Search Results
Results 401 - 450 of 1217
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Tomimoto Hidekazu - - 2006
CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy) is a hereditary small artery disease which is phenotypically similar to Binswanger's disease (BD), a nonhereditary form of small artery disease. Recent studies have indicated that lesions in the temporopolar, medial frontopolar areas and external capsule are frequently seen in ...
Ballotta Enzo - - 2006
BACKGROUND: Carotid angioplasty and stenting (CAS) is often considered as the preferred treatment for severe carotid occlusive disease in patients labelled as "high risk", including those aged 80 or more. We analyzed 30-day stroke risk and death rates after carotid endarterectomy (CEA) for severe symptomatic or asymptomatic carotid disease in ...
Chaves Claudia - - 2006
BACKGROUND: The perfusion profile of patients with asymptomatic internal carotid artery (ICA) disease has not been well studied. The purpose of this study is to describe the perfusion patterns of patients with asymptomatic ICA disease using computed tomography perfusion (CTP) and its potential value in identifying patients at higher risk ...
Heijenbrok-Kal Majanka H - - 2006
PURPOSE: To determine the optimal peak systolic velocity (PSV) threshold at duplex ultrasonography (US) required to establish the need for carotid endarterectomy in symptomatic patients on the basis of the long-term cost-effectiveness outcomes of diagnostic testing and subsequent treatment. MATERIALS AND METHODS: From January 1997 through January 2000, a prospective ...
Aversa A - - 2005
A number of disease processes of the penis including Peyronie's disease, priapism, penile fractures and tumors are clearly visualized with ultrasound. Diagnostic evaluation of erectile dysfunction (ED) by penile dynamic colour-duplex Doppler ultrasonography (D-CDDU) is actually considered a second level approach to ED patients because of the fact that intracavernous ...
Verhoeven Bart - - 2005
Atherosclerotic carotid artery disease is responsible for a variety of clinical presentations, ranging from asymptomatic to cerebral ischemic events. Considering the upcoming use of noninvasive imaging modalities, plaque characteristics could serve as a marker in the selection of patients eligible for carotid endarterectomy (CEA). This would be more likely if ...
Yamashita Tetsuo - - 2005
BACKGROUND AND PURPOSE: Brain swelling and/or hemorrhage can occur after carotid endarterectomy. This phenomenon is called the hyperperfusion syndrome. Several factors contribute to this syndrome. One is reperfusion in a maximally dilated vessel which means disappearance of cerebral reserve capacity (CRC). The aim of the study was to determine whether ...
Turu Marta Miguel - - 2006
Carotid atherosclerotic plaque remodelling and increased risk of symptomatic plaque rupture seem to be partially mediated by matrix metalloproteinases (MMPs). In this study, we have investigated whether different MMPs are related to carotid atherosclerosis or to recent ischaemic brain disease. Eighty-four consecutive patients undergoing carotid endarterectomy for symptomatic and asymptomatic ...
Papa A - - 2005
BACKGROUND: Patients with inflammatory bowel disease have an increased risk of thrombotic complications; moreover, mesenteric microvascular thrombosis has been hypothesized as a contributing factor in the pathogenesis of inflammatory bowel disease. AIM: To assess the extent of subclinical atherosclerosis in inflammatory bowel disease by measuring the intima-media thickness of the ...
Rockman Caron B - - 2005
Patients with diabetes mellitus have been shown to have an increased incidence of complications after elective major vascular surgery. The objective of this study was to evaluate a large series of diabetic patients undergoing carotid endarterectomy (CEA) to determine if outcome differed from nondiabetic patients and to examine predisposing factors ...
Baguet Jean-Philippe - - 2005
STUDY OBJECTIVES: To characterize carotid intima-media thickness (IMT) and plaque occurrence in patients with newly diagnosed obstructive sleep apnea (OSA) without known cardiovascular disease. DESIGN: Prospective study. SETTING: Sleep Laboratory and Department of Cardiology of Grenoble University Hospital. PATIENTS AND INTERVENTION: OSA syndrome is associated with an increased cardiovascular risk. ...
Lin Stephanie C - - 2005
Recent data suggest that patient age >80 years may be associated with increased risk of periprocedural complications from carotid angioplasty and stenting (CAS). In this study, we analyzed anatomic risk factors in patients undergoing CAS based on age >80 or <80 years. Our hypothesis was that patients >80 would have ...
