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Sode Birgitte F - - 2010
RATIONALE: Idiopathic interstitial pneumonia is characterized by pulmonary fibrosis and high mortality. OBJECTIVES: We examined the association between ever-diagnosed venous thromboembolism and risk of incident idiopathic interstitial pneumonia. Venous thromboembolism was taken as a proxy for a procoagulant state in an individual. METHODS: We conducted a study of the entire ...
Key Nigel S NS Harold R. Roberts Distinguished Professor, Division of Hematology/Oncology, Department of Medicine, 932 Mary Ellen Jones Bldg, CB #7035, Chapel Hill, NC 27599, USA. - - 2010
Venous thromboembolism, comprising deep vein thrombosis and pulmonary embolism, is a common disorder with at least 250 000 new events occurring each year in the United States alone. Treatment of venous thromboembolism includes anticoagulation, which is achieved initially with the use of a parenterally administered agent followed by a more ...
Hussey A J - - 2010
Replantation of an avulsed ear was completely successful with only arterial repair (to the superficial temporal artery) and the use of medicinal leeches.
Sharma Jayendra - - 2010
A newborn with antenatal diagnosis of fetal hydrops at 36 wk of gestation, presented with congestive heart failure (CHF) and generalized edema. Computed tomographic angiography showed marked dilatation of cerebral duro-venous system including vein of Galen (VOG), straight sinus, torcula and transverse sinus without evidence of arteriovenous fistulae at the ...
Maempel Julian Fz - - 2010
Venous thromboembolism is a very common pathological process for which there are many well known (and less well-known) predisposing factors. Likewise, olanzapine is a commonly used anti-psychotic medication.We present the case of a young Somali gentleman who developed venous thromboembolic disease after an overdose of olanzapine. The diagnosis was only ...
Lim Chung S - - 2010
INTRODUCTION: This paper aims to summarize the scientific rationale and future perspectives in the development of effective matrix metalloproteinase (MMP) modulators in the management of patients with arterial and venous disease. METHODS: Pubmed, Embase and Cinahl databases were searched using the search terms 'MMP', 'matrix metalloproteinase', 'arterial disease', 'venous disease', ...
Enajat Morteza - - 2010
BACKGROUND: Venous complications have been reported as the more frequently encountered vascular complications seen in the transfer of deep inferior epigastric artery (DIEA) perforator (DIEP) flaps, with a variety of techniques described for augmenting the venous drainage of these flaps to minimize venous congestion. The benefits of such techniques have ...
Courtney D Mark - - 2010
Prediction rules for pulmonary embolism use variables explicitly shown to estimate the probability of pulmonary embolism. However, clinicians often use variables that have not been similarly validated, yet are implicitly believed to modify probability of pulmonary embolism. The objective of this study is to measure the predictive value of 13 ...
Rozin Alexander P - - 2010
An idea of arteriovenous shunts (AVS) was proposed for explanation of dynamic regulation of oxygenation and venous hyperoxia. A formula enabling calculation of AVS and real CO2 production has recently been derived by comparing data of arterial and venous blood gases. Regarding venous hyperoxia, there is a need to differentiate ...
Lim S M SM Lahey Clinic Medical Center; Burlington, MA, USA - - - 2009
Spinal dural arteriovenous fistulas (AVFs) are rare vascular malformations in the spinal dura, fed by dural branches of the radicular arteries, and drain primarily into intradural venous plexuses. They may cause elevated medullary venous pressure and produce a progressive myelopathy. We describe a case of AVF in the epidural space ...
Yeh Poh-Shiow - - 2010
Venous hypertension in lateral sinuses resulting from dural arteriovenous fistula (DAVF) and venous sinus thrombosis (VST) can manifest with severe neurological deficits, such as infarction or intracerebral hemorrhage. It has been proved that venous hypertension plays a significant role in the evolution and progression of DAVF and VST. The definite ...
Gresele Paolo - - 2010
The association between venous thromboembolism and arterial thrombosis has emerged as consistent clinical observation in the last few years. While several experimental, epidemiological and pharmacologic studies support this association, the initial pathophysiological mechanism linking these two clinical conditions remains to be established. This review discusses the pathophysiological bases and a ...
Raoufy Mohammad Reza - - 2011
Arterial blood gas (ABG) has an important role in the clinical assessment of patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPD). Because of ABG complications, an alternative method is beneficial. We have trained and tested five artificial neural networks (ANNs) with venous blood gas (VBG) values (pH, PCO(2), ...
