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Serological and virological markers of human parvovirus B19 infection in patients with haemophilia #MMPMID27214724
Nishida Y; Arai M; Yamamoto Y; Fukutake K
Haemophilia 1997[Apr]; 3 (2): 137-42 PMID27214724show ga
Clotting factor concentrates prepared from human plasma are a potential route of parvovirus B19 (B19) infection in patients with coagulation disorders. However, it is not clear whether B19 transmits and persistently infects patients with haemophilia, especially those with HIV infection. We examined serological and virological markers of B19 in samples from 40 patients with haemophilia who had been receiving several brands of clotting factor concentrates. All of them were anti-B19 IgG seropositive and anti-B19 IgM seronegative. The levels of anti-B19 IgG were significantly higher in haemophiliacs than in healthy donors, whereas there was no difference between the level of anti-B19 IgG in haemophiliacs with HIV infection and those without HIV infection. Moreover, there was no difference between the level of anti-B19 IgG in haemophiliacs receiving recombinant factor VIII and that in those receiving plasma-derived clotting factors. Although by using polymerase chain reaction (PCR) B19 DNA was detected at very low levels (< 40 DNA copies mL(-1) , in 3 out of 40 haemophiliacs, persistent B19 infection was negligible.
Haemophilia 1997 ; 3 (2): 137-42
