Search Results
Results 51 - 100 of 1013
1 2 3 4 5 6 7 8 9 10 >
Jayasooriya Gayani S GS Academic Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, Charing Cross Hospital, London, United - - 2011
Carotid stenosis accounts for 20% of ischemic strokes and can be managed with pharmacotherapy alone or in conjunction with carotid endarterectomy or stenting. The management of asymptomatic carotid stenosis is controversial amongst physicians. The aim of this study was to explore patient preferences for the potential management options using a ...
Kotze Carl W - - 2011
PURPOSE: In this study we investigate the relationship between (18)F-fluorodeoxyglucose (FDG) metabolism and future aneurysm expansion measured by serial duplex ultrasound. Current screening programmes are increasing the identification of patients with abdominal aortic aneurysm (AAA). The management of these patients remains challenging and methods of risk stratification are sought. METHODS: ...
Smith Philip D - - 2011
BACKGROUND: Paraplegia remains a significant complication of thoracoabdominal aortic surgery. The study of this spinal cord ischemia and reperfusion injury (SCIR) has been stifled by the constraints of current models. Large animal models are costly and restricting with regard to mechanisms of both injury and protection. While few studies of ...
Rahmah Nunung Nur - - 2011
BACKGROUND AND IMPORTANCE:: Formation of cerebral de novo aneurysms (CDNA) is rare, and pathogenesis remains obscure. We analyzed factors involved in formation of CDNA and suggest guidelines for follow-up of patients. CLINICAL PRESENTATION:: We retrospectively reviewed intracranial aneurysms at our institute and published reports from 1964 to 2008. Eleven patients ...
Behrendt Florian F - - 2011
Introduction: The aim of this study was to compare intra-individual contrast enhancement in multidetector-row computed tomography using the low-osmolar monomeric iopromide 300 and the iso-osmolar dimeric iodixanol 320. Methods: Repeated computed tomography scanning of the chest of five pigs was performed under standardised conditions using iopromide 300 (300 mg I/mL) and iodixanol ...
Ewert Ralf - - 2011
Iloprost (Ventavis(®), Bayer Schering Pharma, Germany) is a synthetic prostacyclin that is used in its inhalative form for the therapy of pulmonary arterial hypertension. Long-term therapy can increase exercise capacity and quality of life. The use of modern nebulizers especially designed for the administration of iloprost guarantees the pulmonary deposition ...
Delemos Christi - - 2011
Background Patients in neurological critical care units often have lengthy stays that require extended vascular access and invasive hemodynamic monitoring. The traditional approach for these patients has relied heavily on central venous and pulmonary artery catheters. The aim of this study was to evaluate peripherally inserted central catheters as an ...
Pflieger Matthew - - 2011
All patients with stable coronary artery disease require medical therapy to prevent disease progression and recurrent cardiovascular events. Three classes of medication are essential to therapy: lipid-lowering, antihypertensive, and antiplatelet agents. Lipid-lowering therapy is necessary to decrease low-density lipoprotein cholesterol to a target level of less than 100 mg per ...
Huertas Alice - - 2011
Pulmonary veno-occlusive disease (PVOD) is a rare disorder that can be misdiagnosed as idiopathic pulmonary arterial hypertension (PAH) and accounts for 5-10% of cases initially considered as idiopathic PAH. PVOD and idiopathic PAH share a similar clinical presentation, genetic background and hemodynamic profile. A definite diagnosis of PVOD necessitates a ...
Colyer William R WR - - 2011
Renal artery stenosis (RAS) is a relatively common manifestation of atherosclerosis, although in a small percentage of cases it is due to fibromuscular dysplasia and less frequently may have other etiologies. RAS may be treated by revascularization, using either percutaneous or open surgical techniques. Currently, technical success with percutaneous revascularization ...
Haygood Tamara Miner TM Department of Diagnostic Radiology, University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd, Unit 1475, Houston, TX 77030, - - 2011
The purpose of this study was to determine, first, the accuracy with which radiologists reading posteroanterior chest radiographs differentiate whether a central venous line is in the superior vena cava or the azygos vein and, second, the circumstances in which radiologists may omit the lateral view to determine the position ...
van Keulen Jasper W JW Department of Vascular Surgery, University Medical Center Utrecht, The - - 2011
To evaluate the pulsatility of the iliac arteries and compare their distension at several levels that might influence preoperative stent-graft sizing and the long-term durability of stent-graft sealing and fixation. Preoperative dynamic computed tomographic angiography (CTA) scans of 30 patients (24 men; median age 75 years, range 60-85) with an ...
