características da reação tipo 1 e associação com vírus b e c da hepatite na hanseníase type 1 reaction in leprosy: characteristics and association with hepatitis b and c viruses

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ID: 143495
2007
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Abstract
O episódio reacional tipo 1 ou reação reversa é ocorrência inflamatória aguda que atinge a pele e nervos periféricos, encontrada em até 30% dos pacientes com hanseníase, sendo causa comum de incapacidade física. Fatores de risco associados incluem uso de poliquimioterapia e infecções virais. Neste estudo, foram avaliados 620 pacientes com hanseníase. Reação reversa foi diagnosticada em 121 (19,5%) casos, sendo mais freqüente nos indivíduos borderlines (48%). Início da poliquimioterapia foi considerado fator de risco para reação reversa, com 52% dos casos apresentando o primeiro episódio neste momento. Neurite foi documentada em 73% dos casos. A presença de vírus B ou C da hepatite foi documentada em 9% de 55 pacientes com reação reversa e em nenhum dos 57 pacientes sem reação (p = 0, 026; teste exato de Fisher), sugerindo possível papel destes agentes como fatores de risco para desenvolvimento de reação reversa na hanseníase.
Type 1 reaction or reversal reaction is an acute inflammatory episode in the skin and peripheral nerves that is found in up to 30% of leprosy patients and commonly causes physical disabilities. Multidrug chemotherapy and viral infections are associated risk factors. In this study, 620 leprosy patients were evaluated. Reversal reactions were diagnosed in 121 cases (19.5%) and were most frequently found in borderline patients (48%). Starting on multidrug chemotherapy was considered to be a risk factor for reversal reaction: 52% of the cases presented their first episode at this time. Neuritis was found in 73% of the cases. The presence of hepatitis B or C virus was documented in 9% of the 55 patients with reversal reaction, while it was not detected in any of the 57 patients without reaction (p = 0.026, Fisher’s exact test). This suggests that these agents may have a role as risk factors for developing reversal reactions.
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Authors ;Vitória P.A. Rego;Paulo R.L. Machado;Isabela Martins;Ronald Trindade;Raymundo Paraná
Journal mobile information systems
Year 2007
DOI
10.1590/S0037-86822007000500011
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822007000500011
Keywords
hepatitis b virus leprosy tropical medicine hepatitis c virusarctic medicine

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