neointima area (NA) and the ratio of the neointima ..

..with steady-state precession (true-FISP) added to gadolinium-based MR angiography (Gd-MRA) for imaging abdominal aorta and major abdominal vessels, 35 consecutive patients (age 67+/-11 years) with known or suspected abdominal ..

..It was concluded that aneurysmal degeneration of the abdominal aorta is associated with an increase in mechanical anisotropy, with preferential stiffening in the circumferential ..

Spontaneous dissection of the abdominal aorta should be considered as a vascular surgical emergency. We report here our experience with this rare pathology.

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To measure the elastic properties of the abdominal aorta in normal infants and infants who had umbilical placental insufficiency (UPI) before birth.

..to shorten breath-hold times (parallel GRE MRI) in the detection of arterial variants and stenosis of the abdominal aorta and its visceral branches...

..The aim of the present study was to investigate whether preclinical functional changes are detectable in the abdominal aorta of obese children. One hundred consecutively seen obese children and 50 healthy controls were studied...

..procedure based on a finite volume method was developed to simulate steady flow fields in a model of abdominal aorta with its peripheral branches...

..Mutation analysis of the Jagged1 gene in this fourth reported patient with coarctation of the abdominal aorta in AGS and right subclavian stenosis identified a mutation deletion (1485 Del CT)...

..We sought to determine the association of aortic atherosclerosis, detected by calcific deposits in the abdominal aorta seen on lateral lumbar radiographs, with risk for congestive heart failure (CHF)...

..of this study was to evaluate helical CT angiography in the assessment of occlusive arterial disease of abdominal aorta and the lower extremities. Sixteen patients underwent both transcatheter angiography and helical CT...

Employing the rabbit's abdominal aorta as a suitable atherosclerotic model, transient three-dimensional blood flow simulations and monocyte deposition patterns were used to evaluate the following hypotheses: (i) simulation of monocyte ..

..Recognition of aortic thrombosis is important because it is a dangerous condition; furthermore, it exposes at the patient to complications such as peripheral embolism. In addition, anticoagulation can result in resolution of thrombosis...

We report the history of a patient and his daughter, both affected with hypoplasia of the abdominal aorta and its branches, leading to early and dramatic complications...

..The incidence of prosthetic graft infection was low, even in patients with infections due to Salmonella species and with in situ graft replacement...

..MMP13 is therefore, a genetic risk factor for extent of fibrous plaque in the abdominal aorta in young black males...

The diameter of the abdominal aorta is central to the diagnosis of abdominal aortic aneurysm...

..They have additional value to each other and to classic risk factors and may reflect different processes...

..This case report illustrates an unusual disease course in WG, resembling large vessel vasculitis, and we discuss the possible mechanisms of large vessel involvement in this form of vasculitis...

..Its clinical course is chronic-relapsing, so a careful follow-up is essential. Further studies are needed to investigate the pathogenetic mechanisms and the most appropriate therapeutic options...

..Increased intima-media thickness (IMT) is considered a measure of subclinical atherosclerosis and a predictor of myocardial infarction and stroke...

..The purpose of the present study was to compare static and dynamic wall stress analysis of patient specific AAAs...

..Simulation results of steady and unsteady flow in a model of the human aortic bifurcation reconstructed from magnetic resonance angiography, are presented as a typical hemodynamic application...

..To utilize dynamic computed tomographic angiography (CTA) on pre- and postoperative endovascular aneurysm repair (EVAR) patients to characterize cardiac-induced aortic motion within the aneurysm neck, an essential EVAR sealing zone...

..23 mm with only slightly higher readings within a 1cm radius. The failure tension of the specimen strip close to the rupture site was low (11.1 N/cm) compared to its neighborhood in the ruptured aneurysm...

..which is of significant concern because of the morbidity associated with the continuing expansion of the abdominal aorta and its ultimate rupture...

..Coupling this model with our stress analysis technique may provide a more accurate means to estimate patient-specific rupture potential of AAA...

..Flow patterns obtained from transient 3-D computational fluid dynamics are influenced by different reconstruction methods and the pulsatility of the flow. Caution is required when analyzing models based on CT scans...

..To determine aortic intima-media thickness (aIMT) values in newborns with different gestational ages and to asses the effect of antenatal steroids on aIMT...

..All simulation results are in agreement with experimental data and clinical observations...

..To evaluate the early and mid-term results of hand-assisted laparoscopic surgery (HALS) for aorto-iliac reconstruction...

..The time-varying drag force on the EVG exerted by physiological blood flow is unavoidable, where for patients with severe hypertension the risk of EVG migration is very high...

