Search Results
Results 351 - 400 of 1113
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Brand N - - 2004
We evaluated hemispheric functions ipsilateral to the side of carotid endarterectomy (CEA) in patients with a severe stenosis in the left or right carotid artery. Assessments took place 1 day before and 3 months after CEA. Only right-handed males were included. Nineteen patients underwent surgery of the left carotid artery ...
Tamberella Michael R - - 2004
We describe a case of carotid artery restenosis following carotid artery stenting for treatment of post-endarterectomy stenosis. The goal is to highlight the risk of recurrent restenosis following endarterectomy. In this case report, we describe the use of cutting balloon therapy as a reasonable alternative to repeat surgical revascularization.
Waters Susanna - - 2004
OBJECTIVE: Free radicals contribute to the tissue damage caused by ischaemia-reperfusion. The aim of the present study was to investigate whether preoperative antioxidant therapy (allopurinol) affects free radical levels in cerebral venous blood in connection with surgery for carotid artery stenosis. MATERIALS AND METHODS: Twenty-five patients were randomised into the ...
Sakamoto Hideo - - 2004
OBJECTIVES: To assess the cavernous arterial (CA) anatomy with power Doppler imaging and evaluate the effects of any anatomic variations on the measurement of hemodynamic parameters. METHODS: Thirty-three patients with and 26 without a vascular component to their erectile dysfunction were examined. The CA anatomy was evaluated, and hemodynamic variables ...
Hartung Olivier - - 2004
Lesions of the internal carotid artery involving the bifurcation and the intrapetrous portion represent a challenging therapeutic situation. We herein report the first case of a patient suffering from tinnitus which was treated by simultaneous carotid endarterectomy of the bifurcation and transluminal angioplasty and stenting of the intrapetrous portion with ...
Rabe K - - 2004
In the past several years, carotid angioplasty as an alternative to carotid endarterectomy has developed as an evolving technology performed routinely in many centres worldwide. In this article we review the current status of the results of carotid artery stenting based on observational series and randomised trials. We highlight the ...
Brown O William - - 2004
The purpose of this study was to evaluate the reliability of carotid duplex ultrasound scanning performed by nonaccredited vascular laboratories and to assess the clinical effect on patient management. We retrospectively reviewed concordance of findings of carotid duplex ultrasound scanning between laboratories accredited by the Intersocietal Commission for Accreditation of ...
Ackerstaff R G A - - 2004
PURPOSE: In this article we will review some of the issues surrounding the relationship between TCD-detected emboli and brain function and architecture, both during conventional surgical carotid endarterectomy (CEA) and carotid angioplasty and stenting (CAS). MATERIAL AND METHODS: In both procedures, the cerebral embolic load was semi quantitatively assessed and ...
De Reuck J L - - 2004
The severity of internal carotid artery lesion per se is a poor indicator of the cerebral haemodynamic status of the brain. Positron emission tomography (PET) of the brain allows to study the different pathophysiological changes related to carotid artery disease. Several stages of impairment of cerebral blood flow and metabolism ...
Findlay J Max - - 2004
BACKGROUND: Since the validation of carotid endarterectomy (CEA) as an effective means of stroke prevention, there has been renewed interest in its best indications and methods, as well as in how it compares to carotid angioplasty and stenting (CAS). This review examines these topics, as well as the investigation of ...
Brooks William H - - 2004
OBJECTIVE: Carotid endarterectomy (CEA) is effective in reducing the risk of stroke in individuals with more than 60% carotid stenosis. Carotid angioplasty and stenting (CAS) has been proffered as effective and used in treating individuals with asymptomatic carotid stenosis despite the absence of proven clinical equivalency. This randomized trial was ...
Littooy Fred N - - 2004
Currently, the two primary approaches to carotid endarterectomy for extracranial carotid stenosis are carotid endarterectomy with patch angioplasty and eversion carotid endarterectomy. In a retrospective study over a 4-year period from 1998 to 2002, we had an opportunity to compare the two approaches as two surgeons utilized carotid endarterectomy with ...
Harrigan Mark R - - 2004
Cervical carotid stenosis is a major cause of stroke and disability. Although carotid endarterectomy is an established and effective treatment for some patients with carotid artery stenosis, angioplasty and stenting has emerged in recent years as a viable alternative, particularly for patients who may be less suited for surgery. This ...
