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HTLV-1 and neurological conditions: when to suspect and when to order a diagnostic test for HTLV-1 infection? / Doenças neurológicas e infecção pelo HTLV-1: quando suspeitar e quando solicitar testes diagnósticos para a infecção pelo HTLV-1
Araújo, Abelardo Q. C; Leite, Ana Claudia C; Lima, Marco Antonio S. D; Silva, Marcus Tulius T.
  • Araújo, Abelardo Q. C; Oswaldo Cruz Foundation. Evandro Chagas Clinical Research Institute. Laboratory of Clinical Research in Neuroinfections.
  • Leite, Ana Claudia C; Oswaldo Cruz Foundation. Evandro Chagas Clinical Research Institute. Laboratory of Clinical Research in Neuroinfections.
  • Lima, Marco Antonio S. D; Oswaldo Cruz Foundation. Evandro Chagas Clinical Research Institute. Laboratory of Clinical Research in Neuroinfections.
  • Silva, Marcus Tulius T; Oswaldo Cruz Foundation. Evandro Chagas Clinical Research Institute. Laboratory of Clinical Research in Neuroinfections.
Arq. neuropsiquiatr ; 67(1): 132-138, Mar. 2009. tab
Article in English | LILACS | ID: lil-509129
ABSTRACT
HTLV-1 is a retrovirus associated with a myriad of clinical conditions, especially hematological and neurological ones. Regarding nervous system diseases, it is of utmost importance to select those cases in which HTLV-1 infection could really be associated. This is particularly true for patients from endemic areas and for HIV-infected patients and drug users, since that these groups are at a higher risk for HTLV infection. This caution in selecting neurological patients for HTLV diagnostic tests is justified by the fact that in some circumstances the seropositivity may merely represent an epiphenomenon. In this paper we enroll some neurological conditions that have been associated with HTLV-1/2 infection in the literature and discuss the real need for HTLV-1/2 diagnostic tests in each one. Because HIV/HTLV-co-infected patients seem to be at an increased risk for neurological diseases development, a special consideration about this matter is also made.
RESUMO
O HTLV-1 é um retrovírus associado tanto a doenças hematológicas quanto a doenças neurológicas. Em relação às doenças neurológicas, é fundamental que selecionemos aquelas em que de fato a infecção pelo HTLV-1 possa ser a causa. Isto é particularmente verdadeiro nos pacientes oriundos de áreas endêmicas e nos pacientes infectados pelo HIV e usuários de drogas, haja vista que estes grupos são de risco para infecção pelo HTLV. Este cuidado ao selecionarmos aquelas condições neurológicas que merecem ser investigadas com sorologia para o HTLV se justifica pelo fato de que nem sempre podemos afastar uma associação fortuita entre a infecção e a referida doença. Neste artigo, comentaremos sobre algumas condições neurológicas que podem estar associadas com a infecção pelo HTLV-1/2, discutindo a real necessidade de solicitar testes para o diagnóstico da infecção pelo HTLV-1/2 frente a elas. Uma breve consideração sobre a co-infecção HIV/HTLV será feita no final deste artigo tendo em vista que estes pacientes apresentam um risco aumentado para o desenvolvimento de doenças neurológicas.
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Full text: Available Index: LILACS (Americas) Main subject: Human T-lymphotropic virus 1 / HTLV-I Infections / HTLV-II Infections Type of study: Diagnostic study Limits: Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2009 Type: Article Affiliation country: Brazil

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Full text: Available Index: LILACS (Americas) Main subject: Human T-lymphotropic virus 1 / HTLV-I Infections / HTLV-II Infections Type of study: Diagnostic study Limits: Humans Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2009 Type: Article Affiliation country: Brazil