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Results 201 - 250 of 1689
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Ellis Harold - - 2009
Harvey Cushing died 70 years ago, on 7 October, 1939, in his 71st year, of a myocardial infarction. He founded a school of neurosurgery whose disciples spread throughout the world, introduced the meticulous documentation of the clinical and pathological details of cerebral tumours, developed techniques of operative surgery which are ...
Oliveira João Victor Caprini - - 2009
Dilated cardiomyopathy is characterized by severe, progressive myocardial dysfunction that is, irreversible. That syndrome leads to cardiac remodeling with augmentation of left ventricle volume and sphericity, dilation of the mitral annulus and dislocation of papillary muscles that pulls up the mitral cords thereby restraining leaflet excursion. These biomechanical modifications generate ...
Lill C M - - 2009
Pituitary apoplexy followed by cerebral infarction is rare. We report a 59-year-old male with a known pituitary macroadenoma who was admitted to our emergency department for treatment of an acute myocardial infarction. He underwent coronary angioplasty and was subsequently treated with aspirin, clopidogrel and full-dose enoxaparin. He developed pituitary apoplexy ...
Abuchaim Décio Cavalet Soares - - 2009
The aim of this work was to analyze the dominance patterns of the circulation of the human heart, the number of branches from the right coronary artery to the left ventricle, the number of branches from the left coronary artery to the right ventricle and the frequency and location of ...
Lee Hyung - - 2009
BACKGROUND AND PURPOSE: To define the detailed spectrum of audiovestibular dysfunction in anterior inferior cerebellar artery territory infarction. METHODS: Over 8.5 years, we prospectively identified 82 consecutive patients with anterior inferior cerebellar artery territory infarction diagnosed by MRI. Each patient completed a standardized audiovestibular questionnaire and underwent a neuro-otologic evaluation, ...
Yamauchi Hiroshi - - 2009
BACKGROUND AND PURPOSE: Hemodynamic compromise due to atherosclerotic middle cerebral artery (MCA) disease may induce internal border-zone infarction and cortical neuronal damage. This study aimed to determine whether internal border-zone infarction is associated with increased oxygen extraction fraction (OEF) and a decrease in central benzodiazepine receptors (BZRs) in the overlying ...
Su Feng-Wen - - 2010
The leading cause of unfavorable outcomes following aneurysmal subarachnoid hemorrhage (SAH) is cerebral infarction. In this 3-year retrospective study, we have retrospectively evaluated 172 hospitalized patients with aneurysmal SAH, and compared those who developed a complicated cerebral infarction with those who did not. In this study, acute symptomatic cerebral infarctions ...
He Lan Ying - - 2010
To investigate the change of brain edema in patients with cerebral infarction by non-invasive cerebral electrical impedance (CEI) measurements. An invariable secure current at a frequency of 50 kHz and an intensity of 0.1 mA was given into a person's brain. CEI values of the bilateral hemisphere of 200 healthy ...
Sakai K - - 2009
BACKGROUND AND AIMS: The apparent diffusion coefficient (ADC) and anisotropy (eg, fractional anisotropy (FA)) of ischaemic tissue evolve over time. A reduction in diffusivity (ie, lambda(2) and lambda(3)) is an important marker for characterising hyperacute-stage infarction, as these parameters may reflect axonal membrane status. The study examines whether transverse diffusivity ...
Kuriyama Nagato - - 2010
Central autonomic impairment due to acute cerebral infarction is known to lead to excessively high blood pressure and tachycardia. The mechanism by which these symptoms occur in patients with supratentorial lesions has not been elucidated. The objective of this study was to evaluate the autonomic dysfunction that occurs in these ...
Lin Chih-Hsiang - - 2009
PURPOSE: Idiopathic hypereosinophilia syndrome (iHES) is classically defined as prolonged peripheral eosinophilia and multiple organ involvement. The involvement of the heart can lead to intraventricular thrombus because of infiltration of the endomyocardium by eosinophils. Cerebral infarction has been ascribed to thromboembolic events originating from intraventricular thrombus. CASE REPORT: A 67 ...
Eijking D P H - - 2009
A patient with Prinzmetal's variant angina (PVA) developed a cardiac arrest due to coronary vasospasm and subsequent myocardial infarction. After resuscitation postanoxic brain injury was diagnosed. After an initial improvement of consciousness he deteriorated rapidly on the seventh day after admission due to severe brain ischaemia apparently caused by cerebral ...
Moreschi Carlo - - 2009
Sudden vaginal bleeding and a cardiac arrest occurred in a 18-year-old female during consensual intercourse. Resuscitation procedures, applied at the arrival of a medical emergency team, restored the cardiac function allowing admission to hospital, where two vaginal mucosal lacerations were diagnosed and sutured. Cardiological investigations diagnosed a left ventricle myocardial ...
