脏生物标志物,炎症,严重程度和因COVID-19而导致的死亡率之间的关系-一项两次时间点研究
Sara Soares Tozoni1, Ana Carolina Gadotti1, Erika Sousa Dias1
1Pós-Graduação em Ciências da Saúde, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba 80215-901, Brazil.
International journal of molecular sciences
|July 12, 2025
概括
在COVID-19患者中,急性损伤 (AKI) 与较高的死亡率有关. 损伤生物标志物,如cystatin C (CysC) 和NGAL,以及低白蛋白,表明风险增加和全身炎症.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 传染性疾病 传染性疾病
- 免疫学 免疫学 免疫学
背景情况:
- 急性损伤 (AKI) 影响大约25%的COVID-19患者,预后恶化.
- 严重的COVID-19与影响疾病严重性的过度活跃免疫反应有关.
- 了解炎症和功能之间的相互作用对于COVID-19患者的治疗结果至关重要.
研究的目的:
- 调查损伤生物标志物,炎症调解物和COVID-19患者死亡率之间的相关性.
- 确定预测住院COVID-19患者死亡风险的特定生物标志物.
- 在COVID-19的背景下阐明系统性炎症和功能障碍之间的关系.
主要方法:
- 来自390名COVID-19患者的血液样本在入院和预结果时被分析.
- 血清囊C (CysC) 和白蛋白被测量通过nephelometry.
- 使用ELISA量化了血中性纤维糖酶相关性脂卡林 (NGAL) 和炎症调解剂 (细胞因子).
主要成果:
- 较低的血清白蛋白和较高的CysC和NGAL水平与死亡率的增加显著相关.
- 较高的炎症媒介水平与较低的白蛋白和较高的CysC和NGAL相关.
- 细胞因子和损伤生物标志物 (NGAL,CysC,低白蛋白) 的升高强烈预测了COVID-19患者的较高死亡率.
结论:
- 损伤生物标志物和炎症调解剂是COVID-19死亡风险的关键指标.
- 监测CysC,NGAL,白蛋白和细胞因子水平可以帮助识别高风险患者.
- 这些发现支持改善患者管理策略,并强调在COVID-19期间评估功能的重要性.
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