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Simmons Grant H - - 2012
The purpose of this study was to investigate the extent of endothelial cell phenotypic heterogeneity throughout the swine vasculature, with a focus on the conduit vessels of the arterial and venous circulations. We tested the hypothesis that athero-prone arteries exhibit higher expression of markers of inflammation and oxidative stress than ...
Lee Leong - - 2012
Aortic root rupture during transcatheter aortic valve implantation (TAVI) is an uncommon but almost uniformly fatal complication. We describe a novel surgical management of this complication using a combination of pledgeted sutures and prolonged direct digital compression with biomatrix and lattice adjuncts. Furthermore, our patient underwent percutaneous coronary intervention with ...
Tsuruda Toshihiro - - 2012
OBJECTIVE: The mechanisms underlying abdominal aortic aneurysm development remain unknown. We hypothesized that acceleration of glucose metabolism with the upregulation of glucose transporters is associated with abdominal aortic aneurysm development. METHODS AND RESULTS: Enhanced accumulation of the modified glucose analogue 18 fluoro-deoxyglucose by positron emission tomography imaging in the human ...
Hays Allison G - - 2012
Coronary endothelial function is abnormal in patients with established coronary artery disease and was recently shown by MRI to relate to the severity of luminal stenosis. Recent advances in MRI now allow the noninvasive assessment of both anatomic and functional (endothelial function) changes that previously required invasive studies. We tested ...
Breen Danna M - - 2012
Revascularization procedures used for treatment of atherosclerosis often result in restenosis. Resveratrol (RSV), an antioxidant with cardiovascular benefits, decreases neointimal formation after arterial injury by a mechanism that is still not fully clarified. Our main objective was to address the role of nitric oxide synthases (NOSes) and more specifically the ...
Patel Neil S - - 2012
Surgical Correction of Pulmonary Vein Stenosis. Pulmonary vein stenosis can complicate ablation procedures for atrial fibrillation and often presents with severe respiratory symptoms. Described in this case report is a 21-year-old male who underwent a bilateral surgical augmentation of the pulmonary veins for severe occlusive pulmonary vein stenosis. The occluded ...
Kobayashi Daisuke - - 2012
Repair of total anomalous pulmonary venous connection (TAPVC) involves anastomosing the pulmonary venous confluence with the left atrium and ligating the vertical vein. Sometimes, the vertical vein needs to be left open as a pop off with the idea that it will close over time. Infrequently an unligated vertical vein ...
Yin Tie-Ying - - 2012
Since the percutaneous transtuminal coronary angioplasty was introduced into China in 1984, this procedure has become widely accepted as an important step in coronary revascularization. This study shows the effect of the monoclonal antibody (mAb) on the platelet glycoprotein IIIa receptor during endothelialization and in-stent restenosis by implanting the mAb-eluting ...
Corbacioglu Aytul - - 2012
Ductus venosus connecting the portal and embryonic venous circulation into the inferior vena cava has a crucial role in fetal circulation. The absence of ductus venosus is a rare anomaly, in which the umbilical vein connection to the venous system may be extrahepatic, bypassing the liver or intrahepatic via the ...
Condorelli Rosita - - 2012
Introduction. Aim of this study was to evaluate whether the blood concentrations of a new immunophenotype of circulating late endothelial progenitor cells (EPCs) and endothelial microparticles (EMPs) varies in patients with arterial erectile dysfunction (aED) and abnormalities in other arterial districts. Materials and methods. To accomplish this, cavernous artery peak ...
Davel Ana Paula - - 2012
Clinical evidence has identified the pulmonary circulation as an important target of air pollution. It was previously demonstrated that in vitro exposure to fine particulate matter (aerodynamic diameter ≤2.5μm, PM(2.5)) induces endothelial dysfunction in isolated pulmonary arteries. We aimed to investigate the effects of in vivo exposure to urban concentrated ...
Hwang Ho Young - - 2012
OBJECTIVE: We evaluated the efficacy of minimally manipulative surgical strategies to harvest the saphenous vein for use in a Y-composite graft based on the left internal thoracic artery in terms of preservation of endothelial structure and function. METHODS: Twenty patients who underwent off-pump coronary revascularization using the saphenous vein in ...
