Search Results
Results 201 - 250 of 1221
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Khandelwal Niranjan - - 2011
To analyse the spectrum of Takayasu's arteritis (TA) on multidetector CT angiography (MDCTA). A retrospective analysis of the MDCTA findings was performed on 15 patients clinically diagnosed as Takayasu's arteritis. The spectrum and incidence of imaging findings on CTA were compared to studies in literature on catheter angiography in Takayasu's ...
Vicari Enzo - - 2010
INTRODUCTION: The lack of phosphodiesterase type 5 inhibitor effects in patients with erectile dysfunction (ED) of arterial origin may be caused by an endothelial dysfunction that causes a series of biochemical alterations leading to a reduced nitric oxide (NO) bioavailability and increased oxidative stress. AIM: The aim of this study ...
Catalano M - - 2009
Alterations of elastic properties may contribute to the accelerated atherosclerosis in patients with T2D. Little is known, however, about radial artery distensibility in this patient group. A total of 19 patients with T2D and 19 controls were investigated.An echotracking system coupled to a plethysmograph was used to assess the morphologic ...
Aleksic M - - 2009
In the present study the perioperative complication rate is compared between high- and low-risk patients when carotid endarterectomy (CEA) is routinely performed under local anaesthesia (LA). From January 2000 through June 2008 1220 consecutive patients underwent CEA under LA. High-risk patients fulfilled at least one of the following characteristics: ASA ...
Chiou Rei K - - 2009
BACKGROUND: Information in the literature on the hemodynamic characteristics of priapism, especially after therapeutic intervention, is very limited. We analyzed our colour Doppler ultrasound (CDU) studies performed for patients with various durations of priapism before and after therapeutic intervention. METHODS: We reviewed 52 CDU studies for 24 patients with priapism ...
Heider Peter - - 2009
OBJECTIVE: Relevant soluble matrix metalloproteinases (MMPs), their inhibitors, tissue inhibitor of metalloproteinases (TIMPs), and serological factors were analyzed as possible biomarkers for neurological symptoms in patients with carotid artery stenosis. METHODS AND RESULTS: Asymptomatic (n = 76) and symptomatic (n = 69) patients were evaluated. Serum levels of collagenases (MMP-1, ...
Mussa Firas F - - 2009
We reviewed our experience with urgent carotid intervention in the setting of acute neurological deficits. Between June 1992 and August 2008, a total of 3145 carotid endarterectomies (CEA) were performed. Twenty-seven patients (<1.0%) were categorized as urgent. The mean age was 74.1 years (range 56-93 years) with 16 (60%) men, ...
Chiu Ya-Ning - - 2009
We report a 47-year-old male stroke patient with nasopharyngeal cancer (NPC) and protein C deficiency. The patient was diagnosed with NPC and received a complete course of radiotherapy. Infarction stroke occurred 28 months after radiotherapy and magnetic resonance imaging of the brain confirmed the diagnosis. Carotid duplex sonography showed 50-79% ...
Vladimirova-Kitova Lyudmila - - 2009
BACKGROUND: The aim was to establish the predictors of early functional and structural vascular alterations (using intima-media thickness (IMT)) and flow-mediated vasodilation (%FMD) as well as to investigate the interrelationship between IMT and %FMD in asymptomatic, never-treated, severe hypercholesterolemia (HH). METHODS: One hundred and twenty patients with asymptomatic, severe, untreated ...
Amarenco Pierre - - 2009
BACKGROUND AND PURPOSE: The National Institute for Clinical Excellence (NICE) recommends that patients with a transient ischemic attack and ABCD(2) score > or =4 and those with >2 transient ischemic attacks within 1 week be admitted for urgent complete etiologic evaluation within 24 hours and that those with an ABCD(2) ...
Adlington H - - 2009
A 63-year-old women with a history of palpitations presented to the emergency department with a supraventricular tachycardia; the patient was cardiovascularly stable. Carotid sinus massage (CSM) was performed to help identify the underlying rhythm. During massage the patient had an immediate cerebrovascular accident, resulting in a left hemiplegia. Given the ...
Griniatsos John - - 2009
OBJECTIVES: The aim was to evaluate whether patients with calcifications in the carotid region detectable by panoramic radiograph differ in the prevalence of risk factors for stroke development compared with those without calcifications. STUDY DESIGN: Forty consecutive individuals suffering from proven carotid artery atherosclerotic occlusive disease were submitted to carotid ...