Favrole P - - 2005
Three consecutive patients with embolic basilar artery occlusion were treated with endovascular mechanical thrombus extraction. Recanalisation was rapidly obtained in one patient, who had a good initial recovery, and in another patient who made a complete recovery. By contrast, recanalisation failed in the third patient, who made no recovery. No ...
Metawea Bahgat - - 2005
OBJECTIVES: To determine the value of penile duplex ultrasonography in predicting the occurrence of intracavernous drug-induced ischemic priapism directly after the rigid erection phase. METHODS: We evaluated 250 men with erectile dysfunction by color Doppler ultrasonography after the diagnostic injection of papaverine hydrochloride and phentolamine mesylate. Cavernosal artery waveforms were ...
Lehrner J - - 2005
Percutaneous transluminal angioplasty with stenting (PTAS) has become a treatment option for severe carotid stenosis. The goal of our study was to determine prospectively neurocognitive outcome 6 months after unilateral stent-protected carotid angioplasty. Twenty consecutive patients who underwent stent-protected angioplasty for symptomatic (n=9) or asymptomatic (n=11) high-grade carotid stenosis were ...
Marcel M - - 2005
The authors followed up 41 consecutive patients (21 symptomatic) with internal carotid artery stenosis > or =70% and previous neck irradiation. After 28 months, 15 patients (36.6%) had died, five (12.2%) had had an ischemic stroke, and 15 (36.6%) had a new malignancy. Having a new malignancy was the only ...
Bleyer Anthony J - - 2005
BACKGROUND: The effect of parathyroidectomy on vascular calcification in patients with end-stage renal disease has been a subject of interest for many years, although studies in this area have not been definitive. The purpose of this investigation is to determine changes in vascular calcification after subtotal parathyroidectomy by using fast-gated ...
Israilov S - - 2005
The aim was to evaluate the effectiveness of a progressive program, starting with simple methods and, when not effective, moving to more complex methods, to treat erectile dysfunction (ED) in patients with diabetes mellitus. A total of 284 diabetic patients with ED entered into a 6-phase program starting with sildenafil ...
Bo Mario - - 2005
BACKGROUND: The risk of cognitive decline in patients undergoing carotid endarterectomy (CE) for left internal carotid artery (ICA) (LICA) disease before or after the occurrence of ischemic symptoms has not been fully elucidated. We evaluated whether patients undergoing CE for symptomatic LICA stenosis have greater risk of cognitive decline than ...
Dean N - - 2005
INTRODUCTION: Doppler ultrasound (DUS) is used as a screening tool to assess internal carotid artery (ICA) disease. Recent reports suggest that the DUS may be inaccurate in over 28% of patients. We sought to evaluate the accuracy of DUS, when performed in a dedicated stroke prevention clinic (SPC). METHODS: We ...
El-Sakka Ahmed I - - 2005
OBJECTIVE: To assess if there is an underlying vascular association between lower urinary tract symptoms (LUTS) and erectile dysfunction (ED). MATERIALS AND METHODS: A total of 374 male patients with ED were enrolled in this study. Patients were interviewed for ED using the International Index of Erectile Function. Assessments for ...
Markus Hugh S - - 2005
BACKGROUND AND PURPOSE: Transcranial Doppler ultrasound can reliably detect both gaseous and solid cerebral emboli. However, conventional equipment is unable to discriminate between gaseous and solid emboli. This is a major limitation in situations in which the 2 coexist, because they may have very different clinical relevance. Recently, a novel ...
Goel Mahesh C - - 2005
OBJECTIVES: To perform a retrospective study to determine the clinical utility of Doppler ultrasonography (DUS) and to determine its role in the management of transplant renal artery stenosis (TRAS). METHODS: Patients undergoing DUS between January 1998 and January 2001 for clinical suspicion of TRAS were included in the study. A ...
Durward Quentin J - - 2005
HYPOTHESIS: The North American Symptomatic Carotid Endarterectomy Trial and the European Carotid Surgery Trial demonstrated that a greater benefit from carotid endarterectomy (CEA) was seen in elderly compared with younger patients. However, no patients older than 89 years were included in either study. We hypothesized that CEA is safe and ...
Gonzalez-Gay Miguel A - - 2005
OBJECTIVE: Patients with rheumatoid arthritis (RA) are at greater risk of developing cardiovascular events compared with individuals without RA. Increased risk for cardiovascular disease in these patients is a consequence of atherosclerosis. Case-control studies have shown that increased intima-media thickness (IMT) of the common carotid artery is an indicator of ...
