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Sidhu Manrita - - 2008
Bronchial artery bleeding is the most common cause of life-threatening hemoptysis. The most common underlying etiologies include tuberculosis, bronchiectasis, aspergillosis, and cystic fibrosis. Bronchial artery embolization is an important treatment for significant hemoptysis, given its high early success rate and relatively low risk compared with alternative medical and surgical treatments. ...
Krings T T From the Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto Western Hospital, Toronto, Ontario, Canada - The Service de Neuroradiologie Diagnostique et Thérapeutique, Hôpital de Bicetre, Le Kremlin-Bicetre; Paris, France - The Departments of Neuroradiology and Neurosurgery, University Hospital Aachen; Germany - - - 2008
The pathogenesis of intracranial arterial aneurysms (AA) has been debated for many years and still remains unclear, although these entities might pose life-threatening risks to the patient and understanding the disease is of utmost importance for choosing treatment concepts. Apart from the "classical" berry-type aneurysm, there are different other types ...
Szikora I I National Institute of Neurosurgery; Budapest, Hungary - - - 2008
Abstract: To summarize the theoretical background and existing technical achievements of flow modification techniques in the treatment of intracranial aneurysms. The evolution of the concept of flow modification for aneurysm treatment is overviewed within the published literature on application of stents for aneurysms. The newest achievements using dedicated flow modifying ...
Kim In-Young - - 2008
We describe for the first time a case of intracranial tuberculoma with adjacent intracerebral inflammatory aneurysms, and include a brief discussion of the developmental mechanism of these pathologies. A 28-year-old woman presented with a history of intermittent seizure attacks. She had been diagnosed as having pulmonary tuberculosis 1 year previously, ...
Koffijberg Hendrik - - 2008
OBJECT: The annual rate of rupture of intracranial aneurysms is often assumed to be constant, but it is unknown whether this assumption is true. Recent case reports have suggested that aneurysms grow fast in a short period of time. The authors of the present report investigated the plausibility of a ...
Vajramani Girish V - - 2008
We report a case of spontaneous subdural haematoma due to ruptured intracranial infectious aneurysm, presenting with bilingual aphasia and illustrating differential language recovery. A 62-year-old right-handed bilingual gentleman, with a diagnosis of infective endocarditis, developed headache and became expressively aphasic in the English language. Three days later he was receptively ...
Schonfeld Amy Rothman - - 2008
Up to 5% of the population may have an intracranial aneurysm, although many of these people are unaware of its presence. Most intracranial aneurysms remain asymptomatic, but a small proportion of them will rupture and bleed, causing life-threatening complications. Once diagnosed, treatment of aneurysms may include surgery or a minimally ...
Prabhakar Hemanshu - - 2008
In neurosurgical practice, extradural or subgaleal drains are commonly placed and connected to a vacuum system. Several reports have described severe bradycardia or arterial hypotension, or both, after connection of negative suction pressure to the extradural or epicranial drains following craniotomy. We encountered an unusual complication with the use of ...
Parkinson Richard J - - 2008
The treatment of giant aneurysms remains a formidable challenge for endovascular and surgical strategies. The use of endovascular techniques in a deconstructive (e.g., parent vessel occlusion) and reconstructive (e.g., stent coiling) methodology is reviewed. The results of endovascular coiling as a primary therapy for giant aneurysm occlusion have been disappointing. ...
Kwag Hyun-Jeong - - 2008
This study evaluated the changes in blood flow velocity in the anterior and posterior intracranial circulations according to the progression of moyamoya disease in adult patients. We evaluated Suzuki's angiographic stage and mean blood flow velocity (MBFV) changes in intracranial vessels from both sides in 19 adult moyamoya patients. We ...
Laforêt P - - 2008
BACKGROUND: Strokes related to intracranial aneurysm or arteriopathy have been reported in a few patients with late-onset Pompe disease. These reports suggested that cerebral vessel involvement could be an underrecognized complication of this disease. METHODS: We report cerebral artery involvement in three French patients with late-onset Pompe disease. RESULTS: The ...
Kawarada Osami - - 2008
Intracranial stenting, with or without balloon angioplasty, has emerged as an effective alternative to medical therapy for intracranial atherosclerosis. However, this strategy appears to involve the potential risk of distal embolization, which may lead to disability and death. Here, the authors have described a successful case of distal balloon-protected intracranial ...
