2011
DOI: 10.1590/s0037-86822011000500024
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Caracterização do vírus da hepatite C em pacientes com hepatite crônica: genótipos no Estado do Amazonas, Brasil

Abstract: The genotype of 69 HCV positive patients was determined. An in-house standardized nested-PCR was used to detect HCV RNA. Genotype assignment was based on type-specific motifs on the sequenced amplicons delimited by primers HC11/HC18 from the 5' untranslated region. Results: Of the 69 patients studied, 65.2% were male and 34.8% were female. Genotype 1 showed the greatest prevalence, followed by 3 and 2. Conclusions: These data suggesting that Manaus is the point of arrival of HCV in the State of Amazonas.

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Cited by 11 publications
(9 citation statements)
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References 10 publications
(9 reference statements)
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“…Although previous reports indicate that the different HCV genotypes vary geographically, the profile found in Pará did not show significant differences. The same pattern was identified in the different mesoregions of the state, corroborating studies from other states of northern Brazil, such as Acre and Amazonas 14,15 .…”
Section: Epidemiological Data On Age and Gender Were Obtained From Thsupporting
confidence: 88%
“…Although previous reports indicate that the different HCV genotypes vary geographically, the profile found in Pará did not show significant differences. The same pattern was identified in the different mesoregions of the state, corroborating studies from other states of northern Brazil, such as Acre and Amazonas 14,15 .…”
Section: Epidemiological Data On Age and Gender Were Obtained From Thsupporting
confidence: 88%
“…É válido destacar que a média de idade dos casos de hepatite C no Brasil, para ambos os sexos, é de 46,3 anos 18 . É importante salientar, que a hepatite C é uma infecção latente e muitas vezes silenciosa, com apresentação do quadro clínico tardio e, provavelmente por isso, a maior prevalência dos casos esteja em indivíduos com idade superior a 50 anos, sugerindo infecção em passado distante 5,21 .…”
Section: Discussionunclassified
“…Com relação aos genótipos, o tipo 1 foi o mais frequente, com 77,10%, seguido do genótipo 3, com 19,84%. Essa frequência já foi encontrada em diversos locais do País, como demonstrado pelos estudos de Araújo et al 21 , em Manaus, estado do Amazonas; de Alvarado-Mora et al 27 , no estado do Pernambuco; de Oliveira et al 20 , no interior do estado de Minas Gerais; e de Paraboni et al 8 28 , os países da América Latina apresentam prevalência estimada de 1,4% HCV, com taxa virêmica de hepatite C de 76,4%. O genótipo mais representativo é o tipo 1 (74,3%), seguido do 3 (14,2%) e do 2 (10,4%), havendo baixa soroprevalência de casos pelos genótipos 4 e 5.…”
Section: Discussionunclassified
“…Los genotipos 4, 5 y 6 son muy escasos. Entre los subtipos, el más (21)(22)(23)(24) prevalente es 1b (Argentina, Brasil, Colombia) . En Paraguay, se realizó un estudio en el Instituto de Previsión Social, encontrándose en 20 muestras la presencia del genotipo 1b (40%), el 1 (15%), 1a (40%) (25) y el 3 (5%) .…”
Section: Introduccionunclassified