Search Results
Results 451 - 500 of 1497
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Longo G Matthew - - 2005
Carotid artery aneurysms are an uncommon but important problem. The available data suggests that, untreated, these aneurysms lead to neurologic symptoms from embolization. Pseudoaneurysms of the carotid artery result from injury or may be the long-term sequelae of a spontaneous carotid dissection. While open surgery has been the primary mode ...
Singh M - - 2005
Parapharyngeal abscess as a complication of cholesteatoma is an uncommon entity. Endopharyngeal common carotid artery rupture due to parapharyngeal abscess is also uncommon, and these cases usually end fatally. We present a 17-year-old male with parapharyngeal abscess due to cholesteatoma who developed an endopharyngeal common carotid blow out and survived ...
Song Angela Y - - 2005
The optimal diagnostic modality for extracranial carotid artery aneurysm is not firmly established because of the emerging trend of replacing traditional carotid angiography with magnetic resonance imaging and angiography. An extracranial carotid artery aneurysm can have profound neurologic sequelae, and an elective resection is often suggested. Imaging studies should firmly ...
Khaki A A - - 2005
Variations of the inferior alveolar artery are seemingly quite rare, especially with regard to its origin from the maxillary artery. We present an unusual case of an inferior alveolar artery that originated from the external carotid artery. To the best of our knowledge, our case is one of only two ...
Tahmasebpour Hamid R - - 2005
Ultrasonography (US) of the carotid arteries is a common imaging study performed for diagnosis of carotid artery disease. In the United States, carotid US may be the only diagnostic imaging modality performed before carotid endarterectomy. Therefore, the information obtained with carotid US must be reliable and reproducible. Technical parameters that ...
Wolff Birger - - 2005
The Glu(298)-->Asp (E298D; 894G-->T) polymorphism of eNOS (endothelial nitric oxide synthase) has been related with cardiovascular disease. In the present study, we investigated the association of Glu(298)-->Asp with atherosclerotic plaques in different carotid vessel segments and with carotid IMT (intima-media thickness). The Glu(298)-->Asp eNOS polymorphism was determined by 5'-exonuclease assay ...
Mlekusch Wolfgang - - 2005
The purpose of this review is to assess the impact of luminal restoring of carotid artery stenosis on cognitive functions. Therefore, papers dealing with the neuropsychological influence of carotid artery stenosis and studies comparing the neuropsychological course after respective recanalization have been included.
Labat Carlos - - 2006
In spontaneously hypertensive rats (SHR), carotid and aortic distensibilities measured at operational blood pressure (BP) are reduced. Increased body weight and mean arterial pressure (MAP) are both known to reduce distensibility independently. However, whether, after adjustment to body weight and mean BP, distensibility remains reduced in SHR has never been ...
Purkayastha Sukalyan - - 2005
Carotid basilar anastomoses can occasionally persist beyond the embryonic period. These anomalies are most often incidentally detected in adulthood, during workups for unrelated pathologies. Persistence of the proatlantal intersegmental arteries is a rare form of primitive carotid-basilar anastomoses. Bilateral proatlantal inter- segmental arteries are an extremely rare occurrence, of which ...
Kurata Mie - - 2005
The aim of this study was to clarify the magnitude of common carotid artery (CCA) structural and hemodynamic parameters on brain white and gray matter lesions in patients with essential hypertension (EHT). The study subjects were 49 EHT patients without a history of previous myocardial infarction, atrial fibrillation, diabetes mellitus, ...
Tanimoto Shuzou - - 2005
BACKGROUND AND PURPOSE: Prevalence of carotid artery stenosis in patients with coronary artery disease (CAD) is unknown in Japanese population. METHODS: The study populations consisted of 632 consecutive patients who underwent coronary angiography because of suspicion of CAD. All patients underwent carotid ultrasonography to screen carotid artery stenosis before coronary ...
Brown Paul D - - 2005
PURPOSE: To determine carotid artery stenosis incidence after radiotherapy for head-and-neck neoplasms. METHODS AND MATERIALS: This historical prospective cohort study comprised 44 head-and-neck cancer survivors who received unilateral neck radiotherapy between 1974 and 1999. They underwent bilateral carotid duplex ultrasonography to detect carotid artery stenosis. RESULTS: The incidence of significant ...