Ford Matthew D - - 2008
Computational fluid dynamics (CFD) modeling of nominally patient-specific cerebral aneurysms is increasingly being used as a research tool to further understand the development, prognosis, and treatment of brain aneurysms. We have previously developed virtual angiography to indirectly validate CFD-predicted gross flow dynamics against the routinely acquired digital subtraction angiograms. Toward ...
Takao Hidemasa - - 2008
RATIONALE AND OBJECTIVES: To evaluate the potential benefits, harms, and cost-effectiveness of screening for asymptomatic, unruptured intracranial aneurysms in family members of patients with aneurysmal subarachnoid hemorrhage (SAH). MATERIALS AND METHODS: Using a Markov model, we performed a decision and cost-effectiveness analysis comparing magnetic resonance (MR) angiography screening for asymptomatic, ...
Eddleman Christopher S - - 2008
OBJECTS: Infectious intracranial aneurysms present a treatment challenge in the pediatric population. Current endovascular strategies and tools have been developed, which make treatment of infectious intracranial aneurysms with liquid embolics safe and effective. This study reviews the use of the liquid embolic Onyx in the treatment of infectious intracranial aneurysms ...
Chihara Yasuhiro - - 2009
It is extremely rare that nonsaccular intracranial aneurysms are located at the cerebellopontine angle. A 60-year-old woman presented with dizziness and left-sided sensorineural hearing loss that had developed gradually for 6 months. Magnetic resonance imaging scan and magnetic resonance angiography revealed that the basilar artery was ectatic and markedly displaced ...
Surdell Daniel L - - 2009
BACKGROUND: Although extracranial carotid dissection with stroke is common, intracranial dissection with stroke is rare. Stenting has been used to treat extracranial carotid dissections. Intracranially, however, it is only recently that stents have become a feasible option for this disease. We present a case of a spontaneous intracranial CAD with ...
Kannoth S - - 2008
BACKGROUND: We propose a set of criteria for diagnosis of intracranial infectious aneurysm (IA). The proposed diagnostic criteria contain a mandatory criterion (demonstration of intracranial aneurysm by neuroimaging) and 12 supportive criteria drawn from three domains. Domain A encompasses infection, such as infective endocarditis, meningitis, cavernous sinus thrombophlebitis or orbital ...
Bor A Stijntje E - - 2008
BACKGROUND: The reasons for development of intracranial aneurysms are unknown; hemodynamic factors may play an important role in this process. We performed a cohort study to further elicit the role of intracranial arterial geometry. METHODS: We compared the original CTA/MRA of the circle of Willis of 26 patients who developed ...
Catrambone Jeffrey E - - 2008
BACKGROUND: Heidelberg Retina Tomograph is a scanning laser ophthalmoscope that is routinely used for the assessment and serial measurement of optic nerve morphology and nerve fiber layer anatomy in the setting of elevated intraocular pressure typically encountered in glaucoma. Recent studies have explored the use of this device in the ...
Bhuriya Rohitkumar - - 2008
Fibromuscular dysplasia (FMD) is an arterial disease of unknown etiology. Most often it affects the renal and internal carotid arteries (ICA), although any artery can be involved. Internal carotid arteries are affected in 25-30% of patients. When carotid arteries are involved, cervical segments C1-C2 are most often affected. FMD of ...
de Oliveira Jean G - - 2008
Double fenestration of the anterior communicating artery (ACoA) complex associated with an aneurysm is a very rare finding and is usually caused by ACoA duplication and the presence of a median artery of the corpus callosum (MACC). We present a patient in whom double fenestration was not associated with ACoA ...
Alibai E A - - 2008
The occurrence of tension pneumocephalus following intracranial aneurysm surgery is a rare event. Here, we present a case of extradural tension pneumocephalus following pterional craniotomy for the treatment of intracavernous internal carotid artery aneurysm. It has been caused by a fistulous communication between the posterior wall of the frontal sinus ...
Wang Y Y - - 2008
Carotid occlusion is a therapeutic intervention for specific intracranial vascular conditions, including giant, traumatic and intracavernous aneurysms. The long-term complications include de novo aneurysm formation at a distant site due to hemodynamic changes in the circle of Willis. The time frame for de novo aneurysm formation has been described in ...
Helgadottir Anna - - 2008
Recently, two common sequence variants on 9p21, tagged by rs10757278-G and rs10811661-T, were reported to be associated with coronary artery disease (CAD) and type 2 diabetes (T2D), respectively. We proceeded to further investigate the contributions of these variants to arterial diseases and T2D. Here we report that rs10757278-G is associated ...
