Riso imotivado: relato de três casos

Riso imotivado: relato de três casos

Título alternativo Motivated laughter: report of three cases
Autor Bertolucci, Paulo Henrique Ferreira Autor UNIFESP Google Scholar
Andrade, Luiz Augusto Franco de Autor UNIFESP Google Scholar
Pereira, João Santos Google Scholar
Campos, Carlos José Reis de Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo The authors present three cases where the involuntary, imotivated laughter was a distinct finding. The first patient was a 29-year-old engineer, who had had several bursts of neurologic deficits, either sensitive or motor, which recovered almost completely and was diagnosed as suffering from multiple sclerosis. During and after one of the episodes he presented involuntary laughter and has been like this since then, albeit in much less extension. The second patient was a 35-year-old housewife, who presented several episodes of brain infarction in both hemispheres which were considered as being the result of arteritis. No specific collagen disease was found. The CAT scan showed several hypodense areas in both hemispheres. The third patient was a 52-year-old man of Japanese ancestry who presented three years ago a sudden ischemic stroke with difficulty in the speech and left sided weakness, followed by bursts of imotivated laughter, which persisted since then. Subsequently he had another stroke. He is hipertensive and diabetic. The authors searched the literature for the different causes of involuntary laughter. The occurrence in multiple sclerosis, although reported by several authors is by no means a common finding. In the literature available no case of cerebral arteritis with involuntary laughter could be found. The pathophysiology of this rare symptom was discussed.

Os autores fazem uma revisão das causas e fisiopatologia do riso imoti-vado e de sua classificação. São apresentados três casos de riso imotivado. Um em que o distúrbio está associado a alterações motoras e sensitivas ocorrendo em crises diferentes entre si e sempre seguidas de recuperação integral, no qual foi feito o diagnóstico de esclerose múltipla. No segundo caso o riso estava associado a déficit motor e livedo reticular, tendo sido feito o diagnóstico de vasculite. No terceiro caso havia associação com paresia facial central à direita, em paciente diabético e hipertenso, com evidência de comprometimento vascular em outras áreas, tendo sido feito o diagnóstico de doença cerebrovascular.
Idioma Português
Data de publicação 1985-03-01
Publicado em Arquivos de Neuro-Psiquiatria. Academia Brasileira de Neurologia - ABNEURO, v. 43, n. 1, p. 66-72, 1985.
ISSN 0004-282X (Sherpa/Romeo)
Publicador Academia Brasileira de Neurologia - ABNEURO
Extensão 66-72
Fonte http://dx.doi.org/10.1590/S0004-282X1985000100010
Direito de acesso Acesso aberto Open Access
Tipo Artigo
SciELO S0004-282X1985000100010 (estatísticas na SciELO)
Endereço permanente http://repositorio.unifesp.br/handle/11600/199

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