在以前患有冠心病的年轻患者中,甘油三指数与心肌梗塞复发之间的关联
Xue-Yao Yang1, Ke Li2, Jian-Qiao Song3
1Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
Scientific reports
|August 26, 2025
概括
胰岛素抵抗的标志物甘油三指数 (TyG) 在基线时没有预测冠状动脉疾病的年轻患者的心脏病的复发. 然而,随访时TyG指数升高表明心肌梗塞复发的风险较高.
科学领域:
- 心脏病学
- 代谢综合征
- 生物标志物研究
背景情况:
- 甘油三指数 (TyG) 是一种已验证的胰岛素耐药性的生物标志物.
- 之前的研究支持其对一般人群心血管疾病的预测能力.
- 在冠心病 (CHD) 的年轻患者中预测不良结果,特别是复发性心肌梗塞 (MI) 的作用需要进一步研究.
研究的目的:
- 在被诊断为冠心病的年轻患者中,研究甘油三指数 (TyG) 与心肌梗塞 (MI) 复发风险之间的关联.
- 将基线TyG指数的预测值与该特定人口中的反复性MI的终点TyG指数进行比较.
主要方法:
- 一个回顾性队列研究,涉及1,013名初始诊断为心脏病的年轻患者 (18至44岁).
- 数据收集包括基线特征和在平均后续2.2年内出现的复发性心脏病发作.
- 统计分析采用多变量考克斯回归,逻辑回归和受限立方线模型来评估TyG指数 (基线和终点) 与复发性心脏病之间的相关性.
主要成果:
- 从基线 (9. 23 ± 0. 71) 到随访终点 (9. 04 ± 0. 74) 的平均TyG指数显著下降.
- 在基线TyG指数和复发性MI之间没有发现显著的关联.
- 随访终点的TyG指数升高与复发性心脏病发作的风险显著增加 (OR=1. 36,95% CI:1. 08-1. 84),最高的三分之一与最低的三分之一相比增加了2. 12倍.
结论:
- 在年轻的心脏病患者的随访期间,甘油三指数 (TyG) 显著下降.
- 终点TyG指数,而不是基线测量,被证明是复发性MI的更有效预测指标.
- 在患有冠状动脉疾病的年轻人中,提升的终点TyG指数对预测和可能预防复发性心脏病发作具有显著的临床意义.
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