Holscher Thilo - - 2008
BACKGROUND: To test whether portable duplex ultrasound devices can be used in a prehospital '911' emergency situation to assess intracranial arteries. METHODS: Non-contrast-enhanced transcranial duplex ultrasound studies were performed either immediately at the site of the emergency (i.e. private home) or after transfer into the emergency helicopter/ambulance vehicle. RESULTS: A ...
Semmler Alexander - - 2008
BACKGROUND: Impaired homocysteine metabolism is associated with a number of vasculopathies including extracranial aneurysms. We analyzed the possible association of nine genetic variants of homocysteine metabolism with the occurrence of intracranial aneurysms. METHODS: Caucasian patients (n = 255) treated at two German hospitals for intracranial aneurysms and local controls (n ...
Takahashi Wakoh - - 2008
BACKGROUND: It remains unclear whether high-sensitivity CRP (hs-CRP) is predictive of atherosclerosis in the intracranial artery. The aim of this study is to assess the role of hs-CRP in asymptomatic intracranial artery occlusive diseases. METHODS: Of the 3,366 apparently healthy subjects who received a brain checkup, 138 with > or ...
Hoshino Atsushi - - 2008
OBJECTIVE: We have recently reported the prevalence of subclinical cardiovascular diseases and the association between the presence of subclinical coronary artery disease (CAD) and vascular risk factors in ischemic stroke patients. The relationship between the presence of subclinical CAD and elements of brain ischemia including intracranial artery stenosis, silent brain ...
Forster Hubert V - - 2008
Both carotid and intracranial chemoreceptors are critical to a normal ventilatory CO2-H+ chemosensitivity. At low levels of hypercapnia, the carotid contribution is probably greater than the central contribution but, at high levels, the intracranial chemoreceptors are dominant. The carotid chemoreceptors are also critical to maintaining a stable and normal eupneic ...
Titlic M - - 2008
Vertebrobasilar dolichoectasia is defined as an increase in the length and diameter of the intracranial arteries. Clinical manifestations of dolichoectasiae result from compression of the cranial nerves and structures of the brain stem, turbulent flow causing tinnitus and vertigo, often with damages of small blood vessels of the brain. Dolichoectasia ...
Oh Yoon-Sang - - 2008
BACKGROUND: The management and clinical prognosis of incidental intracranial aneurysms in acute ischemic stroke patients have been understudied. We investigated the clinical outcome of acute ischemic stroke subjects with incidentally found intracranial aneurysms. METHODS: We consecutively included acute ischemic stroke patients within 7 days of onset. Their demographics, risk factors, ...
Karmonik Christof - - 2008
OBJECTIVE: Computational Fluid Dynamic (CFD) is increasingly being used for modeling hemodynamics in intracranial aneurysms. While CFD techniques are well established, need for validation of the results remains. By quantifying features in velocity patterns measured with 2D phase contrast magnetic resonance (pcMRI) in vivo and simulated with CFD, the role ...
Vaid Vivek Kumar - - 2008
INTRODUCTION: Intracranial aneurysms are extremely uncommon in the pediatric population. Their epidemiology is poorly understood, and certain features make them unique. In our study we analyzed pediatric intracranial aneurysm patients to gain an insight into the epidemiology, clinicoradiological profile and outcome. MATERIAL AND METHODS: Out of 36 children (< or ...
Langer David J - - 2008
Excimer laser-assisted nonocclusive anastomosis (ELANA) has been developed over the past 14 years for assistance in the creation of intracranial bypasses. The ELANA technique allows the creation of intracranial-intracranial and extracranial-intracranial bypasses without the need for temporary occlusion of the recipient artery, avoiding the inherent risk associated with occlusion time. ...
Katz Stuart D - - 2008
Pulmonary arterial hypertension (PAH), characterized by increased pulmonary artery pressures in the absence of elevated pulmonary venous pressures, is a progressive disease associated with reduced exercise capacity and increased mortality risk. Current treatments for PAH include nonspecific vasodilators, prostacyclin and related analogs, and endothelin receptor antagonists. Since phosphodiesterase type 5 ...
Huh Pil-Woo - - 2007
Recently, intracranial atherosclerosis has become a major cause of ischemic stroke, appearing more frequently in Koreans than Caucasians. Symptomatic or asymptomatic intracranial atherosclerosis is a disease that could recur readily even during the treatment with anti-platelet agents. When the symptoms develop, ischemic stroke can not be recovered readily. Therefore, aggressive ...