Shibata Koichi - - 2009
An 86-year-old, right-handed, hypertensive man suddenly experienced blurring of vision predominating in the left visual field. Neurological examinations were normal, except for left homonymous hemianopsia. Goldmann visual field testing revealed a left congruent incomplete homonymous hemianopsia with macular splitting. Brain MRI, with a T2-weighted image, demonstrated a lesion of high ...
Jeannin Aude - - 2009
We report the case of a systemic air embolism occurring during pulmonary radiofrequency ablation. At the end of the procedure, the patient experienced a sudden myocardial infarction, complicated by ventricular fibrillation, cardiac arrest, and cerebral infarction. Thoracic computed tomography showed an air-blood level inside the left atrium and ventricle, the ...
Cheng S - - 2009
Bilateral venous infarction of the brain due to thrombosis of the deep cerebral venous system is relatively rare, accounting for approximately 3-8 percent of all cases of cerebral venous thrombosis (CVT). Known risk factors include the use of oral contraceptives, pregnancy, puerperium, malignancy and thrombophilic states. CVT, in the setting ...
Mandonnet Emmanuel - - 2010
The authors present the case of a 49-year-old male patient with a right remote cerebellar hemorrhage and left perisylvian venous infarction complicating a right supratentorial craniotomy for temporal meningomia resection. These two events may result from a functional stenosis (due to perioperative brainstem sag) of the junction between the vein ...
Hiraga Akiyuki - - 2009
Pure monoparesis of the leg due to cerebral infarction is rare compared to that of the hand. The anterior cerebral artery (ACA) territory is the most common lesion site in leg monoparesis, but diffusion-weighted (DW) MRI has not commonly been used for lesion detection. The purpose of this study was ...
Kim E J - - 2009
A 57-year-old right-handed man presented with speech disturbance 1 day prior to his admission. The standardized aphasia test batteries showed transcortical sensory aphasia. MRI revealed a left frontal and insular infarct. Positron emission tomography scans also revealed a glucose hypometabolism in the same region as the infarcted area on MRI. ...
Lee Hyung - - 2009
A 74-year-old woman with sudden vertigo and dysarthria showed spontaneous nystagmus beating rightward, upward and clockwise. She also exhibited dysfunction of the left utricle and superior and horizontal canals, which was documented by head impulse and heave tests, measurements of ocular torsion and subjective visual vertical tilt, bithermal caloric tests, ...
Dajani Alaeddin A - - 2009
Neonatal cerebral infarction is a serious and disabling condition. It is extremely rare if it occurs in association with portal vein thrombosis. We are reporting 2 cases of neonatal cerebral infarction with this etiology. The unique mechanism of cerebral infarction will be discussed. We propose that in the absence of ...
Güresir E - - 2009
OBJECTIVE: To analyse decompressive hemicraniectomy (DHC) in patients with aneurysmal subarachnoid haemorrhage (SAH) with regard to infarction, haemorrhage or brain swelling. METHODS: DHC was performed in 43 of 787 patients with SAH. Patients were stratified according to (1) primary brain swelling without and (2) with additional intracerebral haematoma, (3) secondary ...
Narang Sanjeev K - - 2009
Ischemic stroke following snake bite is rare. We report an 18-year male who developed right hemiplegia with expressive aphasia following a Russell's viper bite. T2-weighted magnetic resonance imaging revealed infarct in the left middle cerebral artery territory. The possible mechanisms for cerebral infarction in this scenario include disseminated intravascular coagulation, ...
Al-Qahtani Mashael - - 2009
Ictal aphasia in adults is a rare phenomenon. Most reported cases manifest with non-fluent (Broca) aphasia. Ictal fluent (Wernicke) aphasia is less common. We report a 47-year-old, right-handed woman that presented with recurrent episodes of non-convulsive seizures in the form of Wernicke's aphasia for 2 weeks. An MRI of the ...
Panichpisal Kessarin - - 2009
We report here a 19-year-old woman with Down syndrome and end-stage renal disease who presented with left-sided weakness and fever. She had a massive pericardial effusion of unclear origin that required daily hemodialysis (HD) and cardiac intervention. She developed an acute right middle cerebral artery infarction with severe edema; her ...
Sochaj Marta - - 2009
Mucormycosis is an opportunistic fungal infection primarily affecting patients with immunosuppression. We present a case of upper limb ischemia secondary to mucormycosis. A 59-year-old man with myelodysplasia presented with an acutely ischemic arm. The patient underwent numerous revascularisation attempts. Following the final procedure, he developed a cerebral infarct and subsequently ...