Finsterer Josef - - 2004
A 74-year-old woman had a history over 25 years of endarterectomy of both renal arteries, iliac venous thrombosis, pulmonary embolism, left internal carotid artery endarterectomy, coronary angioplasty, aortocoronary bypass grafting, occlusion of the right axillary artery, lower-limb claudication due to common iliac artery aneurysm, external iliac artery stenosis, multiple femoral ...
Bender Mart H M - - 2004
Approximately one in five top-level cyclists will develop sports-related flow limitations in the iliac arteries. These flow limitations may be caused by a vascular lumen narrowing due to endofibrotic thickening of the intima and/or by kinking of the vessels. In some athletes, extreme vessel length contributes to this kinking. Endofibrotic ...
Vets Ph - - 2004
Carotid endarterectomy (CEA) is an appropriate treatment for carotid occlusive disease. The risk of stroke during CEA ranges from 1.1% to 7.5%. Shunting is usually advised when severe ischemia during cross-clamping of the internal carotid artery is suspected. Routine use of an intraluminal shunt may increase the perioperative stroke rate. ...
Ozkan Umit - - 2004
BACKGROUND: The blood supply to tissues is reduced as a result of arterial occlusions. Angiogenesis, collateral circulation and reverse flow mechanisms go into operation to restore a continued adequate supply of blood. Ca++ channels undertake the major part of this function. As a result of the increasing tension on the ...
Brown Martin M - - 2004
Endovascular treatment for carotid artery stenosis avoids some of the complications of carotid endarterectomy, but has not been widely accepted. Concerns about the risks and benefits of endovascular treatment led to the Carotid and Vertebral Artery Transluminal Angioplasty Study (CAVATAS). There was no difference in major outcome events between endovascular ...
Ravon Nicolas A - - 2003
BACKGROUND: Duplex ultrasonography (DS) is a frequently used noninvasive method for assessing carotid artery stenosis. The level of agreement between panoramic radiographs (PMX) findings of radiopacities in the area of C3-C4 and DS results has not been established. AIMS: (1) to examine the level of agreement between DS results and ...
Jensen S A - - 2003
AIM: To estimate the prevalence of asymptomatic arterial obstruction in the lower extremities in men and women 60 to 69 years of age. METHODS: A sample of 333 participants between 60 to 69 years of age attended a physical examination as part of a population based health study in Nord-Trøndelag ...
Belardi P - - 2003
AIM: Assessment of cerebrovasoreactivity (CVR), obtained by transcranial Doppler (TCD) and the acetazolamide test to predict cases requiring selective carotid shunting on the basis of neurologic monitoring. METHODS: A consecutive series of 87 carotid endarterectomy (CEA) cases was studied. Before surgery CVR was evaluated by measuring the mean velocity of ...
Freire Cerqueira N - - 2003
AIM: Diclofenac sodium is a non-steroidal anti-inflammatory drug commonly used to attenuate painful inflammatory reactions in surgery. However, it may delay healing in the skin and gastrointestinal tract. The aim of this study was to evaluate the influence of Diclofenac in vascular healing. METHODS: Ninety rabbits had their carotid arteries ...
Hobson Robert W RW - - 2003
Efficacy for carotid artery stenting (CAS) has not been confirmed by randomized clinical trial methodology. Although carotid endarterectomy (CEA) is considered the preferred method for carotid revascularization in the management of patients with asymptomatic and symptomatic extracranial carotid occlusive disease, comparisons between CAS and CEA are now underway. In North ...
Kasirajan Karthikeshwar - - 2003
The risk of embolization during carotid artery stenting (CAS) has been the foremost reason for the cautious acceptance of this percutaneous alternative to carotid endarterectomy. To address this issue, numerous embolic protection devices are being evaluated as an adjunct to CAS for neuroprotection. Among the 3 main categories of these ...
Huh Joseph - - 2003
PURPOSE OF REVIEW: The purpose of this review is to evaluate the current indications and results of treatment of combined coronary and carotid disease. Synchronous carotid stenosis in patients with coronary artery disease poses a management challenge in patients with advanced atherosclerosis. RECENT FINDINGS: Recent case series continue to demonstrate ...
