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尿酸升高和甘油代谢受损预测缺血性中风后妇女的死亡率
Amy May Lin Quek1, Ooiean Teng2, Ju-Hea Park2
1Division of Neurology, Department of Medicine, National University Hospital, Singapore; Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
Free radical biology & medicine
|July 11, 2025
概括
高尿酸 (UA) 水平显著增加女性的死亡风险后缺血性中风,与干扰的甘油三代谢相关. 这突出了UA和甘油三路径作为中风幸存者的潜在治疗点.
科学领域:
- 心血管医学 心血管医学
- 神经学 神经学
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 尿酸 (UA) 对缺血性中风结果的影响的性别特异性差异尚未得到充分理解.
- 尿酸的预后作用和中风的潜在机制,特别是关于基于性别的差异,需要进一步研究.
研究的目的:
- 研究尿酸水平在急性缺血性中风患者的预后作用.
- 为了确定尿酸和中风结局之间的关系的性别特异性.
- 探索与尿酸和中风死亡率相关的潜在分子机制,包括荷尔蒙和代谢途径.
主要方法:
- 对765名急性缺血性中风患者和年龄相匹配的对照进行前性队列研究.
- 尿酸,激素和中风相关生物标志物的基线和3个月测量.
- 蛋白质组分析以探索UA相关的分子通路;对所有原因死亡率的长期随访.
主要成果:
- 尿酸水平升高与女性的生存率降低有关 (log-rank p=0.011),但男性没有.
- 在最高UA四分位数 (>370μmol/l) 中的女性有显著增加的死亡风险 (调整HR9.56).
- 在女性的UA四分位数中增加NT-proBNP和甘油三,在高UA组中发现了改变的甘油三代谢途径.
结论:
- 妇女中风后尿酸升高表明死亡风险高,与中断的甘油三代谢密切相关.
- 具体的小组分析显示,UA高,甘油三低的女性面临着最大的死亡风险 (HR 4.16).
- 尿酸和甘油三路径代表了改善女性中风幸存者的治疗结果的潜在治疗标.
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