甘油三指数作为心脏手术后死亡率的预测指标
Huili Li1,2, Fei Xiao2, Haiqiang Ren3
1Emergency Department, The State Key Laboratory for Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
iScience
|December 2, 2024
概括
甘油三糖 (TyG) 指数是胰岛素抵抗的标志物,预测心脏手术患者的死亡风险更高. 这种预后标志物与不良结果有显著的关联.
科学领域:
- 心脏病学 心脏病学
- 代谢综合征是代谢综合征的一种.
- 关键护理医学 关键护理医学
背景情况:
- 胰岛素耐药性,由甘油三糖 (TyG) 指数表示,与心脏问题有关.
- 心脏手术后死亡率的TyG指数的预测值尚未得到充分确立.
研究的目的:
- 调查心脏手术患者的甘油三糖指数 (TyG) 和死亡率之间的关联.
- 评估TyG指数作为心脏手术后长期生存的预后标记.
主要方法:
- 来自MIMIC-IV数据库的1,810名心脏手术患者的分析.
- 基于TyG指数水平的患者分层.
- 考克斯回归,时间依赖的ROC分析和受限制的立方线被用来评估死亡风险.
主要成果:
- 较高的TyG指数水平与死亡风险增加相关 (HR = 1.206,p < 0.001).
- 时间依赖的ROC分析在1,3年和5年显示出强大的预测性表现 (AUC为0.914,0.857,0.801).
- 在预测心脏手术死亡率方面,TyG指数模型超过了现有的评分系统.
结论:
- 提升的TyG指数是心脏手术后死亡率的重要预测指标.
- 泰格指数显示为心脏手术患者的有价值的预后工具.
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