Arici Melih - - 2005
INTRODUCTION: Carotid endarterectomy (CEA) has become established as the preferred approach to the management of critical carotid stenosis. Carotid angioplasty with stenting (CAS) has recently arisen as an alternative in the treatment of carotid occlusive disease. This report describes our experience with carotid angioplasty applied to an unselected patient population ...
Geraghty Patrick J - - 2005
Lateralizing, repetitive transient ischemic attacks are characteristic of symptomatic carotid bifurcation atherosclerotic plaques. We report a case in which a cardiogenic embolus, after lodging at the left carotid bifurcation, produced crescendo episodes of expressive aphasia and mild right upper extremity weakness. Complete neurological recovery was achieved following emergent carotid embolectomy ...
Nonaka Tadashi - - 2005
OBJECTIVE: Stent placement for the treatment of carotid artery stenosis may cause hemodynamic instability that induces ischemic complications for patients with bilateral carotid lesions. We carried out this study to define predictors of persistent hypotension after carotid stenting. METHODS: Thirty-three lesions in 31 consecutive patients (mean age, 69.2 +/- 8.6 ...
Zümre Ozlem - - 2005
Variations in the position of the bifurcation of the common carotid artery (CCA) and the origin or branching pattern of the external carotid artery (ECA) are well known and documented. In this study, the bifurcation levels of the CCA and origin variations of the branches of the ECA have been ...
Kim Do-Yeon - - 2006
In this paper, we propose a fast and automated navigation path generation algorithm to visualize inside of carotid artery using MR angiography images. The carotid artery is one of the body regions not accessible by real optical probe but can be visualized with virtual endoscopy. By applying two-phase adaptive region-growing ...
Hofman Rutger - - 2005
Haemorrhage, throat pain and otalgia are common complications following tonsillectomy. Haemorrhage is rarely life-threatening but in this paper we describe a fulminant secondary haemorrhage due to an aberrant external carotid artery in an eight-year-old boy. Acute surgical intervention with ligation of the external carotid artery was needed to control the ...
Gaitini Diana - - 2005
OBJECTIVE: The goal of this review article is to present the state of the art in the clinical applications and technical performance and interpretation of carotid sonographic examinations. METHODS: Relevant publications regarding color and duplex Doppler sonography (CDDS) of the carotid arteries extracted from a computerized database (MEDLINE) and from ...
Rabb Craig H - - 2005
BACKGROUND AND PURPOSE: We report a management strategy for cerebral revascularization in a patient with an occluded common carotid artery by first performing a subclavian to external carotid artery bypass, followed by superficial temporal artery middle cerebral artery (STA-MCA) bypass. METHODS: The patient presented with symptomatic left hemispheric hemodynamic insufficiency, ...
Mersich Beatrix - - 2005
Systemic arterial compliance has been known to increase during healthy pregnancy, whereas, recently, the carotid artery has been reported to stiffen. To clarify this controversy, we simultaneously measured aortic PWV (pulse wave velocity) and carotid artery elastic parameters in a cohort of pregnant women. Twelve normotensive pregnant women were studied ...
Melgar Miguel A - - 2005
Medically refractory positional cerebral ischemia (PCI) and concomitant orthostatic hypotension associated with chronic common carotid artery (CCA) occlusion are rare. In this technical report, the authors describe an extracranial bypass in which the thyrocervical trunk was used as a donor vessel to treat three cases of CCA occlusion with PCI. ...
Jashnani Kusum D - - 2005
BACKGROUND: The non-invasive technique of measuring carotid artery intima-media thickness has generated considerable interest as a marker of atherosclerosis, particularly in predicting clinical coronary events and coronary artery disease. In the present study, a postmortem comparative analysis of intima-media thickness of carotid artery with coronary artery atherosclerosis has been carried ...
Schmittling Zachary C - - 2005
To determine intraobserver and interobserver variability of carotid arteriography interpretation as well as the reliability of simple visual interpretation (SVI) or "eyeballing" of arteriography in the measurement of internal carotid artery stenoses. Intraobserver and interobserver measurements of 200 carotid arteriograms were performed in a blinded fashion by two vascular surgeons ...