Ehtisham As'ad - - 2005
BACKGROUND: It is unclear why atherosclerosis remains restricted to one arterial tree in some patients whereas it is more generalized in others. Few studies have addressed the role that systemic risk factors play in the progression of atherosclerosis from one arterial tree to another. METHODS: We studied 344 consecutive patients ...
Oflaz H - - 2005
Brachial artery endothelial dysfunction was shown previously in a small group of Behçet's disease (BD) patients. This study aimed to compare the endothelial function in BD patients with and without vascular involvement. The study group consisted of 25 BD patients with vascular involvement, 25 BD patients without any vascular disease ...
Droste Dirk W - - 2005
OBJECTIVES: Clinically silent microembolic signals (MES) can be detected by transcranial Doppler sonography (TCD). There is theoretical evidence that lower ultrasound emission frequencies may lead to a higher signal intensity and thus sensitivity to detect MES. We compared a 1-MHz probe with a 2-MHz probe regarding sensitivity in the detection ...
Rapp Joseph H - - 2005
To prospectively determine the safety and efficacy of the gadolinium-based blood pool magnetic resonance (MR) imaging contrast agent gadofosveset in patients known to have or suspected of having peripheral vascular disease. Ethical committee approval and patient written informed consent were obtained. This study was compliant with the Health Insurance Portability ...
Mulaudzi T V TV Department of Surgery, Nelson Mandela School of Medicine, University of KwaZulu-Natal, Durban Metropolitan Vascular Unit, - - 2005
To evaluate the role of routine computerised cerebral tomography (CCT) in patients undergoing carotid endarterectomy (CEA) following transient ischaemic attach (TIA). A retrospective review was carried out of data collected on patients with TIA who were managed at the Durban Metropolitan Vascular Service over an 11-year period. All patients underwent ...
Seth Sandeep - - 2006
BACKGROUND: Assessment of disease activity in patients with Takayasu's arteritis (TA) is difficult due to absence of definitive tests. Presence of carotid intima-medial thickening has been suggested as a possible marker of inflammation and disease activity. METHODS: We evaluated common carotid artery carotid intima-medial thickness (CCA-IMT) in 56 common carotid ...
Benbir Gulcin - - 2005
BACKGROUND: Increased intima-media thickness (IMT) of the common carotid arteries (CCA) and elevated levels of highly sensitive C-reactive protein (hsCRP) are both shown to be associated with the occurrence of stroke. We investigated whether elevated hsCRP level is a risk factor for the increased IMT of the CCA independent of ...
Roman Mary J - - 2005
Chronic inflammatory diseases are associated with premature atherosclerosis; however, it is unknown whether arterial stiffness is increased in this setting, possibly as a manifestation of vascular disease preceding and/or independent of atherosclerosis. Carotid ultrasonography and radial applanation tonometry were performed in 101 patients with systemic lupus erythematosus, 80 patients with ...
Hansen Tomas - - 2006
The purpose of this study was to evaluate the technique of whole-body magnetic resonance angiography (MRA) of patients with a standard clinical scanner. Thirty-three patients referred for stenoses, occlusions, aneurysms, assessment of patency of vascular grafts, vasculitis and vascular aplasia were examined in a 1.5-T scanner using its standard body ...
Cothren C Clay - - 2005
BACKGROUND: Carotid stenting has been advocated in patients with grade III blunt carotid artery injuries (hereafter referred to as "blunt CAIs") because of the persistence of the pseudoaneurysm and concern for subsequent embolization or rupture. HYPOTHESIS: Carotid stenting is safe and effective for blunt CAIs. DESIGN: Analysis of a prospective ...
Metin A - - 2005
The aim of this study is to assess whether the type of penile curvature in normopotent men with Peyronie's disease affects the penile vascular doppler ultrasound parameters. Fifty-three normopotent patients within the stabilization phase of Peyronie's disease were evaluated retrospectively by means of color doppler ultrasonography. Bilateral cavernosal artery diameters ...
Wespes Eric - - 2005
OBJECTIVES: Most of the available data on efficacy for sildenafil are based on a questionnaire and erectile dysfunction (ED) is classified with minor or severe organic factors. To better select sildenafil responders and non-responders, we have conducted a haemodynamic and morphometric study in sildenafil non-responders. METHODS: Thirty patients with ED ...
