Objective To investigate the feasibility of capillary centrifugation for identification of Duffy blood group in patients after transfusion.Methods Inpatients with a recent history of blood transfusion and Duffy antibodies detected,reticulocytes were obtained by capillary separation method.Results After capillary centrifugation,the patient's direct antiglobulin test(DAT)was negative,and Duffy phenotype was Fy(a+b-),which was consistent with the result of antibody identification.Conclusion The capillary separation technique can be used to detect antigen in serum with IgG reagent.
维普
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