Jahromi Babak S - - 2003
BACKGROUND: Seroepidemiological studies have shown an association between raised antibody titres against Chlamydia pneumoniae, and carotid atherosclerosis or stroke. However, direct evidence for a causal link between arterial infection with C. pneumoniae and carotid disease remains weak. We hypothesized that long-term follow-up of patients with pathologically-proven arterial C. pneumoniae infection ...
Gandhi Sanjay - - 2003
Strokes are the third leading cause of death in the United States. Carotid artery occlusive disease accounts for about 20% to 30% of all strokes. Carotid endarterectomy has been the traditional standard treatment for patients with significant carotid artery disease. However, surgical therapy is associated with significant complications. Carotid angioplasty ...
Lauder C - - 2003
This study was undertaken to determine outcome and durability of internal carotid artery bypass grafting with saphenous vein. Data for 50 patients undergoing serial clinical and ultrasound surveillance were collected prospectively and analyzed retrospectively. Bypass grafting was performed in 50 patients between 1995 and 2002, the commonest reasons being excessive ...
Soinne L - - 2003
BACKGROUND: Patients with unilateral high-grade carotid stenosis or occlusion have been reported to have more leukoaraiosis and ischemic lesions in ipsilateral than in contralateral cerebral hemisphere. The lesions alter apparent diffusion coefficient (ADC) values in diffusion-weighted MRI (DWI). The overall effects of carotid endarterectomy on ADC values have not yet ...
Bush Ruth L - - 2003
To describe a successful neurorescue technique in a patient with generalized seizures followed by hemiparesis immediately after carotid artery stenting (CAS) for a postsurgical restenosis. A 65-year-old man with a symptomatic recurrent high-grade carotid stenosis after carotid endarterectomy was treated with CAS. The procedure was complicated by sudden transient ischemic ...
Connolly J E - - 2003
Carotid endarterectomy is one of the most common vascular and neurosurgical operations. Controversies regarding its indications and safety have required several decades before general resolution, while its methodology is still debated. The first operations are described with particular emphasis on the epic successful procedure in 1954 by Eastcott and Rob. ...
Darling R Clement RC - - 2003
PURPOSE: Recurrent carotid stenosis following standard longitudinal carotid endarterectomy (s- CEA), with and without patch angioplasty, effects the durability of the procedure and can lead to reintervention. The purpose of this study is to evaluate the incidence of restenosis following eversion carotid endarterectomy (e-CEA) in women. METHODS: The records of ...
Roberts William Clifford - - 2003
Analysis of 486 patients who underwent carotid endarterectomy from January 1996 to June 2002 showed similar mean ages in the 269 men and 217 women, whereas the reported mean ages at the time of abdominal aortic aneurysmal resection and at the time of coronary artery bypass grafting were usually significantly ...
Ogasawara Kuniaki - - 2003
OBJECT: The purpose of this study was to determine whether the preoperative measurement of acetazolamide-induced changes in cerebral blood flow (CBF), which is performed using single-photon emission computerized tomography (SPECT) scanning, can be used to identify patients at risk for hyperperfusion following carotid endarterectomy (CEA). In addition, the authors investigated ...
Aharon-Peretz J - - 2003
Cognition and the effects of carotid endarterectomy (CEA) were evaluated in 22 non-demented subjects with vascular risk factors (VRF) and asymptomatic severe carotid artery stenosis (ASCAS), 14 volunteers with VRF but without stenosis, and 24 healthy controls (HC) without VRF. Non-demented subjects with VRF, with or without carotid stenosis scored ...
Lin Peter H - - 2003
Carotid endarterectomy has been the mainstay of therapy for carotid occlusive disease in stroke prevention. Recent advances in endovascular technology has made carotid angioplasty and stenting a therapeutic modality in the treatment of carotid occlusive disease. The enthusiasm for this minimally invasive carotid intervention is hampered by the possibility of ...
Buschmann Ivo R - - 2003
BACKGROUND: Colony-stimulating factors (CSFs) have been shown to effectively induce arteriogenesis in the hindlimb. Moreover, clinical trials demonstrated positive effects of CSFs on arteriogenesis in patients with coronary artery disease. However, patients with cerebrovascular disease have not yet profited from treatments aimed at the growth of brain vessels. Thus far, ...
Chakhtoura Elie Y - - 2003
PURPOSE: To present management techniques for dealing with mobile floating carotid plaque (MFCP), which represents an indeterminate risk of embolic cerebrovascular events. CASE REPORTS: Two high-risk patients with a history of carotid endarterectomy were diagnosed with MFCP by duplex ultrasound scanning. One patient had a left hemispheric transient ischemic attack ...
