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Benninger Brion - - 2011
PURPOSE: The objectives of the present study were to 1) identify a reliable measuring technique for a palatal graft, 2) observe the patterns of the neurovascular bundle, and 3) identify the morphology of the hard palate. Subepithelial connective tissue grafts are performed at an increasing rate to improve esthetics and ...
Gendel Vyacheslav V Vyacheslav Gendel, Ihab Haddadin, John L Nosher, Department of Radiology, UMDNJ, Robert Wood Johnson University Hospital, New Brunswick, NJ 08901, United - - 2011
Varicoceles are often treated with percutaneous embolization, using fibered coils and sclerosing agents, with the latter targeted at occlusion of pre-existing collateral veins. While various methods of surgical and embolization treatment are available, varicoceles may still recur from venous collateralization. We present a case, where following demonstration of complete occlusion ...
Macdonald Sumaira - - 2011
The carotid stenting trialists have demonstrated persistence and determination in comparing an evolving technique, carotid artery stenting (CAS), against a mature and exacting standard for carotid revascularisation, carotid endarterectomy (CEA). This review focuses on their endeavours. A total of 12 1-on-1 randomised trials comparing CAS and CEA have been reported; ...
Mortimer A M - - 2011
Basilar artery occlusion is an infrequent form of acute stroke; clinical outcomes are heterogeneous, but the condition can be fatal. There is a lack of randomized controlled trial data in this field. Case series suggest that patients who are recanalized have much better outcomes than those who are not, and ...
Gabriel Ruvin S - - 2011
Transthoracic echocardiography is the current standard for assessing aortic regurgitation (AR). AR severity can also be evaluated by flow measurement in the ascending aorta using cardiac magnetic resonance (CMR); however, the optimal site for flow measurement and the regurgitant fraction (RF) severity grading criteria that best compares with the transthoracic ...
Adebiyi Adebowale - - 2011
Physiological functions of arterial smooth muscle cell ATP-sensitive K(+) (K(ATP)) channels, which are composed of inwardly rectifying K(+) channel 6.1 and sulfonylurea receptor (SUR)-2 subunits, during metabolic inhibition are unresolved. In the present study, we used a genetic model to investigate the physiological functions of SUR2-containing K(ATP) channels in mediating ...
Prichard Heather L - - 2011
Intimal hyperplasia is one of the prominent failure mechanisms for arteriovenous fistulas and arteriovenous access grafts. Human tissue-engineered vascular grafts (TEVGs) were implanted as arteriovenous grafts in a novel baboon model. Ultrasound was used to monitor flow rates and vascular diameters throughout the study. Intimal hyperplasia in the outflow vein ...
Saccà Salvatore - - 2011
Coronary artery aneurysm is an uncommon disease, whose natural history and therapeutic approach are still controversial: medical therapy, surgical revascularization with or without aneurysm ligation or excision, and endovascular exclusion with membrane covered stents are all accepted and viable options, according to anatomic characteristics. Intracranial aneurysms are adequately treated by ...
Thalhammer C - - 2011
Musical murmurs (MMs) are Doppler phenomena which sound like high-frequency musical sounds. They reflect high and turbulent flow within relevant stenoses and were first described in degenerated bioprosthetic valves and later in intracranial vessels and were associated either with high-grade arterial stenosis, small collateral arteries or carotid cavernous fistulas. Objective ...
Seshadhri Santhosh - - 2011
Cerebral aneurysms constitute a major medical challenge as treatment options are limited and often associated with high risks. Statistically, up to 3% of patients with a brain aneurysm may suffer from bleeding for each year of life. Eight percent of all strokes are caused by ruptured aneurysms. In order to ...
Minami Hiroya - - 2011
This report documents the sudden onset of aortic regurgitation (AR) by an exceptional cause. A 68-year-old woman suddenly experienced general fatigue, and AR was diagnosed. One year later, we performed aortic valve replacement. At surgery, three aortic cusps with a larger noncoronary cusp had prolapsed along with a free-floating fibrous ...
Kim Jung Tae - - 2011
The diameter of veins in the superficial forearm has been shown to correlate with risk for nonmaturation of newly created arteriovenous fistulas (AVFs). However, reported cut-off diameters are inconsistent. The purpose of our study was to assess the optimal diameter and distensibility of the radiocephalic vein at the wrist using ...
