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Chorea: clinical correlates of 119 cases

Coréia: análise clínica de 119 casos

Abstracts

Chorea is a clinical syndrome characterized by abnormal involuntary arrhythmic movements, randomly distributed in time, affecting mainly the distal parts of the limbs. There are many diseases associated with chorea but the distribution of the etiologies vary too much in different parts of the world. We intended to study the etiologies of chorea in a Movement Disorders Unit of a university hospital-based outpatient clinic in Brazil. We studied the records of 119 patients with chorea based in the diagnostic criteria of the World Federation of Neurology. Sydenham's chorea (SC) was the most frequent cause of chorea (51.3%) of our sample. Other common causes were Huntington's chorea (18.5%) and chorea post-stroke (9.2%). SC is not commonly seen in developed countries nowadays but is not rare in Brazil. SC patients generally have the clinical manifestation of it in the first 20 years of age and girls are more affected than boys and this feature was observed in our sample. Based on our own experience and in the review of the literature we propose an etiological classification of chorea.

chorea; Sydenham's chorea; Huntington's disease; movement disorders


Coréia é uma síndrome caracterizada por movimentos involuntários arrítmicos, rápidos, abruptos, não repetitivos no tempo e com distribuição variável, preferentemente distal. O número de entidades clínicas reconhecidamente associadas a movimentos coréicos tem se tornado cada vez maior com o passar do tempo. Propusemo-nos estudar a frequência e algumas características epidemiológicas das coréias atendidas em um ambulatório especializado em distúrbios do movimento. Foram estudados os prontuários de 119 pacientes com o diagnóstico sindrômico de coréia. O predomínio absoluto foi de coréia de Sydenham (CS) com 51,3% do total da amostra. Outras causas frequentes foram doença de Huntington (DH) presente em 18,5% e a coréia secundária a doença cerebrovascular em 9,2% dos pacientes. O sexo feminino predominou em todas as faixas etárias, mas principalmente nos pacientes mais jovens, em função da CS predominar e desta ser mais comum nas meninas. Também, a coréia secundária ao uso de anovulatórios e a gravidez contribuiu para este predomínio. Baseados na experiência do nosso serviço e na revisão da literatura, propomos uma classificação para as coréias.

coréia; coréia de Sydenham; doença de Huntington; distúrbios do movimento


Coréia: análise clínica de 119 casos

Chorea: clinical correlates of 119 cases

Maria Fernanda MendesI; Luiz Augusto Franco De AndradeII; Henrique Ballalai FerrazIII

ISetor de Investigação em Moléstias Extrapiramidais da Disciplina de Neurologia da Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP). Mestre em Neurologia pela EPM

IISetor de Investigação em Moléstias Extrapiramidais da Disciplina de Neurologia da Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP). Professor Livre-Docente e Chefe da Disciplina de Neurologia

IIISetor de Investigação em Moléstias Extrapiramidais da Disciplina de Neurologia da Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP). Médico Assistente da Disciplina de Neurologia, Doutor em Neurologia

RESUMO

Coréia é uma síndrome caracterizada por movimentos involuntários arrítmicos, rápidos, abruptos, não repetitivos no tempo e com distribuição variável, preferentemente distal. O número de entidades clínicas reconhecidamente associadas a movimentos coréicos tem se tornado cada vez maior com o passar do tempo. Propusemo-nos estudar a frequência e algumas características epidemiológicas das coréias atendidas em um ambulatório especializado em distúrbios do movimento. Foram estudados os prontuários de 119 pacientes com o diagnóstico sindrômico de coréia. O predomínio absoluto foi de coréia de Sydenham (CS) com 51,3% do total da amostra. Outras causas frequentes foram doença de Huntington (DH) presente em 18,5% e a coréia secundária a doença cerebrovascular em 9,2% dos pacientes. O sexo feminino predominou em todas as faixas etárias, mas principalmente nos pacientes mais jovens, em função da CS predominar e desta ser mais comum nas meninas. Também, a coréia secundária ao uso de anovulatórios e a gravidez contribuiu para este predomínio. Baseados na experiência do nosso serviço e na revisão da literatura, propomos uma classificação para as coréias.

Palavras-chave: coréia, coréia de Sydenham, doença de Huntington, distúrbios do movimento.

ABSTRACT

Chorea is a clinical syndrome characterized by abnormal involuntary arrhythmic movements, randomly distributed in time, affecting mainly the distal parts of the limbs. There are many diseases associated with chorea but the distribution of the etiologies vary too much in different parts of the world. We intended to study the etiologies of chorea in a Movement Disorders Unit of a university hospital-based outpatient clinic in Brazil. We studied the records of 119 patients with chorea based in the diagnostic criteria of the World Federation of Neurology. Sydenham's chorea (SC) was the most frequent cause of chorea (51.3%) of our sample. Other common causes were Huntington's chorea (18.5%) and chorea post-stroke (9.2%). SC is not commonly seen in developed countries nowadays but is not rare in Brazil. SC patients generally have the clinical manifestation of it in the first 20 years of age and girls are more affected than boys and this feature was observed in our sample. Based on our own experience and in the review of the literature we propose an etiological classification of chorea.

Key words:chorea, Sydenham's chorea, Huntington's disease, movement disorders.

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

Aceite: 25-março-1996.

Dr. Henrique Ballalai Ferraz - Disciplina de Neurologia, Escola Paulista de Medicina, UNIFESP - Rua Botucatu 740 - 04023-900 São Paulo SP - Brasil.

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Publication Dates

  • Publication in this collection
    10 Nov 2010
  • Date of issue
    Sept 1996
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