在透析和移植患者中探索对COVID-19疫苗的免疫反应
Hui Wen You1, Soo Kun Lim2, Boon Hong Kong3
1Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Wilayah Persekutuan, Malaysia.
概括
透析患者对SARS-CoV-2疫苗表现出强烈的免疫反应,与移植接受者 (KTRs) 不同,他们的反应受损. 监测KTR对于识别不响应者和优化疫苗接种策略至关重要.
科学领域:
- 免疫学 免疫学 免疫学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 疫苗学 疫苗学 疫苗学
背景情况:
- 透析和移植接受者 (KTR) 的患者在接种疫苗后往往表现出降低的血清转换率.
- 在KTR中,免疫抑制疗法可能会进一步损害疫苗的疗效.
研究的目的:
- 研究和比较透析患者和KTRs中SARS-CoV-2疫苗诱导的免疫反应.
- 确定影响这些脆弱人群接种疫苗反应的因素.
主要方法:
- 在马来亚大学医学中心进行了前性研究.
- 在第三剂疫苗接种后,对62名透析患者和49名KTR患者的免疫反应进行了评估.
- 分析了抗体水平,T细胞反应和临床因素之间的相关性.
主要成果:
- 透析患者表现出高血清转化 (97.8%) 和T细胞反应 (77.4%).
- KTRs显示血清转化 (59.2%) 和T细胞反应 (44.9%) 显著降低,其中32.7%对两者都无反应.
- 在透析患者中,较低的BMI与降低的血清转化相关,而更长的透析持续时间和高血压与更好的抗体反应有关.
结论:
- 透析患者通常对SARS-CoV-2疫苗接种表现出强大的免疫反应,而KTR则表现出受损的反应.
- 临床因素如BMI,透析时间和高血压影响透析患者的疫苗疗效.
- 识别不响应的KTR对于考虑替代疫苗接种策略或修改免疫抑制治疗至关重要.
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