..To evaluate the presence and extent of large-vessel inflammation in patients with chronic periaortitis (CP) using (18)F-fluorodeoxyglucose-positron emission tomography (FDG-PET)...

..Lateral imaging of the spine with DXA intended to detect vertebral fracture is a promising technology for the simultaneous assessment of a risk factor for cardiovascular disease incidence and death...

..thoracic aortic plaques with marked LDL cholesterol reduction, whereas it resulted in only retardation of plaque progression in abdominal aorta. Thoracic and abdominal aortic plaques may have different susceptibilities to lipid lowering.

..CONCLUSIONS: High-frequency ultrasonography demonstrated that suprarenal aortic expansion occurs rapidly after the initiation of AngII infusion into apoE(-/-) mice...

IMPLICATIONS: Laparoscopic cholecystectomy is a very common surgical procedure, and vascular injuries account for one third of major complications during this surgery. We describe an unusual presentation of an abdominal aorta injury.

..CONCLUSIONS: AAC deposits, detected by lateral lumbar radiograms, are a marker of subclinical atherosclerotic disease and an independent predictor of subsequent vascular morbidity and mortality...

Aortic aneurysms usually develop in the atherosclerosis prone infrarenal abdominal aorta. To assess the role of atherosclerosis in aortic enlargement, we studied the relation between plaque formation and aortic size in 30 pressure-fixed ..

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To evaluate abdominal adipose tissue accumulation in obese children by ultrasound measurement and compare with the elastic properties of the abdominal aorta.

..The objective of this manuscript is to review the current state-of-the-art of MRA of the abdominal aorta and lower extremity vessels...

..The following mechanisms of vasomotor functions were studied in abdominal aorta, superior mesenteric, renal, pulmonary, and carotid arterial rings: (1) endothelial-dependent vasodilation ..

..A proven clinical efficacy may promote the method as a tool to determine factual aneurysm risk of rupture and aid the surgeon to refer elective surgery patients...

..These data suggest a similarity in genetic expression for both AAA and AOD, with altered expression of several genes playing a role in disease differentiation...

..Both IR and SC AXC result in decreased fibrinolytic activity ("fibrinolytic shutdown") after release of the aortic clamp...

..cohort of older men and women, we tested the hypothesis that the progression of vascular calcification of the abdominal aorta should be greatest in those individuals with the greatest amount of bone loss...

..The purpose of this study was to assess the stiffness of the abdominal aorta using transthoracic echocardiography in normotensive obese and hypertensive obese pediatric patients and a ..

..The process could be more frequently identified if peptidoglycan, derived from both Gram-negative and Gram-positive bacteria, was measured...

..The significant association between aortic diameter and cardiovascular mortality, excluding aneurysm-related deaths, suggests that aneurysm diameter is an independent marker of cardiovascular disease risk...

..Women affected by polycystic ovary syndrome (PCOS) are known to be at higher risk of cardiovascular disease. The aim of this study was to identify the artery that first is affected by early pre-atherosclerotic changes in PCOS...

..was to provide in vivo data on the development of velocity profiles and oscillating blood velocities in the abdominal aorta under varying haemodynamic conditions. Six anaesthetized, 90-kg pigs were used in the study...

..exercise bicycle were used to measure, in vivo, the effects of exercise on hemodynamic conditions in the abdominal aorta of eleven young, healthy subjects. Heart rate increased from 73 +/- 6.2 beats/min at rest to 110 +/- 8...

..We conclude that cross talk between kinin and AngII receptors occurs in mouse abdominal aorta and that both peptides may regulate the initiation and progression of important pathophysiological processes, ..

..Future attempts to estimate wall stress and assess risk of rupture for individual AAAs may require detailed three-dimensional modeling...

..5% compared to the proposed decoupled fluid structure approach. Furthermore, the decoupled approach provides potentially useful information on the nature of the aneurysmal sac flow...

..So we think that this technique, not so expensive as endovascular repair or laparoscopic and video-assisted surgery, nevertheless retains all the proven benefits of a minimally invasive surgery...

..To evaluate the feasibility and efficacy of a specific aortomonoiliac endograft and the durability of the femorofemoral bypass for treatment of abdominal aortic aneurysm (AAA)...

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..We emphasize the need for complete embolization documented by decreased aneurysm size...

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..The published results are comparable with those for open surgery. The aim of this article is to present the method with a focus on technical details, and at the same time present our experience with this technique...

..This study reports a rare type of secondary aortoenteric fistula to the left colon, and it describes an unusual and successful surgical treatment...

..A patient presenting with a small (4.0-5.4 cm) AAA is not more likely to be a candidate for endovascular repair than a patient with a large AAA...

