ABSTRACT
【Objective】 To observe the distribution of non-ABO-HDN and its clinical relevance, so as to provide reference for clinical diagnosis and treatment. 【Methods】 A total of 287 cases of non-ABO-HDN recorded during January 2012 to August 2022 were enrolled and tested in our laboratory. The correlation between maternal history of blood transfusion, pregnancy, unexpected antibody titers, gender, ABO-HDN and transfusion therapy was analyzed by chi-square test. 【Results】 All 287 cases of non-ABO-HDN involved 13 kinds of unexpected antibodies of 6 blood group systems. Rh-HDN accounted for 96.17% (276/287), and anti-D-HDN accounted for 47.04% (135/287). The proportion of non-ABO-HDN patients without ABO-HDN requiring exchange/transfusion was significantly higher than that of non-ABO-HDN patients with ABO-HDN(P8) was significantly higher than that in the low titer group (≤8) (P<0.05). There was no significant difference in gender, mother′s history of blood transfusion, pregnancy and whether or not to exchange/transfusion (severity of illness). 【Conclusion】 Understanding the characteristics of non-ABO-HDN and the specific distribution of unexpected antibodies, the correlation between various factors and diseases and their clinical significance are conductive to timely taking necessary intervention measures and reducing the risk of complications.
ABSTRACT
Objective For the second children diagnosed as ABO hemolytic disease of the newborn(ABO-HDN),we made a comprehensive analysis of the related indicators of prenatal and postpartum,so as to achieve early prevention,early diagnosis and early treatment.Methods Prenatal microcolumn gel assay was used to detect the father and mother's blood type and mother's irregular antibody,mother serum IgG anti A(B)anti-body titer.Microcolumn gel assay was used to detect hemolysis three tests after the production of pregnant women.The results were divided into five groups according to the results of hemolysis three tests:group A[di-rect antiglobulin test(+),free antibodies test(+)and antibody releasing test(+)],group B[direct antiglobu-lin test(-),free antibodies test(+)and antibody releasing test(+)],group C[direct antiglobulin test(+), free antibodies test(-)and antibody releasing test(+)],group D[direct antiglobulin test(-),free antibod-ies test(-)and antibody releasing test(+)]and group E[direct antiglobulin test(+),free antibodies test (-)and antibody releasing test(-)].Total bilirubin,unbound bilirubin,hemoglobin,reticulocyte percentage and lactate dehydrogenase were detected by automatic analyzer.Results ABO-HDN children hemolysis three tests,in the 5 groups,the higher the titer of the mother's IgG anti A(B)antibody,the more serious the child' s condition was,the difference was statistically significant(P<0.05).Reticulocyte percentage and lactate de-hydrogenase in the five groups,the difference was statistically significant(P<0.05).Conclusion A combina-tion of antenatal and postnatal multiple laboratory test parameters is more accurate in predicting the second child ABO-HDN.At the same time,it helps to master the state of the disease and reduce the occurrence of complications and sequelae.