Abstract
To detect the IgM anti-A (B) and IgG anti-A (B) antibody titers of group O healthy donors in Hainan province area, to understand the distribution of O-type blood donor IgM and IgG antibody titers and to analyze the relationship between antibody titers, so as to provide experimental evidences for the safety and feasibility of urgent transfusion of uncrossmatched group O RBCs. Group O whole blood sample was collected from 80 volunteers blood donors. IgM antibody titrations was performed using the immediate spin (IS) tube, and IgG antibody titration were performed using the column agglutination technique with anti-human globulin (AHG). Using two-way ANOVA, paired t-test and correlation analysis, the different types of antibodies were compared. The IgM antibody titers distributed in 4-1 024, IgG antibody titer distributed in 2-2 048. Anti-A antibody titers of IgG were significantly higher than that of IgM anti-B, IgG anti-B and IgM anti-A titers (P < 0.05). There was a positive correlation bewteen IgM anti-A and anti-B, IgM anti-B and IgG anti-B, IgG anti-A and anti-B (P < 0.05). Group O blood donors have high antibody titers in Hainan province area, type O RBC suspensions should be first screened through screening the anti-A titer of IgG, so that can significantly improve the pass rate of O-type universal blood and reduce testing costs.
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