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  • Title: Relationships between blood product exposure and immunological abnormalities in English haemophiliacs.
    Author: Lee CA, Bofill M, Janossy G, Thomas HC, Rizza CR, Kernoff PB.
    Journal: Br J Haematol; 1985 May; 60(1):161-72. PubMed ID: 3890927.
    Abstract:
    Amongst 160 English haemophiliacs treated with clotting factor concentrates, abnormalities of T lymphocyte subset distribution (characterized by low T4/T8 ratios and high total T8 counts), low in vitro phytohaemagglutinin stimulation and raised serum IgG levels, were more common in patients with haemophilia A than B, in patients who had received heavier blood product exposure, and in adults rather than children. A slight reduction in lymphocyte and platelet counts was found in 26% and 17% of patients. In the sample of patients tested, serum alpha 1-thymosin levels were often raised, but beta 2-microglobulin levels were usually normal. Fractionation procedures used to prepare clotting factor concentrates, and the amounts of concentrate used, are more likely to be causally related to these immunological abnormalities than the origins of source donor plasmas.
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