期刊论文详细信息
Revista da Sociedade Brasileira de Medicina Tropical
Clinical, demographic and epidemiological characteristics of patients with hepatitis B followed at a university hospital in southeastern Brazil: predominance of HBeAg negative cases
Almeida Filho, Luiz Carlos de1  Teixeira, Andreza Correa1  Martinelli, Ana de Lourdes Candolo1  Costa, Tarciana Vieira1  Federal University of São Carlos, São Carlos, Brazil1  Ramalho, Leandra Naira1  Passos, Afonso Dinis da Costa1  Zucoloto, Sérgio1  Souza, Fernanda Fernandes1  Villanova, Márcia Guimarães1  Chachá, Silvana Gama Florencio1  Ferreira, Sandro da Costa1  Figueiredo, José Fernando de Castro1  University of São Paulo, Ribeirão Preto, Brazil1 
关键词: Hepatitis B;    Epidemiology;    Transmission;    Hepatitis B E antigens;   
DOI  :  10.1590/S0037-86822011000100004
学科分类:农业科学(综合)
来源: Sociedade Brasileira de Medicina Tropical
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【 摘 要 】

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

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