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Tytuł:
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Seroepidemiology of hepatitis C virus infection in hemodialysis patients and the general population in Fukuoka and Okinawa, Japan.
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Autorzy:
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Hayashi, Jun
Yoshimura, Eriko
Nabeshima, Atsuko
Kishihara, Yasuhiro
Ikematsu, Hideyuki
Hirata, Miki
Maedia, Yoshiaki
Kashiwagi, Seizaburo
Hayashi, J
Yoshimura, E
Nabeshima, A
Kishihara, Y
Ikematsu, H
Hirata, M
Maeda, Y
Kashiwagi, S
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Temat:
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HEPATITIS C transmission
BLOOD transfusion
EPIDEMIOLOGICAL research
HEMODIALYSIS
HEPATITIS C
HEPATITIS viruses
POLYMERASE chain reaction
QUESTIONNAIRES
RNA
VIRAL antibodies
DISEASE prevalence
VIREMIA
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Źródło:
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Journal of Gastroenterology; Jun1994, Vol. 29 Issue 3, p276-281, 6p
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Terminy geograficzne:
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JAPAN
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In 1992, a seroepidemiologic study was carried out among hemodialysis patients and the general population in Fukuoka and Okinawa, Japan to determine the presence of hepatitis C virus (HCV) infection and HCV viremia. The markers used were antibody to HCV, determined by second-generation assay (anti-HCV), and HCV RNA, determined by the polymerase chain reaction. The prevalence of anti-HCV in Fukuoka was 3.3%, 73 per 2237 persons, significantly (P < 0.001) higher than the 0.4%, 5 per 1295, in Okinawa. The prevalence of anti-HCV in hemodialysis patients in Fukuoka was 51.9% (161 of 310 patients), significantly (P < 0.001) higher than the 9.1% (13 of 143 patients) in Okinawa. The ratio of HCV RNA-positive to anti-HCV-positive persons was significantly higher in hemodialysis patients (147/174, 84.5%) than in the general population (49/78, 62.8%) (P < 0.001). Elimination of HCV among hemodialysis patients appears to be difficult, as such patients have lower immune responses than the general population. In Fukuoka, but not in Okinawa, blood used for transfusion was supplied by paid donors at commercial blood banks from 1953 to 1969. This may explain why HCV infection is endemic in Fukuoka and not in Okinawa. Differences between the prevalence of anti-HCV in the hemodialysis patients in Fukuoka and Okinawa reflect differences in the prevalence in the general population in these two areas of Japan. [ABSTRACT FROM AUTHOR]
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