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J Med Virol ; 85(10): 1741-5, 2013 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-23852735

RESUMO

The prevalence of antibodies to HCV varies among Brazilian regions at rates of 8-16%. Since this virus is transmitted by the parenteral route through blood and blood products, patients receiving maintenance hemodialysis therapy are at an increased risk of infection. The study was conducted in seven dialysis centers in Belém, Pará, northern Brazil. Blood samples were collected from 798 patients with chronic renal disease treated by hemodialysis. The samples were tested for antibodies against HCV and the viral genotype was identified. Sixty-seven (8.4%) of the 798 patients studied were anti-HCV positive by ELISA, ranging from 4% to 14% in different centers. Viral RNA was detected in 5.3% (43/798) of the patients; of these, 42 also had anti-HCV antibodies. HCV genotyping revealed genotype 1 as the most common, detected in 86.1% (37/43) of the patients, followed by genotype 2 in 11.6% (5/43) and genotype 3 in one patient (2.3%). The findings of this study highlight the importance of control strategies for hepatitis C in hemodialysis patients. Molecular biology methods need to be available in these centers to screen for HCV on admission in order to establish effective infection control measures.


Assuntos
Hepacivirus/classificação , Hepacivirus/genética , Hepatite C/epidemiologia , Diálise Renal/efeitos adversos , Insuficiência Renal Crônica/complicações , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Brasil/epidemiologia , Ensaio de Imunoadsorção Enzimática , Feminino , Genótipo , Hepacivirus/isolamento & purificação , Anticorpos Anti-Hepatite C/sangue , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , RNA Viral/sangue , RNA Viral/genética , Adulto Jovem
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