Subramaniam Suresh - - 2009
BACKGROUND: Malignant middle cerebral artery (MCA) infarction is a devastating disease affecting a minority of stroke victims. The mortality rate from malignant MCA infarction managed with conservative medical treatment is estimated at 80%. Standard medical management includes physiologic support, osmotherapy, intubation and mechanical ventilation, and intracranial pressure monitoring. Decompressive hemicraniectomy ...
Gorman Mark J - - 2009
BACKGROUND: Transcranial Doppler (TCD) ultrasound is a procedure commonly used to screen individuals with the major hemoglobin S diseases, Hb SS and Hb S-beta(0), for significant stenoses in the circle of Willis. Flow velocities above 200 cm/s have been shown to identify patients at elevated risk for cerebral infarction. Among ...
Guimaraens Leopoldo - - 2010
Neurotoxicity from contrast media used in angiography is a rare complication from these procedures. The infrequency with which it is encountered makes it a diagnostic challenge. We present the case of a 51-year-old male who, 30 min after successful angiography for treatment of a right carotid-ophthalmic fusiform aneurysm with a ...
Jović-Stosić Jasmina - - 2009
BACKGROUND: Since the introduction of diquat in agriculture practice in 1960's, about 40 cases of poisoning have been described in detail in medical literature. CASE REPORT: We presented two cases. A case one, a 35-year-old, previously healthy, woman ingested 14% diquat solution. The poisoning had fulminant course, consisted of severe ...
Kamyar Roheena - - 2009
A 28-year-old man developed cerebral blindness from infarction of both mesial occipital lobes after cardiogenic hypotension induced by electrical shock. He remained globally encephalopathic for several weeks, but his most enduring deficit was bilateral homonymous hemianopias with macular sparing. Cerebral visual loss after electrical injury has been sparsely reported. It ...
Chinnadurai Sathya K - - 2009
An adult, wild-collected, male harp seal (Phoca groenlandica) was transferred from a rehabilitation center to a display facility because of unilateral phthisis bulbi and decreased use of the right forelimb, which precluded its release. In quarantine, the animal demonstrated limited use of the right forelimb, which acutely progressed to complete ...
Dubbert Patricia M - - 2009
We hypothesized that physical activity (PA), which is often associated with reduced risk of ischemic stroke, may also be associated with reduced risk of subclinical cerebral infarcts. We studied the cross-sectional association between PA and subclinical cerebral infarcts among African-Americans in the Atherosclerosis Risk in Communities (ARIC) Study. PA self-reported ...
Min Jiangyong J Division of Cerebrovascular Diseases, Sparrow Health System, Department of Neurology and Ophthalmology, Michigan State University, East Lansing, MI 48824, - - 2009
Stroke can lead to cerebrogenic cardiac arrhythmias. We sought to investigate the effect of ischemic stroke on cardiac function in a mouse model of permanent middle cerebral artery occlusion (pMCAO). Twenty-four hours after the induction of focal ischemia, cardiac function was measured in mice by endovascular catheterization of the heart. ...
Abenza-Abildua M J - - 2009
INTRODUCTION: Cerebral infarction secondary to Aspergillus arteritis or septic embolism is an exceptional finding. We present a case of multiple systemic embolism and cerebral infarction resulting from Aspergillus aortitis in an immunocompetent patient. PATIENT: A 65-year-old male with hypertension, hyperglycaemia and myocardial infarction with aorto-coronary by-pass surgery three years before ...
Hosomi Akiko - - 2009
INTRODUCTION: It is often clinically difficult to assess the severity of aphasia in the earliest stage of cerebral infarction. A method enabling objective assessment of verbal function is needed for this purpose. We examined whether diffusion tensor (DT) tractography is of clinical value in assessing aphasia. METHODS: Thirteen right-handed patients ...
Hong J M - - 2009
OBJECTIVES: The diameters of the vertebral arteries (VAs) are very often unequal. Therefore, this study investigated if unequal VA flow contributes to the development of basilar artery (BA) curvature and if it is a link to the laterality of pontine or cerebellar infarcts occurring around the vertebrobasilar junction. METHODS: Radiological ...
Guo Xuebing - - 2009
OBJECTIVE: To explore the frequency distribution of the fibrinogen gene polymorphism (Bbeta-148C/T) and its relationship with plasma fibrinogen (Fg) level in Uygur patients with cerebral infarction in Xinjiang. METHODS: The frequency distribution of FgBbeta-148C/T was analysed by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method in the Uygur cerebral ...