Mukundakrishnan Karthik K Dassault Systemes Simulia Corp., Rising Sun Mills, RI, - - 2012
Recent computational investigations have shed light into the various hydrodynamic mechanisms at play during arterial gas embolism that may result in endothelial cell (EC) injury. Other recent studies have suggested that variations in hematocrit level may play an important role in determining the severity of neurological complications due to decompression ...
Magda Stefania L - - 2012
The aim of this work was to assess the reproducibility of ultrasound parameters of vascular function, since these measurements are currently recommended by the guidelines for the evaluation of the cardiovascular risk. Twenty subjects (51 ± 17 years, 11 men) had vascular ultrasound (Aloka Prosound α10) performed by two observers, at the level ...
Ge Nan - - 2012
Fresh autologous pericardium is an alternative aortic valve substitute for children; however, the data were scarce and mixing. We presented a case of a 2-year-old boy who underwent right coronary leaflet replacement with fresh autologous pericardium and ventricular septal defect correction. At 17-year follow-up, the valve was in good condition ...
Mazzoccoli G - - 2012
Flow mediated vasodilation (FMD) evaluates the endothelium-dependent vasodilation, is a reliable marker of arterial endothelial dysfunction and is related to coronary artery disease. Visceral fat predicts an unfavorable cardiovascular and metabolic risk profile in humans and echocardiographic assessment of epicardial fat (EF) is a reliable marker of visceral adiposity. We ...
Franke R P - - 2012
After intra-arterial administration of several radiographic contrast media (RCM) a disorder of the downstream microcirculation with regard to blood flow velocity in microvessels and to tissue oxygen partial pressure in the myocardium of the pig heart was described. Iodixanol did not induce such a microcirculatory disorder in the myocardium of ...
Mohamed Salah A - - 2012
Aims. Dysregulated expression of the endothelial nitric oxide synthase (eNOS) is observed in aortic aneurysms associated with bicuspid aortic valve (BAV). We determined eNOS protein levels in various areas in ascending aortic aneurysms. Methods and Results. Aneurysmal specimens were collected from 19 patients, 14 with BAV and 5 with tricuspid ...
Yigitaslan Semra - - 2012
It is believed that growth factors play an important role in vascular remodeling that is evident in pulmonary hypertension (PH) pathogenesis. In the present study, the vascular endothelial growth factor (VEGF) levels in serum and pulmonary artery samples of rats have been analyzed with monocrotaline (MCT)-induced PH after treatments with ...
Al-Hashmi Sulaiman - - 2012
Stem cell transplantation (SCT) is a curative treatment for malignant and non malignant diseases. However, transplantation-related complications including cardiovascular disease deteriorate the clinical outcome and quality of life. We have investigated the acute effects of conditioning regimen on the pharmacology, physiology and structure of large elastic arteries and small resistance-sized ...
Ventetuolo Corey E - - 2012
Pulmonary hypertension (PH) is associated with a poor prognosis in idiopathic pulmonary fibrosis (IPF). Endothelin-1 (ET-1) and vascular endothelial growth factor (VEGF) are important in both fibrosis and vascular remodeling. We sought to determine the relationship between ET-1 and VEGF levels and hemodynamics in patients with IPF. We hypothesized that ...
Delaney Cassidy C Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado, - - 2012
In utero, pulmonary blood flow is closely circumscribed and oxygenation and ventilation occur via the placental circulation. Within the first few breaths of air-breathing life, the perinatal pulmonary circulation undergoes a dramatic transition as pulmonary blood flow increases 10-fold and the pulmonary arterial blood pressure decreases by 50% within 24 ...
Ahmetoglu A A Department of Anatomy, University of West Indies, Trinidad. - - 2012
We present a rare complex variation of the inferior vena cava and internal iliac veins demonstrated by a multidetector computed tomography. It was shown that patient had double inferior vena cava with azygos continuation of the right inferior vena cava, retroaortic left renal vein and the left and right internal ...
Sakan Sanja - - 2011
A 68-year-old Caucasian woman was admitted to the Department for construction of vascular access for dialysis after thrombosis of arteriovenous fistula. Temporary dialysis catheter was inserted in the left internal jugular vein while she had permanent pacemaker implanted on the right thoracic side. The patient signalized pain in the left ...
Shinozaki Norihiko - - 2011
A 78-year-old male presented with exertional chest pain and renal dysfunction. Diagnostic coronary angiogram revealed severe subtotal occlusion in intermediate left anterior descending artery. We conducted percutaneous coronary intervention (PCI) and selective angiography with a thrombus aspiration catheter from the proximal part of the lesion using a contrast volume of ...