Chattopadhyay Sudipta - - 2011
We describe a 3-case series of patients with a rare combination of mild-to-moderate aortic regurgitation and coronary microfistulae but nonobstructed epicardial coronary arteries who presented with symptoms of unstable angina and had confirmed myonecrosis. A plausible pathophysiological mechanism for this phenomenon and its clinical implication are discussed.
Wiesli Peter - - 2011
OBJECTIVES:: The objective was to test whether chromogranin A (CgA), neuron-specific enolase (NSE), and pancreatic polypeptide (PP) are released from the pancreas during the selective arterial calcium stimulation and hepatic venous sampling test (ASVS) in patients with insulinomas. METHODS:: We determined CgA, NSE, PP, insulin, C-peptide, and proinsulin in blood ...
de Baere Thierry - - 2011
Intra-arterial therapies directed to the liver take advantage that liver tumors are fed by the hepatic artery while the liver vascularization is 30% arterial. Most common techniques of intra-arterial therapies for colorectal cancer liver metastases (CRLM) include intra-arterial hepatic chemotherapy (IAHC), transarterial chemoembolization (TACE), and radioembolization. Such treatments are used ...
Belli Anna-Maria - - 2011
Abdominal visceral artery aneurysms (VAA) include true and false aneurysms. The majority are asymptomatic and are discovered on cross-sectional imaging performed for unrelated clinical indications. With the maturation of techniques and devices used for embolization procedures and the treatment of aneurysms in other locations, most VAAs are now suitable for ...
Shoja Mohammadali M - - 2011
Although variations in the peripapillary division pattern of the central retinal artery (CRA) are common, variations in the origin of this artery are seldom reported in the literature. Herein, the authors report a variant of the CRA that originated from the temporal short posterior ciliary artery. Two intraorbital anastomoses were ...
Zou Junjie - - 2011
Venous aneurysms (VAs) of the iliac axis are uncommon abnormalities of the vascular system that present as potentially life-threatening events. These aneurysms are occasionally associated with embolism or rupture; therefore, a focused imaging evaluation and prophylactic treatment are important. In this article, we report a thrombosed external iliac venous aneurysm ...
Gonzalez Alberto - - 2011
In-stent restenosis (ISR) after carotid angioplasty and stenting is becoming evident as more patients undergo carotid stenting and duplex scan surveillance. While redo endovascular therapy has been immediately successful, recurrent stenosis remains a problem. The ideal management of ISR has not been determined. Three cases of symptomatic ISR that were ...
Perrotta Ida - - 2011
The term aneurysm is used to indicate a permanent and irreversible localized vascular dilatation that involves all three layers of the blood vessel wall. It may develop in any part of the circulatory system, including veins, and its history, presentation, and management differ depending on the location. A venous aneurysm ...
Butler Stacy M - - 2011
The present study explores the hypothesis that arterial smooth muscle cells are organized into layers with similar phenotypic characteristics that vary with the relative position between the lumen and the adventitia due to transmural gradients in vasotrophic factors. A corollary hypothesis is that vascular endothelial growth factor (VEGF) is a ...
Tseng Guo-Shiang - - 2011
PRectus sheath hematoma is an uncommon but well-described complication of a tussive paroxysm. It is an accumulation of blood within the sheath of the rectus abdominis secondary to disruption of the epigastric vessels or the rectus muscle and is often misdiagnosed as acute abdomen. Increases in the number of elderly ...
Ajithdoss Dharani K - - 2011
A fibrous band connecting the middle of the free edge (nodulus Arantii) of the non-coronary aortic valve cusp to the ascending aorta just above the level of the non-coronary sinus of Valsalva was observed in an asymptomatic, 11-year-old, male Border Collie. The fibrous band was unrelated to the cause of ...
Ginat Daniel T - - 2011
Carotid and vertebral artery spectral Doppler ultrasound waveforms can be affected by many types of local lesions, proximal cardiovascular disease, and devices, as well as distal cerebrovascular disease. Recognizing abnormal spectral Doppler ultrasound waveforms and their significance is important for proper management. Examples of normal and abnormal carotid and vertebral ...
Silva Joana - - 2011
Very late stent thrombosis is a rare but devastating complication. Several factors are known to contribute to its occurrence, and are related to the patient, procedure, lesion and premature discontinuation of antiplatelet therapy. This report describes the case of a 49-year-old patient with simultaneous two-vessel stent thrombosis (left anterior descending ...
