Quantitative determination of agglutination based on the automatic hematology analyzer and the clinical significance of the erythrocyte-specific antibody.

The objective of this work was to explore the similarities and differences between the automatic hematology analyzer method and the traditional slide method in the detection of red blood cell (RBC) agglutination, and demonstrate that the automatic hematology analyzer is more intuitive and reliable for the detection of RBC agglutination. A further objective was to establish a new method to facilitate new ideas for clinical research. Type A serum was selected and diluted 1:2, 1:4, 1:8, 1:16, and 1:32, to react with the type B cells and the normal saline group was used as the control group. An RBC count was performed using an automatic hematology analyzer, after incubation in a warm bath for 30 min. The degree of agglutination on the glass slide was also recorded. A positive serum of antinuclear antibody (ANA) was collected and RBC agglutination between RBC-O and ANA positive serum was determined using the automatic hematology analyzer method. The relationship between the results from the automatic hematology analyzer and the agglutination strength using the glass slide method was determined. There was a significant difference between the serum of ANA positive patients and the normal control group (P < 0.05). A new method for detecting RBC agglutination using an automatic hematology analyzer has been established and is a valid tool for clinical research.

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