Suzuki Sachio - - 2011
Before treatment for large and giant aneurysms, we need some of the predictors to prognose a good result. In this retrospective study, we attempted to determine criteria such as angiographic signs to identify good candidates for effective endovascular surgery. This study involved 45 patients with large or giant aneurysms treated ...
Séguéla Pierre-Emmanuel - - 2011
Congenital malformations of the mitral valve may be encountered in isolation or in association with other congenital heart defects. Each level of the mitral valve complex may be affected, according to the embryological development, explaining the fact that these lesions are sometimes associated with each other. As a perfect preoperative ...
Buljan Krunoslav - - 2011
It presents a case of a 39-year old woman with acute symptomatic occlusion of basilar artery proximal segment, which was manifested by severe neurological symptomatology and deficits. The patient was treated conventionally (anticoagulant, then antiplatelet agent therapy) with excellent short-term and long-term outcome. In spite of serious acute neurological symptomatology ...
Kannan Bhava Rj - - 2011
A 13 year old girl underwent endovascular stent placement for coarctation of aorta. The fully expanded stent migrated to ascending aorta which could be stabilized, re-crimped and repositioned with a 20mm goose neck snare. Post dilatation was performed from the left brachial route resulting in a good outcome. © 2011 ...
Arai Takahide - - 2011
A conus artery is sometimes a good collateral source for the left anterior descending coronary artery and the right coronary artery (RCA). In some cases, the conus artery arises independently of the RCA from a separate orifice, which is called an isolated conus artery. The conus artery is often missed ...
Athauda-Arachchi Pandula - - 2011
Severe inoperable aortic stenosis is a challenge for clinicians. Management of symptoms with traditional antianginal agents, which exert hemodynamic changes often may not be possible in such patient groups. We report the first known case of the safe use of Ranolazine with good symptomatic relief of angina in an 88-year-old ...
De Rosa P - - 2011
Repair of anatomic anomalies in a donor kidney's vascular structures requires prompt recognition of the aberrant condition and an appropriate repair technique that does not compromise transplant success. Our report describes a case of a saccular aneurysm of the donor kidney, renal artery, which was identified during harvesting and repaired ...
Di Domenico Stefano - - 2011
Variation of splanchnic arterial anatomy is frequent and may complicate pancreatic surgery, leading to life-threatening postoperative complications. We report a case of severe hepatic dysfunction after pancreaticoduodenectomy due to accidental section of the right hepatic artery. Bedside ultrasound examination showed a reversed arterial flow in the paramedian segments of the ...
Reitsma Sietze - - 2011
Background: The endothelial glycocalyx (EG) is the carbohydrate-rich luminal lining of endothelial cells that mediates permeability and blood cell-vessel wall interactions. To establish an atheroprotective role of the EG, adequate imaging and quantification of its properties in intact, viable, atherogenesis-prone arteries is needed. Methods: Carotid arteries of C57Bl6/J mice (n ...
Vayalambrone Deepak - - 2011
Inflammatory bowel disease (IBD) can present with extraintestinal manifestations occasionally involving the eye. Retinal vein occlusions are rarely seen and have never been reported in the pediatric population though vascular thrombosis can be associated with IBD. Here, we present a case of what we believe is the youngest reported patient ...
Schrope Donald P - - 2010
A 10-year-old cat presented with a history of unexplained ascites. Ultrasound and angiography identified an isolated stenosis of the middle hepatic vein resulting in Budd-Chiari Syndrome. Balloon dilation of the stenosis was attempted but the patient expired. Necropsy revealed a discrete membranous stenosis at the junction of the caudal vena ...
Gruttadauria S - - 2010
An anomaly of the left hepatic vein was discovered in a deceased donor for whole liver transplantation. This vein was attached by a thin bridge of tissue to the suprahepatic inferior vena cava cuff, which received the right and middle hepatic vein in a common trunk. The left hepatic vein ...
Choi Sun Young - - 2010
We assessed the outcomes of a simplified technique for the percutaneous placement of a hepatic artery port-catheter system for chemotherapy infusion in advanced hepatocellular carcinoma with portal vein invasion. From February 2003 to February 2008, percutaneous hepatic artery port-catheter insertion was performed in 122 patients who had hepatocellular carcinoma with ...