..All treatment methods resulted in catastrophic failure, related to recurrent PEF or septic complication. Perhaps, in the presence of PEF extra-anatomical bypass associated with aortic ligature remains an interesting surgical solution...

..woman with leg claudication due to a very rare form of atherosclerosis affecting the descending thoracic and abdominal aorta--known as coral reef aorta--without involvement of the femoro-distal vessels is reported...

..The patient underwent successful abdominal aortic replacement with uneventful postoperative course without any complications...

..To describe the off-label use of 2 Talent aortomonoiliac devices to repair a symptomatic 72-mm abdominal aortic aneurysm (AAA) 5 years after AneuRx repair in a patient who had no follow-up...

..The aim of this study was to assess the influence of the use of endograft extensions during the primary EVAR procedure on the short- and long-term outcome...

..These complications are also expected after abdominal aortic surgery, but their incidence and relevant risk factors in this population have not been documented...

..Despite newer devices, providers still must push the limits of defined anatomy based on the manufacturers recommended instructions to repair most infrarenal aneurysms...

..Imaging revealed occlusion of the distal thoracic and abdominal aorta. Acute hemodialysis and reduction in blood pressure precipitated an acute exacerbation of previously ..

..To examine late reintervention rates for aortic graft-related events and new aortoiliac disease after open abdominal aortic aneurysm (AAA) repair in an Australian population...

..Our aim is to verify the feasibility and effectiveness of endovascular treatment for symptomatic abdominal aortic aneurysms (AAAs) in urgencies and emergencies...

..Forty days after stent-grafting, Tc-99m-HMPAO labelled leukocyte scanning failed to identify leukocyte infiltration of the graft and there were no clinical signs of infection. At 8-month follow up, the patient was asymptomatic...

..The aim of this study was to evaluate mid-term results of endovascular treatment of penetrating aortic ulcers...

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..To assess the hemodynamic forces on a bifurcated abdominal aortic stent-graft under realistic conditions of flow, blood pressure, and sac pressure...

..Atherosclerosis primarily affects large and medium sized vessels with autopsy data demonstrating that the abdominal aorta offers a valuable early window for the study of atherosclerosis...

..disease (PAD) - a disease which affects 12 million Americans and is defined as atherosclerosis of the abdominal aorta and arteries of the lower extremities. Compared to non-Hispanic whites, AAs are 2.3 to 2...

..cells approximately 3 mm in length and about 2 mm in thickness will be made upon the outer wall of the abdominal aorta above the take off of the renal arteries of the rat...

..Since the infrarenal abdominal aorta is particularly prone to aneurysm formation and the thoracic aorta is resistant, we will compare the two ..

..endothelium injury develop spontaneously at early ages, most frequently in the distal segment of the abdominal aorta (lesion- prone area), without feeding the fowl excess fat or cholesterol...

..understood reasons, atherosclerosis shows a predilection for the thoracic aorta, appearing later in the abdominal aorta and common carotid arteries...

..B-mode ultrasonograms of carotid artery intima-media thickness and EBCT of the coronary arteries and abdominal aorta. B-vitamin supplementation may provide a promising approach for reducing the progression of atherosclerosis ..

..1) developing novel constitutive relations that describe complex chemo-mechanical changes experienced by the abdominal aorta during the progression of aneurysmal disease, (2) implementing these relations in a custom nonlinear finite ..

..is to assess the pre-clinical efficacy of a direct thrombolytic agent delivered locally in a rabbit model of abdominal aorta thrombosis...

..increases with aging and this aging alteration is greater in males than females, and also much greater in the abdominal aorta (AA) vs. the thoracic aorta (TA), which is only partially explained by variance in extracellular matrix (ECM)...

..In aim 3, magnetic resonance imaging (MRI), capable of noninvasively characterizing advanced lesions in mouse abdominal aorta, will be further developed to serially assess lesion changes in mice (from Projects 1 and 2) during plaque ..

..Accumulating data demonstrates that MMPs are involved in the pathogenesis of aneurysms of the abdominal aorta, intracranial vessels, and coronary arteries...

..are thought to play an important role, particularly in the differing susceptibility of the thoracic and abdominal aorta to these degenerative changes...

..We propose to expand our Pilot study to perform heart and thoracic/abdominal aorta MRI studies in 2400 FHS participants to allow for identification of individual CVD risk factors for ..

..Approach: Early and late events that accompany elastin calcification in a rat abdominal aorta periadventitial injury model will be studied...

The atherosclerotic process begins in childhood with the appearance of fatty streaks in the distal abdominal aorta and later affects the carotid and coronary arteries...