LUIS DOS RAMOS MACHADO
Projetos de Pesquisa
Unidades Organizacionais
Departamento de Neurologia, Faculdade de Medicina - Docente
LIM/15 - Laboratório de Investigação em Neurologia, Hospital das Clínicas, Faculdade de Medicina
LIM/15 - Laboratório de Investigação em Neurologia, Hospital das Clínicas, Faculdade de Medicina
8 resultados
Resultados de Busca
Agora exibindo 1 - 8 de 8
- Arquivos de Neuro-Psiquiatria in the Brazilian Academy of Neurology: natural evolution(2015) MACHADO, Luis dos Ramos; LIVRAMENTO, Jose Antonio
- Arquivos de Neuro-Psiquiatria has new Editors(2017) MACHADO, Luis dos Ramos; LIVRAMENTO, Jose Antonio
- Neurocysticercosis: stilt some unanswered questions(2014) MACHADO, Luis dos Ramos
- Arquivos de Neuro-Psiquiatria: 80 years(2023) MASSARO, Ayrton; TEIVE, Helio A. G.; LIVRAMENTO, Jose Antonio; MACHADO, Luis dos Ramos; CARAMELLI, Paulo
article 34 Citação(ões) na Scopus The role of 3D volumetric MR sequences in diagnosing intraventricular neurocysticercosis Preliminar results(2011) MONT'ALVERNE FILHO, Francisco Edward Frota; MACHADO, Luis dos Ramos; LUCATO, Leandro Tavares; LEITE, Claudia CostaObjective: The purpose of this paper was to investigate the role of two three-dimensional magnetic resonance (MRI) sequences: enhanced spoiled gradient recalled echo (SPGR), and fast imaging employing steady-state acquisition (FIESTA) in the evaluation of intraventricular neurocysticercosis cysts and scolices. Method: Seven neurocysticercosis patients suspected of presenting intraventricular lesions were evaluated by magnetic resonance imaging using enhanced SPGR, and FIESTA. Results: Enhanced SPGR detected eight cystic lesions, with scolices in four. Contrast enhancement was observed in three cysts. FIESTA also detected eight cystic lesions with the presence of scolices in seven of those cystic lesions. Four patients presented parenchymal involvement, while the remaining three presented the racemose form. Conclusion: FIESTA and SPGR are sequences that can detect intraventricular cysts of neurocysticercosis, and FIESTA also is good for the detection of the scolex. Considering this information we suggest that FIESTA and SPGR should be included in the MRI protocol for the investigation of intraventricular neurocysticercosis.- Antiparasitic antibodies occur with similar frequency in patients with clinically established multiple sclerosis with or without oligoclonal bands in the cerebrospinal fluid(2013) FONSECA-PAPAVERO, Fabiana Cruz Gomes da; CALLEGARO, Dagoberto; GAMA, Paulo Diniz da; LIVRAMENTO, Jose Antonio; VAZ, Adelaide Jose; MACHADO, Luis dos RamosThe ""hygiene hypothesis"" postulates an inverse relationship between the prevalence of parasitic infections and the frequency of multiple sclerosis (MS). Objective: It was to study whether antibodies against parasites could be demonstrated more frequently in blood serum from MS patients with oligoclonal bands (OCB) than from MS patients without OCB. Methods: We studied serum samples from 164 patients who had previously been analyzed to investigate OCB. Parasitic antibodies were studied through unidimensional electrophoresis of proteins on polyacrylamide gel against Taenia antigens, searching for antiparasitic specific low molecular weight antibodies and also for antiparasitic nonspecific high molecular weight antibodies. Results: Two of the 103 patients with no evidence of OCB had antibodies of low molecular weight and 59 of them had antibodies of high molecular weight. Of the 61 patients with evidence of OCB, one showed antibodies of low molecular weight and 16 showed antibodies of high molecular weight. Conclusion: Antiparasitic antibodies are detected with similar frequency in MS patients with OCB and in MS patients without OCB.
- The history of cerebrospinal fluid analysis in Brazil(2013) LIVRAMENTO, Jose Antonio; MACHADO, Luis dos RamosAnalysis on cerebrospinal fluid (CSF) in neurological diagnosis has always been considered to be a strong point among the main complementary examinations in Brazil. The present paper reviews the main events in the history of CSF in the neurological sciences, with emphasis on the founders of several CSF schools in our country from the beginning of the 20th century to the present time.
- Cerebrospinal fluid analysis in infectious diseases of the nervous system: when to ask, what to ask, what to expect(2013) MACHADO, Luis dos Ramos; LIVRAMENTO, Jose Antonio; VIANNA, Liliana ScaffCerebrospinal fluid (CSF) analysis very frequently makes the difference to the diagnosis, not only in relation to infections but also in other diseases of the nervous system such as inflammatory, demyelinating, neoplastic and degenerative diseases. The authors review some practical and important features of CSF analysis in infectious diseases of the nervous system, with regard to acute bacterial meningitis, herpetic meningoencephalitis, neurotuberculosis, neurocryptococcosis, neurocysticercosis and neurosyphilis.