研究红细胞抗体的频率和特异性在患有血红蛋白病变的患者中
Manal M Wilson1, Manal M W El Masry1, Mona Kamal El-Ghamrawy2
1Departments of Clinical and Chemical Pathology, Faculty of Medicine, Cairo University, Cairo, Egypt.
概括
红细胞配免疫影响了11%的埃及患有血病和状细胞病 (SCD) 的患者. 凯尔和Rh-E抗原是最常见的,突出显示在输血之前需要扩展红细胞表型.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 输血医学 输血医学
背景情况:
- 输血对于治疗血病和状细胞疾病 (SCD) 至关重要.
- 在这些患者中,红细胞合免疫是输血的重要并发症.
- 了解与免疫接种的流行率对于优化输血策略至关重要.
研究的目的:
- 为了确定红细胞合免疫的流行率和特异性,在埃及患有血病和状细胞贫血的患者中.
- 为了确定这个患者群体中常见的alloantibodies.
- 评估与非免疫接种相关的风险因素.
主要方法:
- 一项对200名多次输血的埃及患者 (140名沙拉西米亚患者,60名SCD患者) 的研究.
- 使用Diamed-ID微型化系统进行抗体鉴定.
- 对流行率,抗体特异性和潜在风险因素的分析.
主要成果:
- 总体而言,与免疫接种的患病率为11% (22/200名患者).
- 最常见的抗体是针对Kell (37%) 和Rh-E (30%) 抗原.
- 在Rh-D阴性患者 (p=0.01) 中观察到与免疫接种的统计学上显著差异.
结论:
- 在输血前推扩展红细胞表型,用于血红蛋白病患者.
- 建议对埃及血红蛋白病患者进行Kell和Rh抗原的输血前表型化.
- 积极的表型化可以减轻免疫接种风险,提高输血安全.
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