Patterson Benjamin Oliver BO St. George's Vascular Institute, London, UK. - - 2011
Endovascular aneurysm repair (EVAR) has reduced early adverse outcomes from abdominal aortic aneurysm (AAA) repair. Preferential use of EVAR may have altered the profile of patients who undergo open repair. The validity of scoring systems such as the Glasgow Aneurysm Score (GAS), devised when open surgery was the only treatment, ...
Nicholls Stephen J - - 2011
Abstract Background: Previous imaging studies have demonstrated that the beneficial impact of high-dose statins on the progression of coronary atherosclerosis associates with their ability to lower levels of low-density lipoprotein cholesterol (LDL-C) and C-reactive protein (CRP) and to raise high-density lipoprotein cholesterol (HDL-C). The Study of Coronary Atheroma by InTravascular ...
Krivoshei Lian - - 2011
Spontaneous sac size regression of a giant abdominal aortic aneurysm (AAA) is a rare event that has not been previously described. We report a case of an 89-year-old woman with a known 9-cm AAA, which was diagnosed in 2003. The patient had refused any kind of treatment at that time. ...
Youssef A Samy - - 2011
A thorough understanding of the anatomy of the pineal region, particularly venous drainage, is critical for gaining open surgical access to the pineal gland. The adverse sequelae after intraoperative venous occlusion are assumed to be catastrophic but have been scarcely reported. We report a case of pineocytoma in which the ...
Rinaldi Pierluigi - - 2011
INTRODUCTION: Main purpose of our study is to demonstrate the spectral and color Doppler ultrasonography (DUS) findings that would indicate hepatic artery stenosis (HAS) after liver transplantation and to report our single center results. Moreover we want to establish role and limits of the different imaging techniques in detecting HAS, ...
Ito Hiroki - - 2011
Predisposing risk factors, clinical course, and prognosis of spontaneous coronary artery dissection (SCAD) remain poorly understood. We reviewed medical records and coronary angiograms of patients admitted to our institution with the diagnosis of SCAD from 1999 through 2010. A definite diagnosis of SCAD required the agreement of 2 blinded board-certified ...
Bernat Ivo - - 2011
Radial artery occlusion (RAO) can result from transradial catheterization. We compared the incidence of RAO with 2 heparin dosage regimens after transradial coronary angiography, and we evaluated the efficacy and safety of transient homolateral ulnar artery compression to achieve acute radial artery recanalization. Patients referred for coronary angiography were randomized ...
Rahme Ralph - - 2011
Cerebral arteriovenous malformations (AVMs) have been occasionally reported to bleed from their venous side. This may particularly be the case when venous ectasias or aneurysms develop in the setting of steno-occlusive venopathy. Venous side hemorrhage should be suspected when the hematoma is centered on the venous pouch or when a ...
Rosell Antoni - - 2011
The persistent air leak due to alveolopleural fistula is not an uncommon complication of pneumothorax, particularly secondary ones. Endobronchial valves initially designed for lung volume reduction are the latest tool in the therapeutic armamentarium. We present a patient with chronic obstructive pulmonary disease (COPD) with a persistent air leak in ...
Ueda Hiroyasu - - 2011
Coronary artery calcium (CAC) is associated with the presence of coronary artery disease (CAD) and cardiovascular risk factors. However, the relation between cardiovascular risk factors and CAD has not yet been fully elucidated in patients with a zero or low coronary artery calcium score (CACS). The purpose of this study ...
Matsukawa Hidetoshi - - 2011
Object It is well known that spontaneous intradural vertebral artery dissection (siVAD) is an important cause of nontraumatic subarachnoid hemorrhage (SAH). The factors that influence whether SAH develops, however, remain unclear. The aim of this study was to investigate whether clinical characteristics and imaging findings are different in patients with ...
Chow Benjamin J W - - 2011
BACKGROUND: Computed tomographic coronary angiography (CTCA) has gained clinical acceptance for the detection of obstructive coronary artery disease. Although single-center studies have demonstrated excellent accuracy, multicenter studies have yielded variable results. The true diagnostic accuracy of CTCA in the "real world" remains uncertain. We conducted a field evaluation comparing multidetector ...
