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Results 251 - 300 of 1499
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Nagamine Wayde H - - 2009
BACKGROUND: The distinction between lesions of the deep parotid space and those of the carotid space has been greatly facilitated by cross-sectional imaging, particularly magnetic resonance imaging (MRI), due to 1) good assessment of parapharyngeal fat displacement, and 2) reliable and consistent identification of the carotid artery. While masticator space ...
Gibson T J - - 2009
AIM: To investigate the ability of non-penetrative captive-bolt stunning delivered after ventral-neck incision to ameliorate responses to noxious stimulation associated with slaughter by ventral-neck incision in halothane-anaesthetised calves. METHODS: Seven calves were minimally anaesthetised with halothane, using an established anaesthesia protocol. Electroencephalographic (EEG) indices of cerebrocortical activity were measured in ...
Mangialardi N - - 2009
AIM: The aim of this study was to evaluate the usefulness of the temporal approach during coronary artery stenosis (CAS) to overcome tortuosity in case of difficult arch anatomy or tortuous common carotid artery, and to provide cerebral protection of proximal lesions of the supra-aortic trunks during stenting. METHODS: The ...
Tsurumi A A Department of Neurosurgery, Nagoya University Graduate School of Medicine; Nagoya, Japan - - - 2009
Periprocedural hypotension, which frequently occurs during carotid artery stenting (CAS), is an important risk factor for complications such as stroke or death after CAS. To determine if a scoring model can be established to predict periprocedural hypotension (systolic blood pressure < or = 90 mm Hg) and prolonged periprocedural hypotension ...
Shoja Mohammadali M - - 2009
Ibn Sina, known as Avicenna in the West, was a celebrated Persian thinker, philosopher, and physician who is remembered for his masterpiece, The Canon of Medicine. The Canon that served as an essential medical encyclopedia for scholars in the Islamic territories and Europe for almost a millennium consisted of 5 ...
Qin R-F - - 2009
Carotid body tumors (CBT) are rare neoplasms arising from the small chemoreceptor organ in the adventitia of the common carotid bifurcation. A retrospective survey was conducted in 33 patients, treated by curative resection of the neoplasm, from 1980 to 2005, to investigate clinical features, preoperative treatment and surgical approach, and ...
Komine Hidehiko - - 2009
Endurance exercise training increases arterial baroreflex sensitivity that corresponds to alteration in vessel wall compliance of the carotid artery in elderly men. Here, we examined whether regular endurance exercise increases arterial baroreflex sensitivity through neural alteration of the baroreflex arc in young men. We assessed arterial baroreflex sensitivity in eight ...
Sapienza P - - 2009
OBJECTIVES: This study aimed to determine whether the plasma levels of matrix metalloproteinases (MMPs)-2 and -9 and their specific inhibitors (tissue inhibitors of metalloproteinases (TIMPs-1 and -2)) were altered in patients with symptomatic and asymptomatic, severe, recurrent carotid artery stenosis. PATIENTS: Fifty-two patients (out of a total of 621) who ...
Sztriha Laszlo K - - 2009
While stroke is a known cause of a cognitive impairment, the relationship between a carotid artery stenosis and the cognitive function in individuals without a history of stroke is less clear. A number of risk factors for vascular disease are related to a cognitive impairment. Hypertension, diabetes mellitus, cigarette smoking, ...
Mangialardi N - - 2009
AIM: The aim of this study was to evaluate the usefulness of the temporal approach during coronary artery stenosis (CAS) to overcome tortuosity in case of difficult arch anatomy or tortuous common carotid artery, and to provide cerebral protection of proximal lesions of the supra-aortic trunks during stenting. METHODS: The ...
Romero José R JR Department of Neurology, Boston University School of Medicine, Boston, MA 02118, USA. - - 2009
Carotid atherosclerosis has been associated with increased risk of stroke and poorer cognitive performance in older adults. The relation of carotid atherosclerosis to cognitive impairment and MRI indices of ischemia and aging in midlife is less clear. We studied 1975 Framingham Offspring Study participants free of stroke and dementia with ...
Friedlander Arthur H - - 2009
Radiation therapy (RT) is a component of the treatment of patients with head and neck malignancies. This therapy may damage the nearby carotid arteries, thereby initiating or accelerating the atherosclerotic process (atheroma formation). Dentists treating patients who have been irradiated should examine the patient's panoramic radiograph for evidence of atheroma-like ...
