Effect of IgG anti AB antibody on the correlation analysis between the titer of blood group antibodies and total bilirubin in serum of newborns with hemolytic disease
Journal Title: Chinese Journal of Blood Transfusion - Year 2023, Vol 36, Issue 11
Abstract
Objective To investigate the correlation between the titer of anti-A or anti-B antibodies before and after the absorption of IgG anti-AB antibodies in the serum of type O mothers with ABO hemolytic disease of fetus and newborn (ABO-HDFN) and the total bilirubin in the serum of the children. Methods Serum samples from 119 children diagnosed with ABO-HDFN and their mothers sent to the Beijing Red Cross Blood Center from January to December 2020 were selected, and clinical data of the children were collected. Three hemolysis tests and serum total bilirubin (TBIL) determination were conducted on the children. IgG anti-A or anti-B antibody titers were tested before and after the mother′s serum absorbed IgG anti-AB antibodies. Statistical analysis was conducted on the IgG antibody titers and the TBIL results of the children. The differences in TBIL results corresponding to different IgG antibody titers were compared. The Spearman test was used to analyze the correlation between the IgG anti-A or -B antibody titers and TBIL results before and after the absorption of IgG anti-AB antibodies. Results There were differences in the TBIL results corresponding to IgG anti-A or anti-B titers at different levels in the serum of type O mothers after absorption by IgG anti-AB antibodies (F=8.401, 19.622, P<0.05). There was no significant correlation between the IgG anti-A or anti-B titers of maternal serum before absorption by IgG anti-AB antibodies and neonatal TBIL results (r=0.181, 0.248, P>0.05). The IgG anti-A or anti-B titers of maternal serum absorbed by IgG anti-AB antibodies were positively correlated with neonatal TBIL results (r=0.487, 0.629, P<0.05). Conclusion There is a positive correlation between the titer of IgG anti-A or anti-B antibodies in the serum of type O mothers after absorbing IgG anti-AB antibodies and the TBIL results of ABO-HDFN children. The trend of increased total bilirubin in newborn serum ban be accurately predicted by detecting the titer level of IgG anti-A or anti-B antibodies in the serum of mothers after absorbing IgG anti-AB antibodies.
Authors and Affiliations
Yi ZHANG, Chen CHENG, Yijing CHEN, Qun LUO, Hailong ZHUO
Keywords
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- EP ID EP738687
- DOI 10.13303/j.cjbt.issn.1004-549x.2023.11.007
- Views 61
- Downloads 0
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