Chen Huiting - - 2011
Jaw claudication could result from external carotid artery (ECA) occlusive disease. Carotid artery stenting (CAS) has been shown to worsen the disease in the ECA. This could potentially worsen the symptoms in patients with pre-existing jaw claudication undergoing CAS. Meanwhile, ECA endarterectomy is routinely done during internal carotid artery endarterectomy ...
Guay Joanne - - 2011
OBJECTIVE: To compare carotid artery stenting with open carotid surgery for the treatment of symptomatic or asymptomatic carotid artery stenosis in terms of stroke, myocardial infarction, and death at 30 days. DESIGN: A meta-analysis of parallel randomized clinical trials (RCTs) (blind or open) published (full article available) in English. SETTING: ...
Mirsky Rachel - - 2011
Despite advances in the treatment of pulmonary arterial hypertension, a truly restorative therapy has not been achieved. Attention has been given to circulating angiogenic cells (CACs, also termed early endothelial progenitor cells) due to their ability to home to sites of vascular injury and regenerate blood vessels. We studied the ...
Chocron Sidney - - 2011
Multilayer stents are already being used for the treatment of peripheral aneurysms. In France, they are currently under evaluation in the treatment of thoraco-abdominal aneurysms. We have used multilayer stents to treat aneurysmal evolution of thoraco-abdominal residual type B dissection. Third month computed tomography (CT)-scan showed a false channel no ...
Hussein Ayman A - - 2011
The purpose of this analysis was to characterize the progression of coronary atherosclerosis in patients with concomitant peripheral arterial disease (PAD). Peripheral arterial disease is associated with adverse cardiovascular outcomes. The impact of concomitant PAD on coronary atherosclerosis progression in patients with coronary artery disease has not been well established. ...
Alberto Trapani T - - 2011
OBJECTIVE: To evaluate the effect of transdermal nitroglycerin on Doppler velocity waveforms of the uterine, umbilical and middle cerebral arteries in patients with severe preeclampsia. METHOD: This was a prospective study of 30 singleton pregnancies with severe preeclampsia and abnormal uterine and umbilical artery Doppler waveforms (gestational age range: 24 ...
Kim Won Young - - 2011
INTRODUCTION: To determine the optimal length for initial insertion of central venous catheters (CVCs) and to evaluate whether a recommended depth predicted optimal positioning of CVCs. MATERIALS AND METHODS: All patients who were CVC-cannulated and who underwent chest computed tomography (CT) during a 10-month period were included. We measured the ...
Kau Thomas - - 2011
OBJECTIVE: To evaluate the accuracy of dual-energy CT angiography (DE-CTA) maximum intensity projections (MIPs) in symptomatic peripheral arterial occlusive disease (PAOD). METHODS: In 58 patients, DE-CTA of the lower extremities was performed on dual-source CT. In a maximum of 35 arterial segments, severity of the most stenotic lesion was graded ...
Norton Catherine - - 2011
The incidence of chronic stable angina has risen significantly over the past few decades and may affect as many as 15 000-40 000 individuals per million in the US and Europe. Whereas there are fundamental pathophysiologic differences between chronic stable angina and acute coronary syndrome, the importance of optimal medical ...
Furlan Alessandro - - 2011
The purpose of our study was to assess the accuracy and reproducibility of clot burden quantification with pulmonary CT angiography (CTA). A semiautomated program was developed for segmentation and volumetric quantification of pulmonary embolus with pulmonary CTA. The accuracy of this measurement method was assessed using two pulmonary embolus phantoms. ...
Portman Michael A - - 2011
Kawasaki disease (KD) is a multisystem vasculitis affecting coronary arteries in children. Patients, refractory to standard treatment with intravenous immunoglobulin and aspirin, show higher rates of coronary artery dilation. Early tumor necrosis factor α receptor antagonism in KD may provide effective adjunctive therapy. The EATAK trial is a multicenter, double-blind, ...
Benedetto F - - 2011
Brucellosis is a zoonosis, caused by bacteria belonging to the genus Brucella. Aortic involvement is a rare complication, often following embolization from infective endocarditis. However, contiguous propagation from vertebral involvement may occur. We report the case of an 81 year old patient abruptly presenting with aortic rupture due to Brucella ...
Gupta Vishal - - 2011
Visceral artery pseudoaneurysms are uncommon. They most commonly affect the splenic artery and are secondary to chronic pancreatitis. Giant pseudoaneurysms (5 cm or larger in size) are rare and, until now, only 19 cases have been reported. A 47-year-old chronic alcoholic and diabetic male presented with upper abdominal pain of ...