Nakamura Yoshitsugu - - 2003
OBJECTIVES: Carotid artery disease is one of the important factors of neurological complications after cardiac surgery. In this study we present our surgical experience and discuss its implication for patients with carotid and cardiac disease. METHODS: Five patients underwent combined carotid endarterectomy (CEA)/cardiac surgery including thoracic aortic repair. There were ...
Bandyk D F - - 2003
Management of patients with advanced atherosclerosis involving the extra-cranial carotid and coronary arteries should be individualized based on symptoms and disease severity. A liberal policy to identify high-grade carotid stenosis using duplex ultrasound testing prior to coronary revascularization is recommended. Carotid intervention is efficacious for stroke reduction in patients with ...
Fukuda H H Department of Neurosurgery, National Cardiovascular Center, Osaka; Japan - - - 2003
The purpose of this study was to evaluate the efficacy and safety of staged carotid stenting (CS) and carotid endarterectomy (CEA) for bilateral internal carotid artery stenosis. With this strategy, initial carotid stenting was performed for the high grade carotid stenosis to reduce the risk of subsequent CEA. Eight patients ...
Alipov N N - - 2003
The relationships between dromotropic and chronotropic components of five reflexes were studied in rabbits: intravenous and intraarterial blood injections, occlusion of the carotid arteries, Aschner maneuver, and stimulation of depressors. All these stimuli reduced heart rate (except carotid artery occlusion, which induced approximately equal number of tachi- and bradycardic responses). ...
Crossman John - - 2003
Stroke is a major cause of disability within the western world. About 20% of strokes are a consequence of atheromatous narrowing of the origin of the internal carotid artery. Carotid endarterectomy has been shown to be an effective treatment for those with symptomatic and severe stenosis, provided the risk of ...
Nuri Muhammad - - 2003
Several well-controlled randomized trials have demonstrated the efficacy of carotid endarterectomy for prevention of stroke in patients with symptomatic, severe (> 70%) internal carotid artery stenosis. This benefit has resulted in a significant increase in the number of carotid endarterectomies performed annually. However, the benefit of carotid endarterectomy depends on ...
Ascher E - - 2003
PURPOSE: previously we routinely performed endarterectomy of the external carotid artery (ECA) during carotid surgery. However, discouraging experience and lack of supportive data in the literature made us question its necessity. The present report describes our experience with a modified carotid endarterectomy (CEA) technique where the ECA is left undisturbed ...
Müller-Hülsbeck Stefan - - 2003
PURPOSE: To compare the effectiveness of five basic cerebral protection devices designed for carotid angioplasty in an in-vitro bench-top model. MATERIALS AND METHODS: Simulation of embolization from carotid angioplasty (n = 180) was performed with polyvinyl alcohol (PVA) particles (Contour; 150-1,000- micro m) in an open flow model simulating the ...
Serhatlio─člu Selami - - 2003
In this study, Doppler signals recorded from the output of carotid artery of 30 patients were transferred to a personal computer (PC) by using a 16-bit sound card. Doppler difference frequencies were recorded from each of the patients, and then analyzed using fast Fourier transform (FFT) and least squares autoregressive ...
Vitali E - - 2003
BACKGROUND: The management of patients with simultaneous coronary artery and carotid artery disease is still controversial. METHODS: A retrospective review of the records and follow-up data of 139 consecutive patients undergoing simultaneous coronary artery bypass graft and carotid endarterectomy from 1981 to 1999 was carried out. RESULTS: Early mortality was ...
Yoshimoto Tetsuyuki - - 2003
A 56-year-old male presented with thrombus formation manifesting as cerebral embolic infarction suspected to be caused by hemostasis at the carotid bifurcation, not by the intimal abnormalities or hematological disorders. Thrombus repeatedly and reproducibly appeared at the same area in spite of carotid endarterectomy (CEA). Ultrasonography demonstrated a stenotic lesion ...
Leisch Franz - - 2003
Carotid sinus reactions (CSR), defined as asystole >/= 3 sec and hypotension (systolic blood pressure </= 90 mm Hg), are frequent events during carotid artery stenting (CAS). Factors predisposing a patient to CSR as well as the impact of CSR on periprocedural complications have not yet been investigated in a ...
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