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- W2780593052 abstract "SUMMARY Background Whether hepatitis E virus (HEV) infection can be transmitted by coagulation factor concentrates remains unclear. Objectives The HEV seroprevalence in blood donors and recipients of coagulation factor concentrates was compared to obtain evidence of whether a transmission of HEV by coagulation factor concentrates could occur. Methods Archived samples from whole blood donors and patients who had received coagulation factor concentrates were investigated for the presence of anti‐HEV IgG by ELISA. Western blotting was used to confirm the positive samples that showed reactivity in the ELISA. Results Of 357 blood donors, 68 (19%) presented IgG antibodies against HEV. Two of 92 patients who had received coagulation factor concentrates (2·2%) and 1 of the 69 patients who had received plasma‐derived products (1·5%) tested positive for anti‐HEV IgG. The seroprevalence of HEV in the patient group was significantly lower ( P = 0·038) than that in the donor group. The two positive patients were a 72‐year‐old man treated with plasma‐derived products and a 5‐year‐old girl treated with a recombinant coagulation factor concentrate. Conclusion HEV seroprevalence was significantly higher in the blood donors than in the patients with a history of coagulation factor concentrate administration. In one of two patients with detectable anti‐HEV IgG antibodies, the coagulation factor concentrate was not the probable source of infection. Our data suggest that HEV is efficiently inactivated during the manufacturing process of coagulation factor concentrates. Thus, testing for the presence of HEV RNA in plasma donated for the preparation of coagulation factor concentrates may not be necessary." @default.
- W2780593052 created "2018-01-05" @default.
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- W2780593052 date "2017-12-27" @default.
- W2780593052 modified "2023-09-25" @default.
- W2780593052 title "Lack of evidence for the transmission of hepatitis E virus by coagulation factor concentrates based on seroprevalence data" @default.
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- W2780593052 doi "https://doi.org/10.1111/tme.12498" @default.
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