系统性炎症标志物升高与认知衰退进展风险之间的关联:一项纵向研究
1Department of Neurology & Innovation Center for Neurological Disorders, Xuanwu Hospital, National Center for Neurological Disorders, Capital Medical University, Beijing, China.
背景:
慢性全身性炎症与认知功能下降的发病机制相关。本研究探讨了一组临床队列中全身性炎症标志物与认知功能下降进展之间的关联。
方法:
这项前瞻性观察性队列研究共纳入295名参与者。认知功能下降的进展通过临床痴呆评定(CDR)评分的升高来定义。本研究探讨了全身性炎症标志物,包括全身炎症反应指数(SIRI)、全身免疫-炎症指数(SII)、预后炎症与营养指数(PINI),与认知功能障碍进展之间的相关性。
结果:
APOE 4等位基因携带状态及糖尿病 mellitus 与较高的 PIV 水平相关(P < 0.05)。此外,AD 患者的 SII 水平最高,提示其炎症程度高于 MCI 和 SCD 个体(P < 0.05)。经过平均 17 个月的随访,117 例患者(51.31%)出现认知功能下降进展。AD 诊断、CDR 评分和 SII 是认知功能下降进展的显著预测因子(均 P < 0.05)。
结论:
本研究强调了全身性炎症标志物升高在识别认知功能下降风险个体中的临床意义。干预炎症可能为改善认知健康及减缓年龄相关性认知衰退提供一种有前景的策略。
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