Arslan Bulent - - 2009
Significant advances in the technology and techniques in the field of endovascular thoracic and abdominal aortic aneurysm repair have been made since its introduction in the early 1990s. The low incidence of periprocedural complications combined with comparable early outcomes to open surgery have made the endovascular treatment option the first ...
Kim TaeHong - - 2009
OBJECTIVE: To review the surgical anatomy of the hypoglossal nerve in the neck, analyse its relationship to surrounding structures and offer landmarks to identify the nerve during carotid endarterectomy. METHOD: The carotid bifurcation, external carotid artery, internal carotid artery, extracranial part of the hypoglossal nerve, occipital artery, sternocleidomastoid artery and ...
Taguchi Eiji - - 2009
We report the case with type A acute aortic dissection that vascular echo disclosed a free-floating thrombus in the right common carotid artery.
Kohonen Mika - - 2009
OBJECTIVES: Atherosclerosis is a systemic disease affecting several vessels of the body. Coronary artery patients requiring bypass surgery have increased prevalence of carotid artery atherosclerosis which is known to increase operative risk in coronary artery bypass surgery (CABG). Radial artery is often screened for grafting purposes preoperatively. Our aim was ...
Ames P R J - - 2009
BACKGROUND: Primary antiphospholipid syndrome (PAPS) is characterized by arterial and venous thrombosis, pregnancy loss, often recurrent, in the presence and persistence on antiphospholipid antibodies (aPL). The issue of early atherosclerosis, as evaluated by measuring carotid intima media thickness (IMT), associated with aPL, has been limitedly explored in PAPS. METHODS: In ...
Ratchford Elizabeth V - - 2009
Bradycardia may lead to an underestimation of carotid stenosis by duplex ultrasonography. An 83-year-old man with asymptomatic bradycardia was referred to our institution after magnetic resonance angiography revealed greater than 90% stenosis of the proximal left internal carotid artery (ICA). Two separate carotid duplex examinations were subsequently performed at different ...
Pons Yoann - - 2009
ABSTRACT: INTRODUCTION: Managing advanced head and neck cancer is often a difficult task, particularly when massive invasion of the carotid artery is present. However, en bloc resection can be a curative procedure, and reconstruction of the carotid artery limits the risk for stroke. The aim of this study was to ...
Baumann Marcus - - 2009
BACKGROUND: Nepsilon-carboxymethyllysine (CML) is the major non-cross linking advanced glycation end product (AGE). CML is elevated in diabetic patients and apparent in atherosclerotic lesions. AGEs are associated with hypertension and arterial stiffness potentially by qualitative changes of elastic fibers. We investigated whether CML affects carotid and aortic properties in normoglycemic ...
Gasparyan Armen Yuri - - 2009
B-mode ultrasonography of the carotid artery is a non-invasive, informative and reproducible technique used for the assessment of prevalence and course of atherosclerosis in a variety of clinical conditions. Visualization of intima-media complex, atherosclerotic plaques, rough arterial wall and calcifications of the carotid artery may be useful for the assessment ...
Hughes Melissa - - 2009
Long-term complications from deep vein thrombosis, such as post-thrombotic syndrome and chronic venous insufficiency, can result in significant morbidity for the affected patient. Although anticoagulation has been the conventional method of treatment, the benefit of thrombus burden removal cannot be underestimated. The present case report describes the successful treatment of ...
Nadig Shri - - 2009
BACKGROUND: Pseudoneurysms of the carotid artery are rarely encountered in clinical practice. When encountered they are most likely secondary to acute neck trauma, and involve the internal carotid. External carotid artery involvement is very rare. METHODS: We report a case of an external carotid aneurysm following a neck dissection review ...
Artunay Ozgur - - 2009
Retinal artery occlusions are usually the result of emboli, although non-embolic causes such as vasculitides, coagulopathies, and vasospasms resulting from migraines and inflammatory conditions do occur. Bevacizumab, a humanised monoclonal antibody, is designed to bind to and inhibit vascular endothelial growth factor (VEGF). VEGF is a protein that plays a ...