Sadat Umar U University Department of Radiology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK. - - 2009
Compare carotid plaque morphology of acute symptomatic, recently symptomatic and asymptomatic patients (groups 1, 2 and 3 respectively) with carotid artery disease using high resolution magnetic resonance imaging (MRI), to identify high-risk plaque characteristics best associated with risk of recurrent thrombo-embolic events. 60 patients underwent multi-contrast imaging of their internal ...
Taqui Ather Mohammed - - 2009
OBJECTIVE: To study the association between admission hyperglycaemia and the presence and pattern of intracranial and extracranial vascular disease. METHODS: This retrospective study was conducted at a major tertiary care hospital in Karachi, Pakistan. Patients who had presented with acute stroke and had undergone a carotid ultrasound Doppler of the ...
Protack Clinton D - - 2009
Metabolic syndrome (MetS) is rapidly increasing in prevalence and is associated with carotid plaque development and is a risk factor for stroke. The aim of this study is to describe the outcomes for patients with MetS after carotid revascularization (carotid endarterectomy [CEA] and carotid stenting [CAS]). A database of patients ...
Komotar Ricardo J - - 2009
OBJECT: The optimal treatment of medically refractory intracranial atheroocclusive disease remains unclear. The EC-IC Bypass Study Investigators found that patients with internal carotid and middle cerebral artery (ICA and MCA) occlusion received no benefit from direct superficial temporal artery to MCA bypass, and that patients with ICA occlusion and MCA ...
Sultan M J - - 2009
OBJECTIVES: A diagnosis of 'positional' vertebrobasilar ischaemia is considered in patients presenting with dizziness/vertigo during lateral neck rotation/extension and is attributed to bony 'nipping' of the vertebral artery (VA). This study reviewed our experience with extracranial and transcranial ultrasound to determine whether a diagnosis of 'positional' vertebrobasilar ischaemia was associated ...
Wolma J - - 2009
BACKGROUND: Previous studies suggest that in patients with ischaemic stroke, White people often present with large-vessel and Black people with small-vessel strokes. This study investigates the relation between large- and small-vessel disease, and ethnicity in White, Black, and Asian patients in Amsterdam, The Netherlands. METHODS: In a hospital-based population of ...
Xiong Li - - 2009
PURPOSE: To determine the correlation between the degree of plaque enhancement with contrast agent microbubbles and clinical symptoms in patients with carotid atherosclerotic plaque. MATERIALS AND METHODS: The study was approved by the hospital ethical committee, and informed consent was obtained from all patients. One hundred four patients (83 men: ...
Maksimovic Milos - - 2009
Metabolic syndrome (MetS) is associated with increased risk of carotid atherosclerosis. To estimate the frequency of MetS in patients with symptomatic carotid atherosclerotic disease, and to compare clinical, biochemical and ultrasonographic characteristics of patients with and without MetS. Cross-sectional study of 657 consecutive patients (412 males) with symptomatic carotid atherosclerotic ...
Donahue Manus J MJ Russell H. Morgan Department of Radiology and Radiological Science, Division of MR Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, - - 2009
To assess the role of vascular space occupancy (VASO) magnetic resonance imaging (MRI), a noninvasive cerebral blood volume (CBV)-weighted technique, for evaluating CBV reactivity in patients with internal carotid artery (ICA) stenosis. VASO reactivity, defined as a signal change in response to hypercapnic stimulus (4-second exhale, 14-second breath-hold), was measured ...
Dogramaci A C - - 2009
BACKGROUND: Several studies have demonstrated the presence of an association between androgenetic alopecia (AGA) and cardiovascular disease. The aim of this study was to evaluate subclinical atherosclerosis in patients with AGA and healthy controls by the incorporation of carotid intima-media thickness (IMT) and high-sensitive C-reactive protein (hs-CRP) along with echocardiography ...
Gorlitzer Michael - - 2009
The aim of the present case-control study was to assess patients with acute neurological symptoms requiring urgent carotid endarterectomy (CEA) and compare the outcome of the procedure in this group with that achieved in stable patients. Twenty-eight CEAs were performed in patients with an acute neurological deficit and 302 in ...
Wholey M H - - 2009
Based upon recent and old medical literature, with the exception of high surgical risk symptomatic patients, there remains much debate on how to manage extracranial carotid arterial disease, whether by surgical or endovascular intervention or by medical therapy alone. A review of the various global current carotid artery stent and ...
