1、简述血凝实验的原理、意义和结果的判定方法。血凝试验又称为Coombs试验，是检测抗红细胞不完全抗体的一种的方法。还可采用专一特异性的抗球蛋白的血清如IgG血清、抗IgA或抗IgM以及抗补体血清等，分析结合于红细胞 Performing a direct Coombs test may help detect the presence of autoantibodies For cases involving cold autoantibodies or cold reactive alloantibodies, incubating the red cells at 37 °C can help prevent cold agglutination coombs试验是什么意思Coombs试验即抗人球蛋白试验，是检测血液中温反应性抗体的一种方法，也是诊断自身免疫性溶血性贫血的重要指标。温抗体中50%以上由IgG介导，其次为IgM，IgA和C3d等，因此本试验应分选各种单克隆 Positive Coombs test , evidence of extravascular rather than intravascular hemolytic anemia (Oxf Med Case Reports 2020;2020:omz125) Various presentations of microangiopathic and macroangiopathic anemia Sickle cell disease: Vaso-occlusion and vasculopathy with early onset and chronic progression (Intern Emerg Med 2019;14:1051)