Rigatelli Gianluca - - 2005
PURPOSE: The association of internal carotid artery disease (ICAD) with aortic valve stenosis (AVS) constitutes a very high-risk clinical occurrence in which combined surgery may increase the operative risks and carotid stenting before or after cardiac surgery may be a valuable option. Unfortunately, in patients with AVS, the evaluation of ...
Martin Joseph D - - 2005
PURPOSE: To determine the prevalence of carotid artery stenosis in patients who have received ipsilateral head-and-neck radiotherapy and have no symptoms of cerebrovascular disease. METHODS AND MATERIALS: Forty patients underwent ultrasound and computed tomography angiography of their carotid arteries. The vessels on the irradiated side were compared with those on ...
Bater M C - - 2006
An unsuspected severely stenosed common carotid artery that compromised a free flap for mandibular reconstruction is described. To our knowledge no one has advocated the assessment of the carotid tree before transfer of free tissue. We suggest that patients with several risk factors for peripheral vascular disease should have colour ...
Langan Eugene M EM - - 2005
While most patients with carotid artery disease can safely undergo carotid endarterectomy based on duplex ultrasound alone, carotid angioplasty and stenting must, by its nature, be performed in conjunction with carotid arteriography. The techniques of carotid angiography are a necessary prerequisite to carotid intervention. The indications, technique, and results of ...
Brown Robert D - - 2005
Carotid angioplasty and stenting is an evolving technique in the treatment of patients with carotid occlusive disease who are at increased risk for carotid endarterectomy. The literature has largely focused on the short and long-term results of this novel procedure. Due to the involvement of multiple disciplines, all of whom ...
Ecker Robert D - - 2005
The purpose of this article is to describe several inadvertent perforations of external carotid artery branches that occurred in our laboratory during planned carotid artery stenting procedures. When known, the mechanism of the perforation is described. The treatment of these complications is discussed, along with a more general discussion of ...
Choi Eun Chang - - 2005
CONCLUSION: This method makes it possible to perform the ISVG simply and within a short time and, therefore, is very useful for shortening the duration to block circulation. OBJECTIVE: Complete excision of a malignant tumor which invades carotid artery walls essentially requires the resection and reconstruction of the carotid artery. ...
Angle Niren - - 2005
Although it has been clearly established that in certain groups of patients, such as in patients with symptomatic high-grade carotid stenosis and in selected asymptomatic patients with high-grade stenosis, carotid endarterectomy offers significant protection from stroke compared with medical therapy, the role of carotid stenting in this patients versus carotid ...
Rosvall M - - 2005
OBJECTIVES: To evaluate the incidence of coronary events (CE) and case fatality in relation to common carotid intima-media thickness (IMT) and carotid plaque over a median follow up of 7 years. SUBJECTS: A total of 5163 Swedish middle-aged men and women with no prior myocardial infarction and/or stroke. METHODS AND ...
Stakos Dimitrios A - - 2005
Previous studies have shown that type 1 diabetes mellitus (DM) is associated with cardiovascular abnormalities. Early detection and treatment of these abnormalities may help to prevent the natural progression of the disease. The present study was undertaken to define early cardiovascular abnormalities in children with type 1 DM. Simultaneous evaluation ...
Kocakoc Ercan - - 2005
PURPOSE: Erectile dysfunction (ED) is the persistent inability to achieve or maintain an erection sufficient for satisfactory sexual performance. Oral use of sildenafil citrate is effective in the treatment of ED. Although the effects of sildenafil citrate have been investigated in several systems, its effect on aortic, superior mesenteric (SMA), ...
Vicari E - - 2005
This research was carried out to evaluate the prevalence of carotid and/or lower limb artery abnormalities in patients with arterial erectile dysfunction (ED). To this end, patients with ED (Andrology Unit) or suspected peripheral atherosclerosis (Angiology Unit) underwent an independent and parallel echo-Duplex examination. The Andrology Unit examined 167 patients ...
Varghese A - - 2005
PURPOSE: To determine, in asymptomatic subjects, the inter-study reproducibility of a three-dimensional (3D) volume selective fast spin echo (FSE) cardiovascular magnetic resonance sequence for the assessment of carotid artery wall volume as a measure of atheroma burden. METHODS: Inter-study reproducibility was evaluated in 16 asymptomatic volunteers (10 male, 6 female). ...