Pelclova Daniela - - 2009
OBJECTIVES: The aim of this study, performed in 2008, was to evaluate the consequences of severe occupational intoxication with 2,3,7,8-tetrachloro-dibenzo-p-dioxin (TCDD) that occurred during production of the herbicide trichlorophenoxyacetic acid in the period 1965-1968. DESIGN: Examination of 11 men, mean age 64.4+/-1.5 years, included: internal and neurological examination, eye fundus ...
Kelly Michael E - - 2009
OBJECTIVE: In some patients, collateral circulation may preserve the viability of brain parenchyma distal to an intracranial arterial occlusion for hours or days after the presenting event. These patients may be good candidates for revascularization, even when they present outside of the accepted 6-hour time window for stroke intervention. METHODS: ...
Bhavsar Sankalp - - 2009
BACKGROUND: Atherosclerosis, a response to injury, may be thought of as scarring in the artery wall. TGF-beta and associated signaling molecules have been implicated in the pathophysiology of keloid scarring, Dupuytren's Contracture and atherosclerotic plaques in independent studies. PURPOSE: To test the hypothesis that excess cutaneous scarring and Dupuytren's contractures ...
Pelisek Jaroslav - - 2009
BACKGROUND: In this study a multiscore analysis of various biomarkers including matrix metalloproteinases (MMPs), inflammatory factors and other clinical parameters was performed to establish a set of reliable biomarkers for improved detection of plaque instability in patients with advanced carotid stenosis. METHODS: Study patients (n = 101) were classified as ...
Braicu Marioara Daniela - - 2009
AIM: The evaluation of atherosclerosis, by the measurement of intima media thickness (IMT) at the level of right common carotid arteries (CCA Right) and left (CCA Left), for normolipidemic patients (NL) and dislipidemic patients (DLP) with various degrees of alteration to glucose tolerance. DESIGN AND METHODS OF RESEARCH: We have ...
Sunil Kumar K - - 2009
Accelerated atherosclerosis and cardiovascular disease are major causes of morbidity and mortality in patients of end-stage renal disease. Carotid intima media thickness is taken as a useful surrogate marker of atherosclerosis. Thirty end-stage renal disease (ESRD) patients were subjected to ultrasonography to study CIMT before the initiation of dialysis. CIMT ...
Baguet Jean-Philippe - - 2009
Obstructive sleep apnea (OSA) is associated with high cardiovascular morbidity and mortality. Recent studies have shown that it is associated with atherosclerosis and left ventricular dysfunction markers. The aim of this study was to assess the cardiovascular effects of OSA depending on its severity, in patients without clinically diagnosed cardiovascular ...
Rodés-Cabau Josep - - 2009
BACKGROUND AND PURPOSE: To further determine the mechanisms of cryptogenic stroke or transient ischemic attack in young patients, we evaluated indices of atherosclerosis in patients <or=55 years old diagnosed with cryptogenic cerebrovascular event comparing those with patent foramen ovale (PFO) with those without PFO. METHODS: This was a prospective study ...
Holaj R - - 2009
Catecholamines due to various mechanisms may contribute to the accumulation of collagen fibers and extracellular matrix in the arterial wall. The aim of this study was to compare intima-media thickness (IMT) of the common carotid artery (CCA) and carotid bifurcation (CB) in patients with pheochromocytoma, essential hypertension and healthy controls. ...
Chen Qingwei - - 2009
OBJECTIVES: In the present study we measured carotid plaque morphology and plaque area by Duplex Doppler ultrasonography (US), as well as angiographic extent of carotid artery stenosis referred for carotid arteriography (DSA) in patients with two or more atherosclerotic risk factors, to assess the relation between features of carotid artery ...
Tarhan Fatih - - 2009
OBJECTIVES: It has been reported that apoptosis of penile erectile tissue occurs after penile denervation, castration, and diabetes mellitus in animal studies. Aim of this study was to investigate apoptosis in corpora cavernosa of patients with organic erectile dysfunction (ED). METHODS: Cavernous biopsies were obtained from 38 patients with erectile ...
Helton Thomas J - - 2008
Carotid and cerebrovascular disease have major public health implications given the associated morbidity and mortality. However, the best treatment for this disease is uncertain. Carotid endarterectomy has proven useful in primary and secondary prevention of strokes for patients with significant internal carotid artery stenoses. Many patients are considered at high ...
Chiam Paul T L - - 2008
OBJECTIVES: This study was conducted to determine if carotid stenting (CS) could be safely performed in the elderly. BACKGROUND: Age has been shown to be a predictor of neurological complications during CS. We postulated that CS could be safely performed in elderly patients if certain anatomical and clinical markers such ...