Srodon P D - - 2005
OBJECTIVES: This study examines the long term outcome of transcranial bypass in a single centre. METHODS: In a prospective study, symptoms and angiographic findings were recoded on a database for 229 consecutive transcranial bypass procedures performed in 204 patients between 1976 and 1983. One hundred and seventy-seven had carotid territory ...
Chaudhary M - - 2005
OBJECTIVES: To evaluate, retrospectively, the impact of penile correction by modeling of the penis over an inflatable penile prosthesis and the subsequent improvement in erectile function. Advanced Peyronie's disease with severe penile curvature and poor quality erections presents a challenge to the urologist. METHODS: In our series, 46 patients with ...
Deogaonkar A - - 2005
BACKGROUND: Intraoperative ischaemia during carotid cross-clamping in patients undergoing carotid endarterectomy (CEA) is a major complication and prompt recognition of insufficient collateral blood supply is crucial. Electroencephalogram (EEG) is believed to be one of the useful forms of monitoring cerebrovascular insufficiency during CEA. The aim of this study was to ...
Winbeck K - - 2005
There are conflicting reports concerning signal intensity changes in transient global amnesia (TGA) using diffusion weighted imaging (DWI). We prospectively analysed DWI signal intensity changes in TIA and TGA patients, and compared the clinical characteristics and risk factors of both groups. Using DWI and conventional T1 and T2 weighted turbo ...
Giammusso Bruno - - 2005
Corporeal smooth muscle tone is regulated by a delicate balance between contraction and erectile smooth muscle. An abnormal balance in basal conditions, due to an augmented contraction of erectile smooth muscle, defined "dysfunctional antagonism", may be responsible of a particular condition of erectile dysfunction (ED), secondary to cavernous adrenergic hypertone ...
Bosiers Marc - - 2005
Patients presenting with atherosclerosis of the extracranial carotid arteries may be offered carotid endarterectomy (CEA), carotid artery stenting (CAS), or medical therapy to reduce their risk of stroke. In many cases, the choice between treatment modalities remains controversial. An algorithm based on patients' neurologic symptoms, comorbidities, limiting factors for CAS ...
Chong P L - - 2005
OBJECTIVE: Carotid artery angioplasty and stenting (CAS) has been proposed as an alternative to surgery for patients with high-grade symptomatic carotid disease. The purpose of this study was to determine the proportion of patients that were suitable for each type of intervention and to analyse the reasons that precluded stenting. ...
Engelhardt M - - 2005
The value of carotid endarterectomy for stroke prevention depends on reliable identification of patients at higher risk for stroke from their internal carotid artery (ICA) occlusive disease than from surgery. This selection of patients is based on the degree of ICA stenosis. Therefore, preoperative diagnostic measures should strive for a ...
Dagenais François - - 2005
BACKGROUND: Descending thoracic aortic surgery is linked to a high morbidity and mortality. Thoracic endovascular stent grafts were designed to decrease perioperative risks, especially in patients with severe comorbidities. However, procedure-related complications and clinical outcomes remain ill-defined. PATIENTS AND METHODS: The authors' experience in 24 patients (mean age 63.3+/-25.4 years) ...
Novo Salvatore - - 2005
BACKGROUND AND PURPOSE: We investigated whether soluble CD40L (sCD40L) may predict the risk of cardiovascular (CV) events in patients with asymptomatic carotid plaques. METHODS: Forty-two patients with asymptomatic low-grade carotid stenosis (ALCS) and 21 controls without any carotid stenosis were enrolled. All subjects had at least a major cardiovascular risk ...
Yen Michael H - - 2005
In a single-center cohort of 174 consecutive patients, we sought to evaluate whether the use of emboli protection devices (EPDs) results in equivalent rates of adverse events in symptomatic and asymptomatic patients after carotid artery stenting (CAS) with EPDs. Death or stroke occurred in 3.3% in the symptomatic group and ...
van der Schaaf I C - - 2005
The objectives of this study were to evaluate the feasibility of transcranial Doppler (TCD) monitoring after carotid endarterectomy (CEA) and to investigate whether 1 hr of monitoring is sufficient to detect a clinically relevant change in the number of postoperative microemboli. We also evaluated the association of patient characteristics and ...
Vilela Marcelo D - - 2005
OBJECTIVE: Rotational vertebrobasilar insufficiency is a severe and incapacitating condition. Proper investigation and management are essential to reestablish normal posterior circulation hemodynamics, improve symptoms, and prevent stroke. We present a series of 10 patients with rotational vertebrobasilar ischemia who were treated surgically and emphasize the importance of transcranial Doppler in ...
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