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건진센터의 HBsAg과 RF 동시 양성 검체의 분석

Other Titles
 Analysis of Cases Whose Sera Showed Coexistence of HBsAg and RF in Health Care Center 
 박정용  ;  임성희  ;  김영란  ;  신정원  ;  김현숙  ;  오재준 
 Journal of Clinical Pathology and Quality Control (임상검사와 정도관리), Vol.20(1) : 249-254, 1998 
Journal Title
 Journal of Clinical Pathology and Quality Control (임상검사와 정도관리) 
Issue Date
Background : Rheumatoid factors (RF) are associated most closely with rheumatoid arthritis but may be seen in certain other autoimmune diseases, viral hepatitis and even in healthy individuals. Since the prevalence of hepatitis B is relatively high in this country, it is thought that the positive rate and coexistence of RF and HBsAg may be also high. In this study, we evaluated the frequency and clinical significance of coexistence of HBsAg and RF. And, to rule out the possibility of false positive result of each test, we performed RF absorption and HBsAg neutralization test in RF and HBsAg positive sera, respectively. Methods : 9,776 sera were obtained from the subjects undergoing health screening from January 1997 to December 1997. RF was detected by nephelometry (IMMAGE TM, Beokman, U.S.A.) and HBsAg by enzyme immunoassay (Cobas Core II, Roche, Switzerland), Neutralization of HBsAg was performed by anti-HBs sera provided by Green Cross, Korea. After neutralization of HBsAg, RF test was performed again by nephe-lometry. RF absorption was performed by RF absorbent produced by Behring Diagnostics Inc., Germany and HBsAg test was performed again after absorption. Results : In 9,776 sera, RF was positive in 682 sera (6.98%) and HBsAg in 580 sera (5.94%). The positive rate of RF in HBsAg positive group is 28.28%, whereas in HBsAg negative group, it was only 5.64% (X2=430.37, p<0.001). There was no significant difference in HBsAg and RF results before and after the neutralization and the absorption test(p=0.5397). Conclusions : The positive rate of RF in HBsAg positive subjects undergoing health screening was significantly higher than that of HBsAg negative subjects. According to the results of HBsAg neutralization and RF absorption experiment, it was considered that there was no interference between HBsAg and RF test. Further studies about the exact mechanisms inducing RF production in HBsAg carriers and follow-up observations of those subjects will be needed.
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1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyon Suk(김현숙) ORCID logo https://orcid.org/0000-0001-5662-7740
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