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Original Articles
- Seroepidemiologic Study of Hepatitis B Virus(HBV) and Hepatitis C Virus(HCV) Infection among Koreans in Rural Area, Korea.
- Hai Rim Shin, Joon Youn Kim, Jue Bok Song, Byung Seong Suh, Jung Man Kim, Bu Ok Lee, Su Ryang Kim, Mu Guan Yang, Chae Un Lee, Jin Ho Chun, Keun Young Yoo, Yoon Ok Ahn
- Korean J Prev Med. 1997;30(1):17-30.
- 2,072 View
- 23 Download
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Abstract
PDF - To estimate the prevalence of hepatitis B virus(HBV) and hepatitis C virus(HCV) infection and to determine associated risk factors, a population-based seroepidemiologic study was carried out. In 1993, a health examination survey of the population was carried out in rural area known to have a high incidence of liver cancer. The study population were those who volunteered to participate in a health survey over 10 years of age. Examinees were interviewed by specially trained staffs. Sera from 1,033 study subjects were tested for hepatitis B surface antigen (HBsAg) by reverse passive hemagglutinin (RPHA) estimation and for hepatitis C virus antibody (anti-HCV) by 2nd generation passive hemagglutinin (PHA) estimation, The age and sex standardized prevalence of HBsAg was 6.3% which was similar to national average, but that of anti-HCV was 5.1% which was 4 to 5 times higher than that of blood or other health examinees in Korea. In a multivariate analysis, transfusion history, surgical operative history, and acupuncture history were not associated with HBsAg positivity. In contrast, acupuncture history (adjusted odds ratio[OR]=2.2 : 95% Confidence interval[CI] 1.0-4.7) and surgical operative history(adjusted OR=2.0 : 95% CI 1.0-4.1) were associated with anti-HCV positivity. The present study suggest that there is an highly endemic area of HCV infection in Korea and probably this endemicity is associated with a parenteral source of HCV infection other than blood transfusion.
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Summary
- Assessment of Validity of RT-PCR and EIA for The Detection of Hepatitis C Virus Infection.
- Byung Chul Son, Jin Ho Chun, Yeong Hong Park, Hai Rim Shin, Kyu Il Cho, Jong Han Kim, Kui Oak Jung, Jong Tae Lee, Chae Un Lee, Nak Whan Paik
- Korean J Prev Med. 1995;28(2):526-541.
- 1,973 View
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Abstract
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- This study was conducted to estimate the validity of reverse transcriptase-polymerase chain reaction(RT-PCR) compared to enzyme immunoassay(EIA) for the detection of hepatitis C virus (HCV) infection. ElA for antibody to HCV(anti-HCV) and RT-PCR for HCV was executed on the subjects from Pusan and kyungnam area with questionnaire survey to collect some relating factors of HCV infection As the result from 617 cases, the prevalence of flcv infection was 1.5% by ElA and 3.7% by RT-PCR(p<0.05), and the age standardized rate was 1.7% and 3.4% by ElA and RT-PCR, respectively. The prevalence of hepatitis B surface antigen(HBsAg) was 6.8% by enzyme linked immunosorbent assay(ELlSA) and the age standardized rate was 7.7%. It was the higher in male group comparing to female group(p<0.01). Both of the prevalence of HCV and HBsAg were higher in elevated asparate aminotransferase(AST) and alanine aminotransferase (ALT) group than in normal AST and ALT group(p<0.01). There was no specific risk factor of HCV infection. Though the degree of agreement of EIA and RT-PCR by gamma statistics was 97.2%, it showed a significant difference between the two methods(p<0.01). For the detection of HCV infection, positive predictive value of ElA was 66.7 % and negative predictive value of EIA was 97.2%. This study suggests that negative result to anti-HCV by ElA didn't mean the free state of HCV infection, therefore it would be helpful that further monitoring for HCV infection by RT-PCR in the case of elevated AST and ALT and/or clinically suspected.
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Summary
- A seroepidemiological Study of Hepatitis B and C Virus (HBV and HCV) Infections in the Young Population in parts of Busan, Korea.
- Young Hee Ju, Hai Rim Shin, Jin Kyoung Oh, Dong IL Kim, Duk Hee Lee, Byeong Kweon Kim, Jung Il Kim, Kap Yeol Jung
- J Prev Med Public Health. 2004;37(3):253-259.
- 2,390 View
- 39 Download
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Abstract
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- OBJECTIVES
To investigate the prevalence of hepatitis B and C virus infections and determine the associated risk factors among young adults in Busan, Korea, which is known to have a high incidence of liver cancer. METHODS: The study population consisted of volunteer participants in a health survey during 2002, which included 1, 350 students (515 males and 835 females) aged between 16 and 24 years, from three different schools in Busan. The participating students were asked to fill in a selfadministered questionnaire which included lifestyle habits and risk factors of hepatitis. Sera obtained from the participants were studied for HBsAg, anti-HBs, and Anti- HCV by enzyme immunoassay (EIA) method and for liver function tests. RESULTS: Among the study subjects (N=1, 350), the seropositivities of HBsAg 7.9% (95% CI=7.8-8.0), 7.6% (95% CI=7.6-7.7) in male and 8.1% (95% CI=8.0-8.2) in female. And the seropositivity of Anti-HBs was 69.7% (95% CI=69.0- 70.4), 70.5% (95% CI=69.8-71.2) in male and 69.2% (95% CI=68.5-69.9) in female. The seropositivity of Anti-HCV was 0.4%, 0.2% in male and 0.5% in female. The seropositivity for HBsAg in the subjects not having a hepatitis B vaccination history was twice (95% CI=1.0-4.4) that of those that did. Also, the seropositivity for HBsAg in subjects having experienced sexual intercourse was 1.7 times (95% CI=0.9-3.0) that of the subjects who had not. CONCLUSIONS: The present study confirmed the high prevalence of HBsAg seropositivity and sexual transmission of HBV among adolescents and young adults may occur. Further studies to evaluate the relationship between HBV vaccination and sexual transmission are required for the young population in Korea. -
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