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Clinical, demographic and epidemiological characteristics of patients with hepatitis B followed at a university hospital in southeastern Brazil: predominance of HBeAg negative cases / Características clínicas, demográficas e epidemiológicas dos pacientes com hepatite B em seguimento em hospital universitário no sudeste do Brasil: predominância de casos HBeAg negativos
Chachá, Silvana Gama Florencio; Ferreira, Sandro da Costa; Costa, Tarciana Vieira; Almeida Filho, Luiz Carlos de; Villanova, Márcia Guimarães; Souza, Fernanda Fernandes; Teixeira, Andreza Correa; Figueiredo, José Fernando de Castro; Zucoloto, Sérgio; Ramalho, Leandra Naira; Passos, Afonso Dinis da Costa; Martinelli, Ana de Lourdes Candolo.
  • Chachá, Silvana Gama Florencio; Federal University of São Carlos. Department of Medicine. São Carlos. BR
  • Ferreira, Sandro da Costa; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Internal Medicine. Division of Gastroenterology. Ribeirão Preto. BR
  • Costa, Tarciana Vieira; University of São Paulo. Faculty of Medicine of Ribeirão Preto. University Hospital University Hospital. Ribeirão Preto. BR
  • Almeida Filho, Luiz Carlos de; University of São Paulo. Faculty of Medicine of Ribeirão Preto. University Hospital University Hospital. Ribeirão Preto. BR
  • Villanova, Márcia Guimarães; University of São Paulo. Faculty of Medicine of Ribeirão Preto. University Hospital University Hospital. Ribeirão Preto. BR
  • Souza, Fernanda Fernandes; University of São Paulo. Faculty of Medicine of Ribeirão Preto. University Hospital University Hospital. Ribeirão Preto. BR
  • Teixeira, Andreza Correa; University of São Paulo. Faculty of Medicine of Ribeirão Preto. University Hospital University Hospital. Ribeirão Preto. BR
  • Figueiredo, José Fernando de Castro; s.af
  • Zucoloto, Sérgio; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Pathology. Ribeirão Preto. BR
  • Ramalho, Leandra Naira; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Pathology. Ribeirão Preto. BR
  • Passos, Afonso Dinis da Costa; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Social Medicine. Ribeirão Preto. BR
  • Martinelli, Ana de Lourdes Candolo; University of São Paulo. Faculty of Medicine of Ribeirão Preto. Department of Internal Medicine. Division of Gastroenterology. Ribeirão Preto. BR
Rev. Soc. Bras. Med. Trop ; 44(1): 13-17, Jan.-Feb. 2011. graf, tab
Article in English | LILACS | ID: lil-579823
ABSTRACT

INTRODUCTION:

Hepatitis B is common in Brazil, although there are regional differences regarding the degree of endemicity, the most frequent forms of transmission and the presence of different evolutive stages of chronic disease. The present study aimed to determine the clinical, demographic and epidemiological characteristics of patients chronically infected with hepatitis B virus (HBV) residing in the Ribeirão Preto region, southeastern Brazil.

METHODS:

A total of 529 medical records of individuals with HBV monoinfection were reviewed.

RESULTS:

More than 60 percent of the subjects were males, with a mean age of 38 years-old. The HBeAg-negative serological pattern was verified in 84.4 percent of the patients, among whom the risk of vertical/intrafamily transmission was 43.2 percent (p = 0.02). The consumption of alcohol in amounts exceeding 20g a day was observed in 21.3 percent of the subjects and was more frequent among men (33 percent) (p < 0.001). Among patients with cirrhosis, 54.1 percent were alcohol abusers (p = 0.04), all of them males. The presence of cirrhosis was more frequent in the HBeAg-positive group (24.4 percent) than in the HBeAg-negative group (10.2 percent) (p < 0.001).

CONCLUSIONS:

High proportions of HBV-infected subjects with an HBeAg-negative pattern were observed, with a higher risk of vertical/intrafamily transmission. Alcohol abuse was associated with male subjects and with cirrhosis of the liver in this group. A tendency toward an increase in the number of HBeAg-negative cases was observed over time.
RESUMO

INTRODUÇÃO:

No Brasil, a hepatite B é comum. No entanto, há diferenças regionais no que diz respeito ao grau de endemicidade, as formas de transmissão mais encontradas e a presença dos diferentes estágios evolutivos da doença crônica. O objetivo deste trabalho foi o de conhecer características clínicas, demográficas e epidemiológicas de pacientes cronicamente infectados pelo vírus da hepatite B (HBV), residentes na região de Ribeirão Preto, no sudeste do Brasil.

MÉTODOS:

Foi realizada a análise retrospectiva de 529 prontuários de indivíduos com monoinfecção pelo HBV.

RESULTADOS:

Mais de 60 por cento eram masculinos, a média de idade foi de 38 anos. O padrão sorológico HBeAg negativo foi encontrado em 84,4 por cento dos pacientes, entre os quais o risco para transmissão vertical/intrafamiliar foi de 43,2 por cento (p = 0,02). Verificou-se uso de álcool em quantidades maiores que 20g ao dia em 21,3 por cento dos indivíduos, sendo mais frequente entre os homens (33 por cento) (p < 0,001). Entre os pacientes com cirrose, 54,1 por cento faziam uso abusivo de bebidas alcoólicas (p = 0,04), sendo todos estes do gênero masculino. A presença de cirrose foi maior no grupo HBeAg positivo (24,4 por cento) que no grupo HBeAg negativo (10,2 por cento) (p < 0,001).

CONCLUSÕES:

Observaram-se elevadas proporções de indivíduos com infecção pelo HBV com padrão sorológico HBeAg negativo, entre os quais houve maior risco para a transmissão vertical/intrafamiliar. O uso abusivo de álcool esteve associado a indivíduos do sexo masculino e, neste grupo, à cirrose hepática. Observou-se tendência ao aumento no número de casos HBeAg negativo ao longo do tempo.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Hepatitis B virus / Hepatitis B, Chronic / Hepatitis B Antibodies / Hepatitis B e Antigens Type of study: Diagnostic study / Etiology study / Observational study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Child / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of São Carlos/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Hepatitis B virus / Hepatitis B, Chronic / Hepatitis B Antibodies / Hepatitis B e Antigens Type of study: Diagnostic study / Etiology study / Observational study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Child / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of São Carlos/BR / University of São Paulo/BR