Ishikawa Toru T Department of Gastroenterology and Hepatology, Saiseikai Niigata Second Hospital, Niigata 950-1104, Japan. - - 2010
To conduct a single-stage, combined computed tomography (CT) arterial portography (CTAP) and CT arteriography (CTA) imaging operation, we used Y-shaped sheaths with 2 valves, which allowed the insertion of 2 catheters simultaneously. Of 1254 patients who underwent abdominal angiography for transarterial embolization and/or intraarterial chemotherapy in our department from May ...
Miyayama Shiro - - 2010
There are usually multiple caudate arteries arising from the right, left, and middle hepatic arteries, and they are frequently connected to each other. Therefore, hepatocellular carcinoma (HCC) in the caudate lobe is frequently fed by multiple branches arising from different origins. HCC located in the Spiegel lobe is usually fed ...
Ibn Majdoub Hassani K - - 2010
Hepatico-portal fistula (HPF) is a rare condition, most often of post-traumatic or iatrogenic origin and occasionally secondary to a ruptured aneurysm of the hepatic artery into the portal vein. HPF in extrahepatic locations often results in portal hypertension (PHT). While Doppler ultrasound, CT angiography, and magnetic resonance angiography are usually ...
Nakanishi Ryota - - 2010
Hepatic artery injury is one complication associated with surgery for gastric cancer. This complication does not occur frequently, but it can cause serious problems. Anatomical variations of the hepatic arteries are thought to be a factor in such injuries. Recognizing vascular variations before the operation is thus very important. This ...
Uchiyama Hideaki - - 2010
Graft hepatic arteries (HAs) are usually reconstructed with a recipient HA branch (anatomical HA reconstruction) in living donor liver transplantation (LDLT). Surgeons often encounter difficulties in reconstructing HAs, particularly when a recipient artery other than an HA branch must be used; this is known as extra-anatomical HA reconstruction. The outcomes ...
McGaw Iain J - - 2010
The cardiovascular system of majid crabs was mapped using corrosion casting techniques. The general form of the circulatory system was comparable to that of other malacostracan crustaceans, but with distinct differences between several arterial systems. The anterior aorta exited from the anterior surface of the heart supplying hemolymph to the ...
Xia Feng - - 2010
The present study was designed to investigate the efficacy and safety of continuous occlusion of the hepatic artery proper combined with intermittent use of the Pringle maneuver for reduction of blood loss during enucleation of giant liver hemangiomas. A retrospective study was performed on 115 patients who underwent enucleation of ...
Lu L - - 2010
Although living donor liver transplantation (LDLT) is now an established therapeutic modality for end-stage liver disease, technical dilemmas exist. The pretransplant imaging findings may not clearly define the surgical anatomy of the hepatic artery (HA), especially its diameter. A tiny artery (<2 mm) has always been found during the hilar ...
Yamagami T - - 2011
This study evaluated the feasibility and safety of the transjugular intrahepatic portosystemic shunt (TIPS) procedure using the hepatic artery-targeting guidewire technique for the puncture step. We retrospectively reviewed 11 consecutive patients (5 men and 6 women, aged 46-76 years (mean 64 years)) with portal hypertension in whom the TIPS procedure ...
Karunanithy Narayan - - 2011
In the presence of variant hepatic arterial anatomy, obtaining whole-liver coverage with yttrium 90 (Y90) radioembolization may be challenging. The purpose of this study was to determine whether a technique whereby variant hepatic arterial branches are embolized and then Y90 is administered selectively into one remaining hepatic arterial branch results ...
Abdelmaksoud Mohamed H K - - 2010
Development of new hepaticoenteric anastomotic vessels may occur after endovascular skeletonization of the hepatic artery. Left untreated, they can serve as pathways for nontarget radioembolization. The authors reviewed the incidence, anatomy, management, and significance of collateral vessel formation in patients undergoing radioembolization. One hundred thirty-eight treatments performed on 122 patients ...
Gaba Ron C - - 2011
Hepatic lobar atrophy-hypertrophy complex formation is an uncommonly reported sequella of hepatic arterial embolotherapy procedures. Whereas radiation-induced hepatic lobar ablation has been described after intra-arterial therapy with yttrium-90 microspheres, this phenomenon has not been reported after transcatheter arterial chemoembolization. Here, we report a case of prominent hepatic lobar atrophy with ...
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