Forte Amalia - - 2009
Vascular surgery aimed at stenosis removal induces local reactions often leading to restenosis. Although extensive analysis has been focused on pathways activated in injured arteries, little attention has been devoted to associated systemic vascular reactions. The aim of the present study was to analyse changes occurring in contralateral uninjured rat ...
De Castro F - - 2009
Although the carotid body (or glomus caroticum) was a structure familiar to anatomists in the XVIIIth century, it was not until the beginning of the XXth century that its role was revealed. It was then that the German physiologist Heinrich Hering described the respiratory reflex and he began to study ...
Freire Cláudia Maria Vilas - - 2009
The measurement of carotid intima-media thickness (cIMT) has been used as a marker of arterial wall disease. Manual measurements have been performed in most epidemiological studies, but, due to the introduction of new technologies, automated software has been increasingly used. This study aimed to compare manual versus automated cIMT measurements ...
de Castro Fernando - - 2009
The carotid body or glomus caroticum is a chemosensory organ bilaterally located between the external and internal carotid arteries. Although known by anatomists since the report included by Von Haller and Taube in the mid XVIII century, its detailed study started the first quarter of the XX. The Austro-German physiologist ...
Sanjari M Soltan - - 2009
AIM: To compare retrobulbar haemodynamics and ipsilateral carotid wall thickness of patients with unilateral non-arteritic anterior ischaemic optic neuropathy (NAION) with their contralateral side. METHODS: Seventeen patients with unilateral NAION participated in this study. By means of Colour Doppler imaging, the blood-flow velocities of the ophthalmic artery were measured. Intima-media ...
Miao Beiping - - 2008
OBJECTIVE: There are controversies on management of carotid artery invasion in advanced head and neck cancer. En bloc resection has been considered a curative modality. In this study, we evaluated the feasibility of using expanded polytetrafluoroethylene (ePTFE) in reconstructing the common carotid artery in patients with carotid artery invasion requiring ...
Pathak K Alok - - 2008
Carotid blow-out syndrome is the most dreaded complication in head and neck surgical oncology practice This article describes a simple technique of interposition of sternocleidomastoid muscle between pharynx and carotid sheath to isolate the latter from salivary contamination in the event of salivary leak. Authors have used this technique in ...
Kiotsekoglou Anatoli A Department of Cardiac and Vascular Sciences, St. George's, University of London, Cranmer Terrace, London, - - 2009
Fibrillin-1 deficiency, dysregulated cytokine transforming growth factor-beta, and increased collagen deposition related to fibrillin-1 gene mutations could predispose to impaired carotid compliance (CC) in Marfan syndrome (MFS). We sought to detect any alterations in CC using the vascular image analysis system (VIA). Thirty-two MFS patients, 20 men and 12 women ...
Homma Satoki - - 2009
To evaluate the effect of age and other risk factors for atherosclerosis on arterial blood velocity, carotid arteries in 179 healthy individuals ranging from 21 to 102 years old were examined using color Doppler ultrasonography. Velocity in common and internal carotid arteries decreased consecutively from young adults to very elderly ...
Das Pranab - - 2008
Carotid artery stenosis is often associated with advanced coronary artery disease. The coexistence of carotid and coronary artery disease adds complexity to the medical decision process and brings increasing challenge to the perioperative management of coronary artery bypass graft (CABG) surgery. Postoperative stroke remains one of the most devastating complications ...
Scanlon James M - - 2008
Management of highly vascular carotid body tumors can involve pre-operative percutaneous embolization before definitive surgical resection. This step reduces tumor size, reduces operative blood loss, and makes for a less hazardous dissection with the goal of reducing morbidity and mortality. The effectiveness of a recently described technique of interrupting vascular ...
Shariat M M Radiology Department, Hospital Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur, Malaysia. - - 2008
Post-radiation large vessel injury has not received as much attention as microvascular irradiation injury. A few studies have shown that common carotid intima-media thickness (IMT) is increased after radiotherapy to the head and neck. However, in most of these studies, the irradiated subjects also had other major risk factors for ...
Romero Jose R JR Department of Neurology, School of Medicine, Boston University, Boston, Massachusetts 02118-2526, - - 2008
We sought to relate circulating biomarkers of extracellular matrix turnover to site-specific measures of carotid artery atherosclerosis on duplex ultrasound. Matrix metalloproteinases (MMPs) and tissue inhibitors of MMPs (TIMPs) regulate extracellular matrix remodeling, a key feature of atherosclerosis, and their circulating concentrations can be assayed. MMP-9, TIMP-1, and protocollagen-III n-terminal ...