Dijk Joke M - - 2005
AIMS: To study whether arterial stiffness is related to risk of new vascular events in patients with manifest arterial disease and to examine whether this relation varies between patients who differ with respect to baseline vascular risk, arterial stiffness, or systolic blood pressure (SBP). METHODS AND RESULTS: The study was ...
Xu Gao Feng - - 2005
Two patients with acute complete carotid bulb occlusion were treated using intra-arterial aspiration thrombectomy a mean of 3 hours after stroke onset. A slightly angulated 8-F guiding catheter designed for general interventional use was employed to aspirate the thrombus in the carotid artery. Manual aspiration through a 50-mL syringe resulted ...
Sugawara Jun - - 2005
A reduction in central arterial compliance has been identified as an independent risk factor for future cardiovascular disease. The aim of the present study was to determine the influence of age-related carotid arterial enlargement on carotid arterial compliance in postmenopausal females, using a cross-sectional study design. Carotid arterial properties were ...
Schulte-Altedorneburg Gernot - - 2005
OBJECTIVE: Five different calliper methods for assessing the degree of carotid artery stenosis and visual estimation ("eyeballing") of postmortem carotid arteriograms were compared with the planimetric gold standard of the area reduction at the site of the stenosis. METHODS: During autopsy 53 carotid specimens were removed in toto from 31 ...
Upile Tao - - 2005
Carotid artery rupture is fortunately an uncommon complication of head and neck cancer treatment. Eleven episodes of carotid artery rupture following irradiation and major head and neck resection were identified over a 6-year period. We review our experience and discuss the predisposing factors that can cause this complication, important aspects ...
Bots Michiel L - - 2005
BACKGROUND: It has been argued that lumen diameter of the common carotid artery should be taken into account in analyses on common carotid intima-media thickness (CIMT) and cardiovascular risk. Yet, no published report has dealt with this issue in detail. METHODS: In the Rotterdam study baseline ultrasound images of the ...
Seong Jaehoon - - 2005
The unique morphology of the adult human carotid bifurcation and its sinus has been investigated extensively, but its long-term, age-dependent development has not. It is important fundamentally and clinically to understand the hemodynamics and developmental forces that play a role in remodeling of the carotid bifurcation and maturation of the ...
Sprouse L Richard LR - - 2005
Clinical management of carotid disease is primarily based on results of national trials (ACAS and NASCET) that used the distal internal carotid artery diameter as a reference. However, commonly accepted ultrasound (US) criteria for carotid stenosis were derived from the correlation of velocity measurements with angiographic bulb diameter reductions (BDR). ...
Matturri Luigi - - 2005
BACKGROUND: Physiopathology of barochemoreception is hindered by the scarce information on its morphology in disease. The baroreflex is of major importance for the maintenance of arterial pressure during orthostatic stress. The purpose of this paper was to characterize the morphological alterations of carotid glomus in old patients who died from ...
Varghese Anitha - - 2005
PURPOSE: To assess the interstudy reproducibility of a three-dimensional volume-selective, fast spin echo (FSE) magnetic resonance technique for the assessment of carotid artery wall volume, which is a marker for total carotid plaque volume. MATERIALS AND METHODS: Interstudy reproducibility was evaluated in 10 subjects with evidence of carotid artery atherosclerotic ...
Altin Remzi - - 2005
PURPOSE: An increased intima-media thickness (IMT) in the carotid arteries is a marker of generalized atherosclerosis, and it has been associated with a high risk of stroke. The aim of this study was to investigate whether patients with obstructive sleep apnea syndrome (OSAS) have an increase in atherosclerotic indicators in ...
Wolfe Stacey Quintero - - 2005
Skull base tumors involving the carotid artery pose a difficult surgical challenge. The potential for bypass grafting for cerebral revascularization carries inherent risks but may aid in tumor resection and control in those who warrant carotid sacrifice but have inappropriate natural cerebrovascular reserve. We include a review of the literature ...
Chazono Hideaki - - 2005
CONCLUSION: The morbidity predicted by means of preoperative PET studies does not always correlate with the morbidity experienced after permanent carotid artery occlusion. A pre-resection extracranial-intracranial bypass may be necessary to reduce the risk of neurologic morbidity, in particular when carotid artery resection is planned for tumors involving the skull ...
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