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  • Title: Progression to acquired immunodeficiency syndrome in 94 human immunodeficiency virus-positive hemophiliacs with long-term follow-up.
    Author: Lorenzo JI, Moscardó F, López-Aldeguer J, Aznar JA.
    Journal: Haematologica; 2001 Mar; 86(3):291-6. PubMed ID: 11357820.
    Abstract:
    BACKGROUND AND OBJECTIVES: Human immunodeficiency virus (HIV) infection was transmitted to many hemophilics treated with non-inactivated factor concentrates before 1986. The aim of this study was to know the long-term incidence of AIDS and risk factors for its development in HIV-infected hemophiliacs. DESIGN AND METHODS: This study was a retrospective analysis of 94 HIV-infected hemophilics. The cumulative incidence of AIDS during a follow-up of 16 years from seroconversion was determined by Kaplan-Meier analysis,and potential risk factors were also studied by multivariate analysis. RESULTS: The 16-year estimated incidence of AIDS was 38% (95%CI 27%-52%). The AIDS incidence was significantly higher in patients with hemophilia B (p <0.0001), older age at seroconversion (p=0.0004), lower CD4 counts at seroconversion (p=0.004), and lower concentrate consumption during follow-up (p=0.02), than it was in those patients without these characteristics. However, only hemophilia type and age at seroconversion remained significant in the multivariate analysis, with a relative risk of 0.06 (95%CI 0.02-0.20) for hemophilia A and 1.04(95%CI 1.01-1.06) for every year of increase in age at seroconversion. The severity of hemophilia, history of inhibitors and concentrate consumption before seroconversion were not significantly associated with AIDS development. INTERPRETATION AND CONCLUSIONS: A considerable proportion of HIV-infected hemophiliacs remained AIDS-free 16 years after seroconversion. The risk of AIDS was particularly high in patients with hemophilia B and for patients who were older at seroconversion.
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