Lee E H - - 2009
Bispectral index (BIS) values derived from the left and right forehead are usually the same. We report on two patients with unilateral carotid artery stenosis in whom we observed differences between the BIS values obtained from sensors placed on each side of the forehead. During surgery, the BIS values of ...
Heffernan Kevin S - - 2008
Young African-American men have altered macrovascular and microvascular function. In this cross-sectional study, we tested the hypothesis that vascular dysfunction in young African-American men would contribute to greater central blood pressure (BP) compared with young white men. Fifty-five young (23 yr), healthy men (25 African-American and 30 white) underwent measures ...
Chitra, R
Variations in the position of the bifurcation of the common carotid artery and the origin or branching pattern of the external carotid artery are well known and documented. Here, we report the trifurcation of the right common carotid artery in a male cadaver aged about 55 years. The right common ...
Hearst Matthew J - - 2008
HYPOTHESIS: Development of the osseous petrous carotid canal is frequently incomplete. BACKGROUND: Although dehiscence of the carotid canal has been observed in previous studies, the frequency and extent of bony dehiscence have not been quantified. Inadvertent internal carotid artery injury occurs in 3 to 5% of skull base procedures, with ...
Kölbel Tilo - - 2008
We report a patient with a transient ischemic attack presumably caused by an entrapment of the internal carotid artery by the hyoid bone and without a significant carotid artery stenosis. The patient was operated on, with a release of the right internal and external carotid artery and resection of the ...
Shrestha U K - - 2008
Aneurysm of extracranial carotid artery is an uncommon clinical disease and that presenting as a ruptured aneurysm is extremely rare. This entity represents a challenge to treatment strategy. A 54 year old hypertensive male presented with painful, pulsatile mass in left neck. Duplex scan revealed the ruptured left carotid artery ...
Osawa Shigeyuki - - 2008
OBJECTIVE: The petrous segment of the internal carotid artery has been exposed in the transpetrosal, subtemporal, infratemporal, transnasal, transmaxillary, transfacial, and a variety of transcranial approaches. The objective of the current study was to examine anatomic features of the petrous carotid and its branches as related to the variety of ...
Massière Bernardo - - 2009
The surgical treatment of traumatic neck injuries in patients with hostile anatomy is associated with higher risk of complications, due to the technical challenge and associated clinical conditions. The use of a percutaneous closure device for removal of a 7.5 Fr sheath, nonintentionally implanted into the carotid artery, is reported. ...
Conoyer Ben M - - 2008
BACKGROUND: The course of the proximal common carotid artery is reasonably uniform. Its normal position is taken for granted when performing invasive procedures, but variations should be in back of the mind of the surgeon. METHODS: This is a case report from an anatomical dissection of the neck and mediastinum ...
Cayne Neal S - - 2008
Carotid artery interventions can be associated with adverse hemodynamic changes, including bradycardia and hypotension. These hemodynamic changes are believed to be caused by direct stimulation of the carotid sinus baroreceptors, mimicking normal physiological response to rises in blood pressure. During open carotid surgery, these hemodynamic changes can be controlled by ...
Stewart Rosalind M K - - 2008
To report a case of severe conjunctival-corneal melt in association with carotid artery stenosis. Observational case report. A 76-year-old man with a history of bilateral severe carotid artery occlusion and nonarteritic ischemic optic neuropathy developed a spontaneous bulbar conjunctival defect. Despite intensive lubrication, and attempts at surgical closure including an ...
Sfyroeras G S - - 2008
Patients with extracranial carotid atherosclerosis, either symptomatic or asymptomatic, demonstrate altered cerebral perfusion. Carotid revascularization procedures, such as carotid endarterectomy or stenting, aim mainly at stroke prevention from thromboembolic events, whereas their effects on cerebral perfusion, particularly those seen after carotid stenting, have not been extensively examined. Moreover, ischemia and ...
Szpinda M - - 2008
The rate of growth of the left common carotid artery during gestation has not been sufficiently evaluated. The present study was performed on 128 spontaneously aborted human foetuses aged 15-34 weeks to compile normative data for the dimensions of the left common carotid artery at varying gestational ages. Using anatomical ...
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