Singh Avneet - - 2011
The majority of coronary angioplasty is done via the femoral artery, with vascular complications being a major adverse event. Bivalirudin has been shown to reduce bleeding complication and improve outcomes. The use of bivalirudin in radial interventions has largely been limited due to the routine use of heparin for the ...
Moreira Roger Klein - - 2011
Absence of bile ducts (BDs) in >50% of portal tracts is currently the most widely accepted criterion for the diagnosis of ductopenia. In this study, we describe an alternative method for the quantitative assessment of BDs based on the percentage of portal tracts containing unpaired hepatic arteries (HAs). Diagnostic criteria ...
Ng Vivian G - - 2011
Coronary angiography remains the gold-standard method for evaluating coronary artery disease and interventional treatments. As percutaneous coronary interventions have advanced, quantitative coronary angiography (QCA) techniques have also evolved in order to provide more accurate assessments of these therapies. Improvements have been made at each step of the QCA process from ...
Woodard Pamela K - - 2012
During a recent multi-center trial assessing gadolinium (Gd)-enhanced magnetic resonance angiography (MRA) for diagnosis of acute pulmonary embolism (PE), the Food and Drug Administration announced a risk of nephrogenic sclerosing fibrosis in patients with renal insufficiency who had received intravenous Gd-based MR contrast agents. Although no patients in this trial ...
Franchin Marco - - 2011
Aortic aneurysm has been reported to be the dominant cause of primary iliac-enteric fistula (IEF) in >70% of cases [1]; other less common causes of primary IEF include peptic ulcer, primary aortitis, pancreatic pseudocyst, or neoplastic erosion into an adjacent artery [2, 3]. We describe an unusual case of IEF ...
Attenberger Ulrike I - - 2011
Atherosclerotic aneurysms account for about 95% of all aneurysms. This overview concentrates on the 5% leftover, which however represents a heterogenic group of aneurysms with a wide range of different pathogenesis. Thus, therapy is not exclusively restricted to the exclusion of the aneurysm. In non-atherosclerotic aneurysmal disease various additional therapeutic ...
Stavrinou Eirini - - 2011
Atherosclerotic renal artery stenosis (ARAS) is a progressive disease and it is usually associated with hypertension as well as with chronic kidney and cardiovascular disease. Although the anatomical lesions are relatively easy to depict, there is need to identify diagnostic methods to establish the functional significance of the stenosis and ...
Renapurkar Rahul D - - 2011
OBJECTIVE: The maximal diameter of an abdominal aortic aneurysm (AAA) and the change in diameter over time reflect rupture risk and are used for surgical planning. However, evidence has emerged that aneurysm volume may be a better indicator of AAA remodeling. The purpose of this study was to assess the ...
Rosiere Lucas C - - 2011
Treatment options for massive and submassive pulmonary embolus may include hemodynamic support, fibrinolysis, anticoagulation, and thrombectomy. Selection of the appropriate therapy requires scrutiny of the patient's hemodynamic status, preexisting conditions, risk of complications, and availability of services at the treatment center. This article illustrates a case of successful fibrinolysis and ...
Saba Luca - - 2011
PURPOSE: The purpose of this work was to determine whether it is possible to identify a reliable carotid stenosis threshold-measured in millimeters (mm)-that is associated with cerebrovascular symptoms. METHODS: Written, informed consent was obtained for each patient; 149 consecutive patients (98 men; median age, 68 years) were studied for suspected pathology ...
Fattori Rossella - - 2011
The overall survival of patients with thoracic aortic aneurysm (TAA) has improved significantly in the past few years. Endovascular treatment, proposed as an alternative to surgery, has been considered a therapeutic innovation because of its low degree of invasiveness, which allows the treatment of even high-surgical risk patients with limited ...
Chan Keith T - - 2011
To test the hypothesis that a common iliac vein (CIV) stenosis may impair embolization of a large deep venous thrombosis (DVT) to the lungs, decreasing the incidence of a symptomatic pulmonary embolism (PE). Between January 2002 and August 2007, 75 patients diagnosed with unilateral DVT were included in a single-institution ...
Saito Shigeru - - 2011
You have a consultation from a 67-year-old patient with severe effort angina. Full-dose prescription could not relieve his symptoms. He had bypass surgery (coronary artery bypass graft [CABG]) more than 10 years ago. Saphenous vein graft (SVG) to a big right coronary artery (RCA) was recently occluded. SVG to a small ...
1 2 3 4 5 6 7 8 9 10 >