Juvela Seppo - - 2009
OBJECT: After aneurysmal subarachnoid hemorrhage (SAH), conflicting results concerning an association between the APOE genotype and impaired outcome have been reported. The authors tested prospectively whether APOE epsilon2 or epsilon4 allele-containing genotypes (epsilon2+ and epsilon4+) affect outcome after SAH. METHODS: Previous disease histories and clinical and radiological variables were recorded ...
Haug Kevin S - - 2009
We present the case of a 13-year-old boy with a ruptured cerebral arteriovenous malformation who had rapidly progressive cardiac failure leading to death. Serial electrocardiograms, cardiac enzymes, echocardiograms, and pulmonary artery catheter data confirmed severe ventricular dysfunction related to myocardial ischemia and infarction. Cardiac dysfunction after cerebral insult is commonly ...
Park Sun Ah - - 2009
Thromboxane A2 (TBXA2) is a potent vasoconstrictor in cerebral circulation and is a known contributor to the pathogenesis of cerebral infarction. Thromboxane A2 synthase 1 (TBXAS1) and thromboxane A2 receptors (TBXA2R) are key components in TBXA2 function. We examined whether genetic variants in TBXA2R and TBXAS1 are risk factors for ...
Zhang Jingbo - - 2010
Superior cerebellar artery (SCA) syndrome shows ipsilateral cerebellar ataxia and Horner's syndrome, contralateral superficial sensory disturbance, as well as nystagmus toward the impaired side, vertigo, and nausea. Occasionally, unilateral lesions may produce bilateral hypogeusia and contralateral hypoacusia. To report 2 patients with unilateral lower midbrain ischemic lesions of the inferior ...
Stowe Ann M AM Department of Neurological Surgery, Washington University School of Medicine, St. Louis, MO, - - 2009
Neutrophil elastase (NE) degrades basal lamina and extracellular matrix molecules, and recruits leukocytes during inflammation; however, a basic understanding of the role of NE in stroke pathology is lacking. We measured an increased number of extravascular NE-positive cells, as well as increased levels of tissue elastase protein and activity, following ...
West G Alexander GA Colorado Brain & Spine Institute, Neurotrauma Research Laboratory, Swedish Medical Center, Englewood, Colorado, - - 2009
Primate models are essential tools for translational research in stroke but are reportedly inconsistent in their ability to produce cortical infarcts of reproducible size. Here, we report a new stroke model using a transorbital, reversible, two-vessel occlusion approach in male rhesus macaques that produces consistent and reproducible cortical infarcts. The ...
Schroeter Michael - - 2009
Focal cerebral ischemia elicits strong inflammatory responses involving activation of resident microglia and recruitment of monocytes/macrophages. These cells express peripheral benzodiazepine receptors (PBRs) and can be visualized by positron emission tomography (PET) using [(11)C]PK11195 that selectively binds to PBRs. Earlier research suggests that transient ischemia in rats induces increased [(11)C]PK11195 ...
Wang Hung-Chen - - 2009
Cerebral infarctions are unfavorable outcomes of spontaneous intra-cerebral hemorrhage (ICH). To date, there have been no reports on risk factors that are predictive of acute symptomatic cerebral infarctions. With the aim of determining the potential risk factors that are predictive of acute symptomatic cerebral infarctions in patients with spontaneous supratentorial ...
Kimberly W T WT Hemorrhagic Stroke Research Program, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, - - 2009
Neuropathologic studies suggest an association between cerebral amyloid angiopathy (CAA) and small ischemic infarctions as well as hemorrhages. We examined the prevalence and associated risk factors for infarcts detected by diffusion-weighted imaging (DWI). We performed retrospective analysis of MR images from 78 subjects with a diagnosis of probable CAA and ...
Köhrmann Martin - - 2009
PURPOSE OF REVIEW: Space-occupying, malignant hemispheric infarction is one of the most devastating forms of ischemic stroke. Several case series had suggested decompressive hemicraniectomy as a life-saving therapy, but, until recently, there was no proof for this procedure from randomized controlled trials. RECENT FINDINGS: In 2007, results from a pooled ...
Lietz Katherine - - 2009
OBJECTIVE: Cerebral hyperperfusion is a life-threatening syndrome that can occur in patients with chronically hypoperfused cerebral vasculature whose normal cerebral circulation was re-established after carotid endarterectomy or angioplasty. We sought to determine whether the abrupt restoration of perfusion to the brain after left ventricular assist device (LVAD) implantation produced similar ...
Cho A-H - - 2009
BACKGROUND: With magnetic resonance imaging (MRI) analysis, we investigated the prevalence, clinical significance, and factors related to the presence of unrecognized cerebral infarcts in patients with first-ever ischaemic stroke. METHODS: We consecutively included patients who were admitted with first-ever stroke. Unrecognized cerebral infarct was defined as an ischaemic infarction or ...
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