Naylor A Ross - - 2008
The early risk of stroke after a patient suffers a transient ischemic attack (TIA)/minor stroke is significantly higher than previously thought. In most health systems, this (unfortunately) means that many vulnerable patients will have suffered their stroke before having had any chance of being considered for carotid endarterectomy (CEA) or ...
Ohebshalom Michael - - 2008
OBJECTIVE: To define haemodynamic changes after radical retropubic prostatectomy (RP) and the predictive value of these for the outcome of erectile function (EF), as although there are predictors of the recovery of EF, penile vascular changes might also affect the recovery of EF. PATIENTS AND METHODS: Prospective data were analysed ...
Prasad Anand - - 2008
Identification of high-risk patients presenting with chest pain remains challenging. The use of a single biomarker or a panel of biomarkers to detect occult plaque destabilization or rupture without frank infarction would allow for appropriate triage of such patients. Current data suggest that plaque vulnerability is determined by the relationship ...
Heyer Eric J EJ Department of Anesthesiology, Columbia University, 620 West 168th Street, New York, NY 10032, USA. - - 2008
In previous studies, we found that approximately 25% of patients having carotid endarterectomy with general anesthesia (CEA general) develop cognitive dysfunction compared with a surgical control Group 1 day and 1 mo after surgery. In this study, we tested the hypothesis that patients having CEA with regional anesthesia (CEA regional) ...
Rossi Marco - - 2008
A number of studies based on conventional ultrasound scanning (CUS) gave contrasting results about the occurrence of early atherosclerosis in patients with systemic lupus erythematosus (SLE), while no study on early arterial sclerosis in the same patients are available. Recently, information on early arterial sclerosis can be provided by the ...
Oshino Satoru - - 2008
BACKGROUND AND PURPOSE: Cerebral occlusive vascular disease is an established risk factor for ischemic stroke; however, little is known about its effects on brain function in patients without stroke. To detect possible functional alterations, we used magnetoencephalography and evaluated cerebral cortical activity during hand motor tasks in a group of ...
Fassiadis Nicholas - - 2008
OBJECTIVES: The aim was to evaluate the prevalence of asymptomatic mild (30-49%), moderate (50-69%) and severe (70-99%) ICA stenosis in patients who underwent previous coronary angioplasty (PTA). METHODS: After obtaining ethics committee approval, 144 consecutive patients aged between 65 and 75 years were invited for carotid Duplex evaluation with a ...
De Silva D A - - 2008
BACKGROUND AND PURPOSE: Arterial stiffness and metabolic syndrome (MetS) are risk factors for ischaemic stroke. We studied the association of arterial stiffness, measured by carotid-femoral pulse wave velocity (PWV) and MetS amongst ischaemic stroke patients. We also investigated the role of inflammation measured by serum erythrocyte sedimentation rate (ESR) in ...
Skoloudik David - - 2008
The aim was to demonstrate the safety and efficacy of continuous ultrasound monitoring of the artery occlusion area (sonothrombotripsy) in patients with acute middle cerebral artery (MCA) occlusion. A total of 52 consecutive patients with acute MCA occlusion were included in the thrombotripsy group. Doppler monitoring of the region of ...
Duerschmied Daniel - - 2009
BACKGROUND: Simplified contrast-enhanced ultrasound (CEUS) can be used to evaluate muscle perfusion in peripheral arterial disease (PAD). Here, we report its diagnostic accuracy for detecting symptomatic PAD. Additionally, we hypothesize that the extent of collateral formation is reflected by CEUS. METHODS: Ultrasound contrast agent was injected into an antecubital vein ...
Keckler S J - - 2008
INTRODUCTION: Patients presenting in the first 3 months of life with nonbilious emesis are commonly studied by ultrasound. A negative study effectively rules out pyloric stenosis. However, the development of pyloric stenosis is a progressive and dynamic process. The rate of hypertrophy to the point of meeting diagnostic criteria is ...
Hong Seo Na - - 2008
BACKGROUND/AIMS: Behcet's disease (BD) is a systemic disorder associated with a characteristic vasculitis that can involve both veins and arteries of all sizes. Endothelial activation or injury is a characteristic feature of BD. Endothelial dysfunction is widely regarded as being the initial lesion in the development of atherosclerosis. The carotid ...
Gröschel K - - 2008
BACKGROUND AND PURPOSE: Aortic arch calcification (AC) on conventional angiograms has recently been shown to be associated with embolic complications during carotid artery stenting (CAS). Because conventional angiography is not routinely carried out in patients prior to CAS, a less invasive, commonly available diagnostic modality is warranted to identify AC. ...
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