998 resultados para Sistema nerviós central
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Data relative on the side occupied by females in double beds were collected in order to evaluate the feasebility to carryout a more extensive study to determine if this behavioral pattern is lateralized. Information relative to the side occupied in the bed, manual lateralization, how long lived togheter, and other related questions were collected in a sample of 229 women aged from 20 to 65 years old. Total frequencies of the bed side occupied showed to be equivalent, however, the left side showed to be chosen significantly more (70%)(χ2 = 5.4; 1 d.f.; p<0.05) when the choice was stated to be spontaneous (i.e, not determined by an impositive factor) . It is concluded that the obtained data give favourable support to an extensive study on the subject, which inserts into the area of research devoted to the understanding of the functional characteristics of central nervous functioning.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Enfermagem (mestrado profissional) - FMB
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Hepatic encephalopathy (HE) is a functional disorder of the central nervous system (CNS) associated with liver failure, either end-stage chronic liver disease or fulminant hepatic failure. Its pathogenesis remains complex and poorly understood. In view of recent advances in the management of HE, the Brazilian Society of Hepatology endorsed a monothematic meeting regarding HE in order to gather experts in the field to discuss related data and to draw evidence-based recommendations concerning: management of HE and intracranial hypertension in FHF, treatment of episodic HE in cirrhosis, controversies in the management of EH including difficult to treat cases and diagnostic and treatment challenges for minimal HE. The purpose of this review is to summarize the lectures and recommendations made by the panel of experts of the Brazilian Society of Hepatology.
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Contexto: É descrita uma síndrome congênita rara e suas manifestações típicas visando seu diagnóstico precoce. Descrição do caso: Pacientedo sexo feminino, com 15 anos de idade, com glaucoma congênito em acompanhamento pelo Serviço de Oftalmologia da UniversidadeEstadual Paulista (Unesp) foi encaminhada ao Serviço de Dermatologia com um ano de idade devido a manchas eritêmato-violáceasextensas distribuídas nos dois terços superiores da hemiface esquerda e em outras localidades do corpo desde o nascimento. A mãerelatava convulsões desde um ano e atraso do desenvolvimento neuropsicomotor. Nos antecedentes familiares, negava casos semelhantes.O diagnóstico da Síndrome de Sturge-Weber foi estabelecido pelo quadro clínico característico e pelos exames complementares quedemonstraram, no sistema nervoso central, atrofia e calcificação corticais, além de alterações oftalmológicas como glaucoma e buftalmo.Discussão: A síndrome de Sturge-Weber ocorre em 1 a cada 20.000 a 50.000 nascidos vivos e é caracterizada por malformações vascularesmanifestadas por manchas eritêmato-violáceas, mais conhecidas como manchas vinho do Porto , localizadas no território do ramooftálmico do nervo trigêmeo, com acometimento neurológico e possível acometimento ocular. O prognóstico depende das complicaçõesneurológicas, as quais não guardam relação com a extensão das lesões cutâneas. Conclusões: Relata-se afecção rara, cujo diagnósticoprecoce direciona o acompanhamento multidisciplinar.
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Suppurative meningitis are rarely reported in dogs and cats. The present study aims to report the occurrence of suppurative meningitis secondary to otitis media and interna in a five-year-old female Persian cat examined at the Veterinary School of Unesp-Botucatu with acute progressive multifocal neurological alterations. Analysis of the cerebrospinal fluid (CSF) demonstrated predominance of neutrophils (90%) and the presence of bacteria. Therapy with antibiotics was initiated, but the animal came to die. beta-hemolytic Staphylococcus, beta-hemolytic Streptococcus and Proteus mirabilis were detected in fragments sent to culture. The present report demonstrates the importance of performing more specific exams such as complete CSF analysis in cases of otitis media and interna. This way, central nervous infections can be diagnosed and treated in a timely manner, as those are acute diseases with poor prognosis.
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Intracranial neoplasms are common causes of neurological disorders in middle-aged and elderly dogs. With the feasibility of computed tomography, it is now possible to determine the extent and exact location of brain tumors, identifying them ante mortem in dogs and cats. This paper aims to report the occurrence of a mixed glioma in a Boxer dog examined at the Veterinary Hospital of Unesp, Botucatu Campus. The animal presented with a brain syndrome of acute onset and progressive course. CT scan showed the presence of a mass in the right cerebral hemisphere extending from the frontal to the parietal region and involving the basal ganglia. Given the gravity of the neurological disorder, the owner chose to perform euthanasia. Microscopic analysis of the mass allowed the diagnosis of mixed glioma.
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Computed tomography (CT) can be considered an important test to identify the presence of primary brain neoplasias in dogs. CT results can help define the type of brain tumor when associated with clinical findings. It allows the identification of lesions and their features, such as size, location, compression and invasion of adjacent tissue. One must analyze the density, mass effect, peritumoral edema, calcification, and image enhancement after intravenous injection of contrast medium. Gliomas, meningiomas and tumors of the choroid plexus and pituitary are the most common primary brain neoplasms diagnosed by CT in dogs. The aim of this paper is to review the literature related to primary brain tumors and report their most important tomographic features, in order to help clinicians achieve a presumptive diagnosis of tumor type.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Efeito da infecção com Candida albicans no desenvolvimento da Encefalomielite Autoimune Experimental
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Alimentos e Nutrição - FCFAR
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Pharmacological treatments currently used in ethanol addiction are inefficient, requiring new drugs for this purpose. The pro-drug N-Acetylcysteine (N-Ac) has shown efficacy in the treatment of addiction to cocaine and nicotine in preclinical research and clinical pilot studies. When administered, N-Ac is subsequently converted to cysteine, and cystine, which has an action on the central nervous system. However, there are few data about the possible application of N-Ac in the ethanol addiction. Behavioral sensitization is the gradual increase of the psychostimulant effects induced by repeated administration of drugs of abuse, including ethanol, and its development has been linked to important neuroadaptations in addiction. These neuroadaptations occur in neural circuits that mediate the reinforcing properties of these drugs and may involve several proteins. The ΔFosB protein accumulates in neurons after repeated activation and mediates long lasting changes in response to drugs of abuse. These changes are manifested mainly in the nucleus accumbens (Acb) and prefrontal cortex (PFC) neurons. The aim of the study was to evaluate the effects of N-Ac treatment in the development of ethanol behavioral sensitization and in alterations in the ΔFosB protein in mice. Swiss male mice were exposed to a standardized behavioral sensitization protocol to the experimental conditions of the laboratory and treated with N-Ac. At the end of behavioral sensitization procedure, animals were euthanized and their brains removed for ΔFosB quantification by Western blotting. Two experiments of behavioral sensitization were performed to the standardization of the protocol. The first, although effective in demonstrating the development of behavioral sensitization, was not effective in allowing the evaluation of the expression of the behavioral sensitization. The age of the animals and the conditions of luminosity and color of locomotion apparatus were changed and a new...