Ozüm U - - 2008
BACKGROUND: The exact aetiology, growth and rupture of intracranial aneurysms is unclear. In this study we investigated a possible association between intracranial aneurysm rupture and polymorphism of the endothelial nitric oxide synthase gene G894T. METHODS: Endothelial nitric oxide synthase gene polymorphism of 53 patients with ruptured intracranial aneurysms and 60 ...
Locatelli M - - 2008
A 63-year-old man was admitted to our emergency unit complaining headache, vomit and vertigo. A MR of the brain showed an expanding lesion within the sellar region. A subsequent angio-MR excluded any intracranial vascular malformations. Surprisingly, a cerebral angiography performed later on the basis of worsening of neurological signs and ...
Kang Hyun-Seung - - 2008
INTRODUCTION: Infectious intracranial aneurysms in infantile period are very rare, and there is no report of infectious intracranial aneurysm in preterm infant CASE REPORT: A 43-day-old female infant, delivered at 29 weeks of gestation, presented with massive intracranial hemorrhage. Eighteen days after diagnoses of necrotizing enterocolitis, sepsis, and meningitis, the ...
Darsaut T E - - 2007
BACKGROUND: Endovascular therapy (ET) is infrequently used in the setting of acute penetrating intracranial trauma. METHODS: We report a case where ET was used immediately prior to and following removal of an embedded intracranial knife, which was found to be disrupting the anterior cerebral artery. RESULTS: The proximal vessel was ...
Chang Shih-Heng - - 2008
Infectious intracranial aneurysms (IIAs) are uncommon but severe complications of bacterial endocarditis. We report a case of IIA due to a rare nutritionally variant streptococcus, Granulicatella adiacens. The 31-year-old young patient, without any known risk for infective endocarditis had a silent clinical course until rupture of IIAs occurred. Despite antibiotic ...
Sharma Vijay K - - 2007
BACKGROUND AND PURPOSE: Intracranial arterial stenosis increases flow velocities on the upslope of the Spencer's curve of cerebral hemodynamics. However, the velocity can decrease with long and severely narrowed vessels. We assessed the frequency and accuracy for detection of focal and diffuse intracranial stenoses using novel diagnostic criteria that take ...
Göksu E - - 2007
Isolated abducens nerve palsies associated with intracranial aneurysms have rarely been reported. Their association with anterior communicating artery (ACoA) is even rarer. Intracisternal clot formation and elevated intracranial pressure has been proposed to be the responsible mechanisms. Herewith, we report two cases of bilateral abducens palsies following ruptured ACoA aneurysms ...
Muench Elke - - 2007
In patients with complex intracranial aneurysms or skull base tumors, parent vessel occlusion and flow replacement by high-flow bypass surgery is a demanding therapy, both for the neurosurgeon and the neuroanesthesiologist. One reason for this is the need for prolonged temporary occlusion of a major cerebral artery, which carries a ...
Lesley Walter S - - 2007
OBJECTIVE: Double origin of the posterior inferior cerebellar artery (PICA) is a congenital anomaly in which the PICA forms from two separate vessels arising from the vertebral artery. The prevalence of double origin of the PICA on catheter angiography is unknown because only four case reports have been published. Because ...
Valença Marcelo Moraes - - 2007
In the present study we describe the cases of two patients with cluster-like headache related to intracranial carotid artery aneurysm. One of these patients responded to verapamil prescription with headache resolution. In both cases the surgical clipping of the aneurysm resolved the cluster pain. These findings strongly suggest a pathophysiological ...
Lu C-H - - 2007
OBJECTIVES: Tuberculous and cryptococcal meningitis are two of the most common types of chronic meningitis. The study was performed to assess whether the occurrence of intracranial arterial stenosis is a risk factor for poor outcome in tuberculous and cryptococcal meningitis. METHODS: The clinical relevance of intracranial arterial stenoses in tuberculous ...
Ring T T Department of Nephrology, Aalborg Hospital, Aalborg, Denmark. - - 2007
Patients with autosomal-dominant polycystic kidney disease (ADPKD) carry an increased risk of developing intracranial aneurysms. Bleeding from these sites is a significant complication with the events reported to cluster in some families. In this study we determined if individualized risk of aneurysm rupture can be estimated based on family history ...
Khan Fauzia Anis - - 2007
OBJECTIVE: To see if PETCO2 reflects PaCO2 with acceptable accuracy. METHODS: In this audit the.anaesthetic chart of fifty consecutive patients, age 12 years and above undergoing craniotomy for intracranial pathology, were reviewed. RESULTS: The difference between end tidal carbon dioxide (ETCO2) value corresponding to the time of taking the arterial ...
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