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Clinical and Biomedical Research
Article . 2022
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Hepatite C e nefropatia

Authors: Vieira, Cinthia Krüger Sobral; Lacerda, Mariane Americo; Mussato, Alexandre V.; Gonçalves, Luiz Felipe Santos;

Hepatite C e nefropatia

Abstract

OBJECTIVE: Many studies have associated hepatitis C virus infection with extra-hepatic manifestations, including glomerulopathies. Our objective is to present a brief review of the literature regarding renal manifestations of hepatitis C and the summarized results from a study aimed at evaluating the association of asymptomatic urinary abnormalities in anti-HCV positive blood donors . MATERIALS AND METHODS: We carried out a cross-sectional, contemporary, controlled, open study from July 1997 to March 1998 at the Nephrology Services at Hospital de Clínicas de Porto Alegre in order to evaluate the prevalence of asymptomatic urinary abnormalities in hepatitis-C virus carriers. We included 58 blood donors positive for HCV and 128 donors negative for HCV (control group) without history of hepatic or renal disease and without other positive viral markers. We assessed prevalence of hematuria (> 5 red blood cells per high power field in urinary sediment); proteinuria (1 dipstick positive); microalbuminuria (microalbuminuria/creatinine ratio from an isolated sample >15.6 mg/g); and N-acetyl-beta-glucosaminidase (> 5.6 U/g creatinine). RESULTS: The data showed that the group positive for anti-HCV did not present significant urinary abnormalitiies when compared to a control group. The prevalence of hematuria and proteinuria in the HCV+ e HCV- groups was, respectively, 12.0% x 9.4% and 5.4% x 5.6% with no statistically significant differences. CONCLUSION: The prevalence of hematuria was similar to that found in the general population (3-20%).

OBJETIVOS: Vários estudos associam a infecção crônica pelo vírus da hepatite C a manifestações extra-hepáticas, incluindo glomerulopatias. O objetivo deste artigo é fazer uma breve revisão da literatura sobre as manifestações renais da hepatite C e apresentar os resultados sumarizados de estudo que buscou avaliar a associação de alterações urinárias assintomáticas em doadores de sangue com anticorpos anti- VHCHC positivo. MATERIAIS E MÉTODOS: Realizou-se um estudo transversal, contemporâneo, controlado e aberto no período de julho de 1997 a março de 1998 no Serviço de Nefrologia do HCPA para avaliar a prevalência de alterações urinárias assintomáticas em portadores do vírus da hepatite C. Foram incluídos no estudo os 58 doadores de sangue VHC+ e 128 doadores VHC- (grupo controle) que não apresentavam história de doença hepática ou renal ou outros marcadores virais positivos. Avaliou-se a prevalência de hematúria (> 5 hemácias/campo de grande aumento no E.Q.U), proteinúria [uma (+) no exame por fita do E.Q.U], microalbuminúria (índice microalbuminúria/creatininúria em amostra isolada > 15,6 mg/g), N-acetil-beta-D-glucosaminidase (> 5,6U/g creatinina). RESULTADOS: Não foi constatada anormalidade urinária significativa no grupo VHC+, comparativamente com o grupo controle. A prevalência de hematúria e proteinúria nos grupos VHC+ e VHC- foi respectivamente 12,0% x 9,4% e 5,4% x 5,5% , sem diferença estatística entre os 2 grupos. CONCLUSÃO: A prevalência de hematúria foi semelhante à da população geral, que oscila entre 3-20%.

Keywords

nefropatia, Nefropatias, Hepatite C, R, Medicine, Asymptomatic urinary abnormalities, Hepatitis C, Nephropathy;, alterações urinárias assintomáticas

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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