Arnaout Omar M - - 2011
Malignant middle cerebral artery stroke carries a very poor prognosis. Significant retrospective data support the hypothesis that decompressive hemicraniectomy decreases mortality rates due to this disease entity. Recently, 3 randomized controlled studies have been published and shed light on these issues and enhance the quality of evidence revolving around this ...
Gericke Adrian - - 2011
To identify the α(1)-adrenoceptor (α(1)-AR) subtypes mediating vascular adrenergic responses in murine ophthalmic arteries. Expression of mRNA was quantified for individual α(1)-AR subtypes in murine ophthalmic arteries using real-time PCR. To assess the functional relevance of α(1)-ARs for mediating vascular responses, ophthalmic arteries from mice deficient in one of the ...
Shimoni Sara - - 2011
OBJECTIVE: Hemodynamic forces are potential determinants of aortic atherosclerosis. Aortic regurgitation (AR) alters the flow pattern in the aorta. However, the association between AR and aortic atherosclerosis is not well known. METHODS: We assessed the presence, extent and distribution of atherosclerotic lesions in the aorta of 42 patients with chronic ...
Troupis T - - 2011
Variations of the arterial pattern in the upper limb are quite common in humans. In the present study, we describe two cases of high bifurcation of the brachial artery. In the first cadaver both branches run superficially along the arm and were also located superficially at the antecubita fossa. In ...
Manousi Maria - - 2011
A shotgun pellet is depicted in the present image in a carotid artery under the intima, which remained intact without local complications for up to six months. There is lack of data regarding the natural history of such a carotid pellet, but the experience from the myocardium is that, in ...
Tamulevičiūtė E - - 2011
Cardiac myxomas are benign tumors that may lead to neurological manifestations including ischemic stroke, aneurysms or metastases. We describe a patient with multiple intracranial aneurysms who presented with TIA-like symptoms following resection of an atrial myxoma, and review the clinical and imaging features of myxomatous aneurysms as reported in the ...
Joviliano Edwaldo Edner - - 2011
In this article, we review the current status of inflammation linked to percutaneous transluminal angioplasty with stent implantation, especially as it relates to restenosis and its clinical implications. Common to multiple vascular diseases, including atherosclerosis, interventional restenosis is a localized inflammatory reaction. Activated smooth muscle cells respond to local inflammation ...
Brewster Luke P - - 2011
Descending thoracic aneurysms are less common and less likely to rupture than abdominal aortic aneurysms. However, when left untreated they are lethal, and repairs are recommended only if the size of the aneurysm is 6 cm, or smaller if symptomatic. Open thoracic aneurysm repair was the standard therapy the last ...
Wang Kai - - 2011
We present several vascular variations of the aortic arch vessels observed in a 35-year-old man during magnetic resonance angiography (MRA). The arterial branches of the aortic arch are from right to left: a bicarotid trunk, a left vertebral artery, a left subclavian artery, and a right retroesophageal subclavian artery. The ...
Paprottka P M - - 2011
As the incidence of primary and metastatic liver cancer continues to increase, the use of minimally invasive techniques as a treatment option is becoming more common. Radioembolization, a form of intra-arterial brachytherapy, is a technique where particles of glass or resin, impregnated with the isotope (90)yttrium ((90)Y), are infused through ...
Spontoni Paolo - - 2011
Visceral artery aneurysms (VAAs) represent approximately 1-2% of all vascular aneurysms. Improvements in imaging technology have led to increased aneurysm detection in asymptomatic patients. A timely proper diagnosis and management of VAAs is essential to avoid the risk of acute rupture and associated mortality. We present a case of an ...
Plank Christina M - - 2011
The aim of this study was to assess whether visualisation of in-stent changes can be improved with high-resolution, steady-state, blood pool contrast-enhanced MR angiography compared with first-pass MR angiography. Intra-arterial digital subtraction angiography (DSA) served as the reference standard. Twenty patients after stent placement in the superficial femoral artery (SFA) ...
Auger Cyril - - 2011
Numerous studies have indicated that several polyphenol-rich sources such as red wine and green tea are potent inducers of endothelium-dependent relaxations in isolated arteries. As various fruits and berries are known to contain high levels of polyphenols, the aim of the present study was to assess the ability of selected ...
