Platelet antigen typing
Last updated: Saturday, 20, March, 2004
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4.5 mL blood in 0.5 mL citrate.
MAIPA; solid phase red cell adherence.
Investigation of alloimmune thrombocytopenia, especially neonatal alloimmune thrombocytopenia and post-transfusion purpura.
Indicates the presence or absence of specific platelet antigens.
Platelets which lack the specific antigen are selected for platelet transfusion in alloimmune thrombocytopenia, if required.
Very specialised area - consult pathologist.
Rossi EC ed. Principles of Transfusion Medicine. Williams and Wilkins 1991.