Wen Chaoyang - - 2009
OBJECTIVE: To discuss the characteristics of saccular neck venous aneurysm on color duplex sonography. METHODS: We retrospectively reviewed 12 cases of saccular neck venous aneurysm confirmed by either venogram or surgical pathology. Clinical information, physical exam of the neck, and characteristics of saccular neck venous aneurysm on color Doppler sonography ...
Shankar Jai Jai Shiva - - 2009
BACKGROUND: Cortical dysplasias are rarely associated with vascular anomalies. They are usually associated with venous anomalies or in few cases with both arterial and venous anomalies. METHODS: Twenty-six year old female presented with history of headache showed cortical dysplasia associated with pure arterial dysplasia in the absence of any associated ...
Herbert Shane P SP Department of Biochemistry and Biophysics, Programs in Developmental Biology, Genetics and Human Genetics, Cardiovascular Research Institute, University of California, San Francisco, CA 94158, - - 2009
Blood vessels form de novo (vasculogenesis) or upon sprouting of capillaries from preexisting vessels (angiogenesis). With high-resolution imaging of zebrafish vascular development, we uncovered a third mode of blood vessel formation whereby the first embryonic artery and vein, two unconnected blood vessels, arise from a common precursor vessel. The first ...
Tain Rong-Wen - - 2009
To assess the influence of arterial and venous vascular compliances in the neck region on the measurement of the change in intracranial volume during the cardiac cycle. Arterial and venous blood flows were imaged by MRI phase contrast at two different locations, one close to the skull base (upper) and ...
Hudacko Andrea - - 2009
Miniaturizing cardiopulmonary bypass (CPB) circuits to reduce hemodilution and allogenic blood product administration is common in cardiac surgery. One major concern associated with smaller CPB circuits is a possible increase in gaseous microemboli (GME) sent to the cerebral vasculature, which is exacerbated by vacuum-assisted venous drainage (VAVD). The use of ...
Lee Timmy T Department of Internal Medicine and Division of Nephrology and Hypertension, University of Cincinnati, Cincinnati, OH 45267-0585, USA. - - 2009
Hemodialysis vascular access dysfunction is a major cause of morbidity and mortality in hemodialysis patients. The most common cause of this vascular access dysfunction is venous stenosis as a result of venous neointimal hyperplasia within the perianastomotic region (arteriovenous fistula) or at the graft-vein anastomosis (polytetrafluoroethylene, or PTFE, grafts). There ...
Rozen Warren M WM Department of Anatomy and Cell Biology, University of Melbourne, Grattan Street, Parkville, 3050 Victoria, Australia. - - 2009
Despite improving outcomes, venous problems in the harvest of deep inferior epigastric artery perforator (DIEP) flaps remain the more common vascular complications. However, it is apparent that the venous anatomy of the anterior abdominal wall has not been described to the same extent as the arterial anatomy. Previous anatomical studies ...
Naito Yuji - - 2010
The extracardiac conduit procedure is widely used for patients with heterotaxy syndrome with complex systemic and pulmonary venous anomalies; however, it lacks conduit-growth potential and requires long-term anticoagulation. We present the intracardiac Fontan procedure, which eliminates the above-mentioned disadvantages. Twenty-four patients (mean age, 4.1 years; weight, 13.0 kg) with heterotaxy ...
Dobesh Paul P - - 2009
Venous thromboembolism, a condition that includes deep vein thrombosis and pulmonary embolism, is a significant medical problem that affects more than 1 million patients each year. In addition to the immense impact of venous thromboembolism on morbidity and mortality, the economic burden of the disease is considerable, costing the health ...
Zamboni Paolo - - 2009
A new nosologic vascular pattern that is defined by chronic cerebrospinal venous insufficiency (CCSVI) has been strongly associated with multiple sclerosis. The picture is characterized by significant obstacles of the main extracranial cerebrospinal veins, the jugular and the azygous system, and by the opening of substitute circles. The significance of ...
Asciutto G - - 2009
We describe the case of a 71 year-old male patient undergoing haemodialysis who presented with severe symptoms of venous hypertension at the left upper extremity due to subclavian and innominate vein obstruction. The patient had a well functioning ispilateral angioaccess. The pain and disabling swelling of the upper extremity developed ...
Amodeo Antonio - - 2009
OBJECTIVES: Two innovative surgical approaches addressing systemic venous anomalies in single-ventricle patients are evaluated. METHODS: Between 2003 and 2007, 7 patients underwent a unifocal bilateral bidirectional cavopulmonary anastomosis, and 5 patients underwent a hepatoazygos venous connection associated with a previous (n = 4) or concomitant (n = 1) Kawashima operation. ...