Ghosh Shamik - - 2011
Notch3 signaling is fundamental for arterial specification of systemic vascular smooth muscle cells (VSMCs). However, the developmental role and signaling properties of the Notch3 receptor in the mouse pulmonary artery remain unknown. Here, we demonstrate that Notch3 is expressed selectively in pulmonary artery VSMCs, is activated from late fetal to ...
Vucaj-Cirilović Viktorija - - 2011
Cerebrovascular diseases are the third leading cause of mortality in the world, following malignant and cardiovascular diseases. Therefore, their timely and precise diagnostics is of great importance. The aim of this study was to compare duplex scan Color Doppler ultrasonography (CDU) with multislice computed tomography angiography (MSCTA) in detection of ...
Ali Rosli Mohd - - 2011
Aims: Coronary lesions in diabetics (DM) are associated with a high recurrence following percutaneous coronary intervention (PCI), even after drug-eluting stent (DES) deployment. Encouraging clinical data of the drug-eluting balloon catheter (DEB) SeQuent Please warrant its investigation in these patients. Methods and results: Eighty-four diabetic patients (60.8±9.1years, 76.2% male) were ...
Alonso-Gamarra Eduardo - - 2011
Congenital extrahepatic portosystemic shunt (CEPS) is a rare condition in which the portomesenteric blood drains into a systemic vein, bypassing the liver through a complete or partial shunt. Most often, the diagnosis is made primarily with Doppler ultrasonography. Computed tomographic angiography and magnetic resonance angiography are used for further classification ...
Schoen Jessica C - - 2011
The presentation of vertebrobasilar artery occlusion varies with the cause of occlusion and location of ischemia. This often results in delay in diagnosis. Areas of the brain supplied by the posterior circulation are difficult to visualize and usually require angiography or magnetic resonance imaging. Intravenous thrombolysis and local-intra arterial thrombolysis ...
Nazeri A A Department of Radiology, CHU Brugmann, Brussels, - - 2011
Radial artery pseudoaneurysms occurring as a late complication of percutaneous radial artery cannulation are rare, while those which are infected are exceptional. Known risk factors are age-related with patients being in their seventies and onwards, the duration of the radial artery catheter and staphylococcal catheter-related infections. We report the case ...
Wisman P P - - 2011
Background: The benefit of carotid endarterectomy (CEA) in patients with a significant (>70%) (a)symptomatic stenosis has been proven thoroughly in major trials. It is unknown whether, after cross-clamping the carotid artery, the time interval between determination that a shunt is needed and the actual functioning of the shunt, defined as ...
Xavier Andrew R - - 2011
Objective Multiple intracranial aneurysms are common. While sequential clipping of multiple aneurysms during a single open surgical procedure has been reported, the same is not true for endovascular coiling. We present our experience describing the safe coiling of multiple aneurysms in the same setting. Methods Retrospective review of our coiling ...
Crestani Bruno - - 2011
This review focuses on the roles of NADPH oxidase/NOX proteins in idiopathic pulmonary fibrosis (IPF) pathophysiology and in the signalling pathways involved in IPF. NOX proteins are membrane-associated multi-unit enzymes that catalyze the reduction of oxygen using NADPH as an electron donor. Recent studies indicate that NOX4 is induced in ...
Amarteifio Erick - - 2011
OBJECTIVE:: This feasibility study was performed to assess whether dynamic contrast-enhanced ultrasound (CEUS) and transient arterial occlusion are able to detect alterations in the microvascular perfusion and arterial perfusion reserve in patients suffering from peripheral arterial disease (PAD) in comparison with healthy volunteers. MATERIALS AND METHODS:: Twenty patients with PAD, ...
Drews T - - 2011
OBJECTIVE: Transapical aortic valve implantation (TAVI) is a new method that might reduce the surgical risk of conventional surgical aortic valve replacement in very high-risk patients. Increased downstream microembolization is expected in transapical aortic valve implantation. However, whether it usually occurs, how often, and its clinical relevance are not known. ...
Araki Ryo - - 2011
A 70-year-old woman was admitted to our hospital for a continuous heart murmur in the fourth intercostal space at the right sternal border. Routine echocardiography demonstrated aneurismal dilatation at the origin of right coronary artery. These findings suggested a coronary artery fistula, although its drainage site could not be identified. ...
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