经过暂时性缺血性发作后痴呆的长期发病率:一个纵向队列研究
Vasileios-Arsenios Lioutas1,2, Gina Peloso2,3, Jose Rafael Romero2,4
1Department of Neurology Beth Israel Deaconess Medical Center, Harvard Medical School Boston MA USA.
Journal of the American Heart Association
|July 4, 2025
概括
过渡性缺血性发作 (TIA) 在20年内不会显著增加痴呆风险. 然而,TIA促使有益的生活方式和治疗改变,这可能会降低心血管风险.
科学领域:
- 神经学 神经学
- 心血管医学 心血管医学
- 老年病的医生 老年病的医生
背景情况:
- 过渡性缺血性发作 (TIA) 和痴呆症之间的联系尚未完全理解.
- 评估TIA后的认知结果至关重要,因为TIA可能预示着未来的痴呆风险.
- 这项研究研究了TIA和相关的血管风险因子修改后的长期痴呆发病率.
研究的目的:
- 为了确定第一个过渡性缺血性发作 (TIA) 后20年痴呆的发病率.
- 检查TIA发生是否导致血管风险因素管理的变化.
- 为了比较TIA患者的痴呆率与没有TIA的匹配对照.
主要方法:
- 一个嵌套匹配的纵向队列研究是使用Framingham心脏研究数据进行的.
- 没有痴呆症或TIA的参与者根据年龄和性别与60岁以上发生TIA的参与者进行了匹配 (5:1).
- 主要终点是所有原因的痴呆症的20年累积发病率.
主要成果:
- 这项研究包括297名TIA参与者和1485名对照者. 在TIA患者中,高血压,冠心病和心房动的发病率较高.
- 在8.9年的中位随访期间,痴呆发病率相似:TIA组的19%,对照组的24% (HR,0.93;P=0.63).
- 在TIA患者中,吸烟减少 (18%至11%),抗凝剂使用增加 (3%至18%),阿司匹林使用增加 (46%至61%).
结论:
- 在TIA患者和匹配的对照组之间在20年内没有观察到痴呆症发病率的显著差异.
- 似乎TIA引发了治疗和行为方面的积极变化,可能降低心血管风险.
- 需要进一步的随机研究来确认这些降低风险的策略是否能减轻随后的痴呆风险.
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