Wongyingsinn Mingkwan - - 2009
BACKGROUND: Because extreme venous potassium abnormality can be life threatening, rapid measurement of potassium level is essential. Traditional biochemical analysis for venous potassium takes time and delays management in seriously ill patients. Analysis form arterial blood gas (ABG) may be an alternative method that is faster. OBJECTIVE: To determine agreement ...
Ko Sang-Bae - - 2009
We report a patient with carotid cavernous fistula (CCF) presenting with cervical myelopathy. The patient initially presented with ocular pain accompanied by binocular diplopia and was diagnosed with Tolosa-Hunt syndrome at another institution. This patient experienced long-standing venous hypertension due to the delay in diagnosis. Posterior venous drainage from the ...
Franchini Massimo - - 2009
Selective inhibitors of specific coagulation factors represent a new class of antithrombotic agents, designed to overcome the limitations of traditional anticoagulants. Available clinical studies indicate that the most promising new anticoagulants are those selectively targeting factor Xa and thrombin. Typically, the standard steps for clinical evaluation of new anticoagulants are ...
Gaweesh Ahmed S - - 2009
Venous valve incompetence role as the primary pathology occurring in patients with chronic venous diseases (CVD) has long been exaggerated. Management strategies based on the current pathophysiological concepts are far from perfect. A novel concept is introduced describing the importance of patency of axial venous system with "Pressure gradient model" ...
Jacobson Adam S - - 2009
OBJECTIVES/HYPOTHESIS: The successful harvest and transplant of a fibular flap depends on many factors, including healthy inflow and outflow systems. A contraindication to harvesting a fibular flap is disease of the lower extremity arterial system; therefore, preoperative evaluation of the arterial system is routine. Preoperative evaluation of the venous system ...
Kasuya Hiromichi - - 2009
We assessed the usefulness of the separate demonstration of the arterial- and venous phase on 3D-CT angiography (3D-CTA) using a 64-multidetector row CT (MDCT) scanner for the surgery of brain tumors. Nineteen patients with meningiomas (n=11), schwannomas, metastatic brain tumors (n=2 each), glioblastoma multiforme, malignant lymphoma, craniopharyngioma, and embryonal carcinoma ...
Wicky Stephan T - - 2009
Pulmonary embolism is a well-known and feared complication of deep venous thrombosis (DVT). Patients who present with acute DVT are treated with anticoagulation therapy whenever possible. Nonetheless, anticoagulation therapy does not actually treat DVT by dissolution of thrombus but instead prevents the propagation of the existing acute DVT. Unfortunately, a ...
Pastores Stephen M - - 2009
Venous thromboembolism, manifested as either deep venous thrombosis or pulmonary embolism (PE), is a major cause of morbidity and mortality in patients admitted to the intensive care unit. Clinically, PE may present as massive thromboembolism associated with cardiogenic shock or may be asymptomatic, as may occur with anatomically small emboli ...
Schulman Joshua M - - 2009
We present a young girl with a diffuse, macrocystic lymphatic malformation with associated venous dilation involving the left lower pulmonary lobe and mediastinum. Recurrent hemoptysis necessitated left lower lobectomy. This is the first reported case of a macrocystic lymphatic lesion with venous anomalies located within the parenchyma of the lung.
Toftegaard M - - 2009
OBJECTIVE: This paper evaluates a method in which arterial values of pH, carbon dioxide tension (Pco(2)) and oxygen tension (Po(2)) calculated from venous values and pulse oximetry are compared with simultaneously measured arterial values. METHODS: 103 adult patients from three departments (pulmonary medicine, thoracic intensive care and multidisciplinary intensive care) ...
Fugate Mark W - - 2009
Thoracic outlet syndrome (TOS) is a condition caused by compression of the neurovascular structures leading to the arm passing through the thoracic outlet. There are three distinct types of TOS: neurogenic (95%), venous (4%-5%), and arterial (1%). Treatment algorithms depend on the type of TOS. Although statistically the most common ...
Iizuka Tomoya - - 2009
Heartworm infection with caval syndrome was detected in a thirteen-year-old male cat. However, removal of the heartworms via a jugular venotomy was infeasible because the size of the jugular vein limited our ability to use flexible alligator forceps. Therefore, a right atriotomy using total venous inflow occlusion was performed to ...
Di Fabio Francesco - - 2009
Venous and arterial thromboembolism constitutes a significant cause of morbidity and mortality in patients with inflammatory bowel disease. The most common thrombotic manifestations are lower extremity deep vein thromboses with or without pulmonary embolism. Occasionally, thromboembolic events occur in the main abdominal vessels, such as the portal and superior mesenteric ...
