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1 July 2000 Prevalence of Anti-hepatitis C Virus Antibody and Chronic Liver Disease among Atomic Bomb Survivors
Saeko Fujiwara, Shizuyo Kusumi, John Cologne, Masazumi Akahoshi, Kazunori Kodama, Hiroshi Yoshizawa
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Abstract

Fujiwara, S., Kusumi, S., Cologne, J., Akahoshi, M., Kodama, K. and Yoshizawa, H. Prevalence of Anti-hepatitis C Virus Antibody and Chronic Liver Disease among Atomic Bomb Survivors.

To investigate whether exposure to atomic bomb radiation altered the prevalence of hepatitis C virus (HCV) infection or accelerated the progress toward chronic hepatitis after HCV infection, the seropositivity of antibody to hepatitis C virus (anti-HCV) was determined for 6,121 participants in the Adult Health Study of atomic bomb survivors in Hiroshima and Nagasaki. The seropositivity of anti-HCV antibody was 2.5 times higher among those with a history of blood transfusion and 1.2 times higher among those with a family history of liver disease, whereas acupuncture showed no association with anti-HCV. Although the prevalence of anti-HCV was lower for survivors with positive dose estimates than for those with 0 dose (relative prevalence 0.84, P = 0.022), there was no evidence of a smooth dose–response relationship. However, these data suggested that the radiation dose response for chronic liver disease among HCV antibody-positive survivors may be greater than that among HCV antibody-negative survivors (slope ratio 20). In conclusion, no dose–response relationship was found between anti-HCV positivity and radiation dose; a possible increase in the radiation dose response of chronic liver disease among anti-HCV-positive individuals was found. Thus radiation exposure may accelerate the progress of chronic liver disease associated with hepatitis C virus infection.

Saeko Fujiwara, Shizuyo Kusumi, John Cologne, Masazumi Akahoshi, Kazunori Kodama, and Hiroshi Yoshizawa "Prevalence of Anti-hepatitis C Virus Antibody and Chronic Liver Disease among Atomic Bomb Survivors," Radiation Research 154(1), 12-19, (1 July 2000). https://doi.org/10.1667/0033-7587(2000)154[0012:POAHCV]2.0.CO;2
Received: 4 October 1999; Accepted: 1 March 2000; Published: 1 July 2000
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