Detection of irregular antibodies by micro-gel test among pregnant women in Nanjing province
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摘要: 目的:探讨本地区孕妇人群不规则抗体的阳性率及分布。方法:使用微柱凝胶法对南京地区3 256例孕妇的血清进行不规则抗体的检测,对阳性者进行抗体特异性、免疫球蛋白类型、效价及37℃反应性的检测。结果:3 256例孕妇中检测出特异性不规则抗体16例,阳性率为0.49%。微柱凝胶法对抗体特异性鉴定为抗-Lea 1例,抗-M 3例,抗-E 5例,抗-D 4例,抗-Ec 2例,抗-c 1例。结论:特异性不规则抗体在本地区的分布较多的为抗-E、抗-M和抗-D,检测孕妇血型不规则抗体对早期诊断非ABO-HDN、为孕妇准备相合的血源以避免紧急输血时的配血困难都具有十分重要的临床意义。Abstract: Objective:To analyze the positive rate and distribution of irregular antibodies among pregnant women in Nanjing Province. Method:The irregular antibodies in maternal serum of 3256 pregnant women were detected using micro-gel test. The specificity of the antibody, type of immunoglobulin, titer and antibody reaction at 37℃ was determined for those pregnant women who tested positive for irregular erythrocyte antibody. Result:Sixteen out of the 3256 cases were positive for irregular antibodies, with positive rate of 0.49%. The specificity of 20 cases of irregular antibodies was as follows: 1 case of anti-Le (a), 3 cases of anti-M, 5 cases of anti-E, 4 cases of anti-D, 4 cases of anti-Ec and 1 case of anti-c.Conclusion:Anti-C,anti-E and anti-D occurred more frequently in this area. The detection of irregular RBC antibody might be of important clinical significance in early diagnosis of non-ABO-HDN and preparing matching blood in a timely manner for pregnant women to prevent transfusion reactions caused by the blood group incompatibility.
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