Mutsuga Masato - - 2009
Pulmonary venous obstruction (PVO) after correction of total anomalous pulmonary venous connection (TAPVC) frequently occurs due to intimal-hyperplasia and the required re-operation. We have developed a novel sustained-release drug delivery system, using Tacrolimus-eluting biodegradable nano-fiber (TEBN). It consists of nano-scale fiber composed of biodegradable polymer and Tacrolimus. This study evaluated ...
Goldberg Morgan Roth - - 2009
Properly placed central venous catheters have been effective in establishing prolonged access for total parenteral nutrition infusion in ill neonates. However, malposition of the catheter may lead to lethal complications. Malposition and infusion into the epidural venous plexus is most commonly diagnosed on the basis of radiographs and has been ...
Wakefield Thomas W - - 2009
Venous thromboembolism (VTE) accounts for an estimated 900,000 cases of deep venous thrombosis (DVT) and pulmonary embolism (PE) yearly, resulting in approximately 300,000 deaths [1]. For the past 150 years, Virchow's triad has encompassed the elements of venous thrombogenesis, including stasis, changes in the vessel wall, and thrombogenic changes in ...
Loukas Marios - - 2009
Cardiac veins have long stood in the shadow of their more extensively studied counterparts, the coronary arteries. The clinical importance of the coronary venous system, nonetheless, should not be underestimated. Intricate and beneficial therapeutic options are increasingly being developed that depend on knowledge of the structure of this venous network. ...
Kim Kwang Seog - - 2009
Microsurgical ear replantation is a significant challenge because vessel sizes are diminutive. Furthermore, as ear vessels are larger in the medial portion than in the lateral portion, microsurgical replantation of a replant including only the helix is extremely difficult. The authors replanted a partial helix of the ear using a ...
Prandoni Paolo - - 2009
An increasing body of evidence suggests the likelihood of a link between venous and arterial thrombosis. The two vascular complications share several risk factors, such as age, obesity, diabetes mellitus, blood hypertension, hypertriglyceridemia, and metabolic syndrome. Moreover, there are many examples of conditions accounting for both venous and arterial thrombosis, ...
Vistamehr Setareh S From the Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, - - 2009
Pseudoxanthoma elasticum-like lesions have been described in association with an increased risk for stroke in β-thalassemia. We describe a patient with thalassemia intermedia and angioid streaks who developed a central retinal artery occlusion and subsequent portal vein thrombosis. Case report of a 47-year-old woman with thalassemia intermedia, angioid streaks, central ...
Panagiotopoulos V - - 2009
Tentorial dural arteriovenous fistulas (tDAVF) clinically present usually with subarachnoid and/or intraparenchymal hemorrhage. Reported rates range from 58% to 92% and neurological deficits occur in 79% to 92% of patients. This is due to venous congestion resulting from retrograde leptomeningeal venous drainage, which rarely, can be clinically silent. A 69-year-old ...
Wang Shigang - - 2008
When conventional gravity siphon venous drainage cannot achieve satisfactory venous drainage during minimally invasive cardiac and neonatal surgeries, assisted venous drainage techniques are needed to ensure adequate flow. One assisted venous drainage technique, vacuum-assisted venous drainage (VAVD), the aid of a vacuum in the venous reservoir, is now widely used ...
Lavoie Pascale - - 2008
INTRODUCTION: To evaluate the feasibility of performing a functional cerebral venous outflow blockage in two large animals species, the swine and the baboon, for elaboration of venous hypertension models. METHOD: Cerebral venous outflow pathways were identified on angiogram and venography of three swine and two baboons, and potential approaches to ...
Nielsen P F - - 2008
Patients undergoing open-heart surgery may, post-operatively, suffer from neurological disorders due to microbubbles created during extracorporeal circulation. Venous air is not completely removed in open hard-shell venous reservoirs. We, therefore, investigated the relationship between venous reservoir blood level and the amount of microbubbles in different commercially available reservoirs for comparison ...
dela Paz Nathaniel G NG Schepens Eye Research Institute and Harvard Medical School, 20 Staniford Street, Boston, MA 02114, USA. - - 2009
Vascular endothelial cells (ECs) form the inner lining of all blood vessels from the largest artery and veins, viz., the aorta and venae cavae, respectively, to the capillaries that connect the arterial and venous systems. Because these two major conducting systems of the cardiovasculature differ functionally, it is not surprising ...
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