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甘油三酯-葡萄糖乘积指数与动脉硬化进展的回顾性队列研究

Association between triglyceride-glucose index and arterial stiffness progression:A retrospective cohort study
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摘要 目的:胰岛素抵抗(insulin resistance,IR)与动脉硬化和不良心血管病事件均存在密切关联。甘油三酯-葡萄糖(triglyceride-glucose,TyG)指数可作为评估IR的有效指标。本研究旨在探讨Ty G指数与动脉硬化进展风险的关系。方法:本研究为回顾性队列研究。选取2012年1月至2022年12月在中南大学湘雅三医院健康管理医学中心参加健康体检次数≥2且完成动脉硬化检测的成年人作为研究对象,收集其临床资料。TyG指数采用公式ln(甘油三酯×空腹血糖/2)计算。基线TyG指数分别以连续变量和四分位数的分类变量为自变量评价。动脉硬化进展采用臂踝脉搏波传导速度(brachial-ankle pulse wave velocity,baPWV)的年变化速率和新发动脉僵硬度增加为因变量评价。通过线性回归模型和Cox比例风险回归模型,探索TyG指数是否为动脉硬化进展的独立风险因素。根据年龄、性别、体重指数,以及是否合并2型糖尿病、高血压和高脂血症进行亚组分析,以确定TyG指数和动脉硬化进展之间的关联特征。结果:共纳入4971名研究对象,随访时间为(3.01±1.98)年。随访期间,baPWV的年变化速率为(24.94±81.15)cm/s,共计278例为新发动脉僵硬度增加。在全面校正混杂因素后,自变量为连续变量时,基线Ty G指数与baPWV的年变化速率(β=17.5,95%CI 9.00~25.94,P<0.001)和新发动脉僵硬度增加[风险比(hazard ratio,HR)=1.43,95%CI 1.18~1.74,P<0.001]呈独立正相关。自变量为分类变量时,与第1四分位数组相比,第2、3、4四分位数组的baPWV年变化速率依次增加,新发动脉僵硬度增加的风险也依次增高(均P<0.05)。年龄≥45岁、男性、BMI<28 kg/m2、高血压病、无高血压病、无2型糖尿病和无高脂血症亚组中,基线TyG指数(连续和分类变量)与新发动脉僵硬度增加具有明显关联(均P<0.05),各亚组均不存在显著的交互作用(均P>0.05)。结论:TyG指数与动脉硬化进展风险增加独立相 Objective:Insulin resistance(IR)is closely associated with atherosclerosis and adverse cardiovascular events.The triglyceride-glucose(TyG)index is an effective indicator for assessing IR.This study aims to explore the relationship between the TyG index and the risk of arterial stiffness progression.Methods:This retrospective cohort study included adults who had undergone at least 2 health examinations with arteriosclerosis testing at the Health Management Medical Center of the Third Xiangya Hospital,Central South University,between January 2012 and December 2022.Clinical data were collected.The TyG index was calculated using the formula of ln(triglycerides×fasting blood glucose/2).The baseline TyG index was assessed as both a continuous variable and as a quartile-based categorical variable.The progression of arteriosclerosis was evaluated by the annual change rate of brachial-ankle pulse wave velocity(baPWV)and the new onset of increased arterial stiffness.Linear regression model and Cox proportional hazard model were used to explore whether the TyG index is an independent risk factor for arterial stiffness progression.Subgroup analyses were performed based on age,gender,body mass index(BMI),and the presence of type 2 diabetes,hypertension,or hyperlipidemia to determine the characteristics of the association between the TyG index and arterial stiffness progression.Results:A total of 4971 participants were included,with a follow-up period of(3.01±1.98)years.During follow-up,the annual baPWV change rate was(24.94±81.15)cm/s,and 278 cases of new onset of increased aterial stiffness were recorded.After fully adjusting for confounding factors,the baseline TyG index was independently positively correlated with both the annual baPWV change rate(β=17.5,95%CI 9.00 to 25.94,P<0.001)and the risk of new onset of increased aterial stiffness[hazard ratio(HR)=1.43,95%CI 1.18 to 1.74,P<0.001]when the TyG index was treated as a continuous variable.When treated as a categorical variable,higher TyG index quartiles were associat
作者 朱小伶 陈嘉 刘雪莲 王雅琴 ZHU Xiaoling;CHEN Jia;LIU Xuelian;WANG Yaqin(Health Management Medical Center,Third Xiangya Hospital,Central South University,Changsha 410013;Xiangya School of Nursing,Central South University,Changsha 410013,China)
出处 《中南大学学报(医学版)》 CAS CSCD 北大核心 2024年第6期951-960,共10页 Journal of Central South University :Medical Science
基金 湖南省自然科学基金(2024JJ5543) 湖南省保健专项资金科研课题(A2023-06)。
关键词 胰岛素抵抗 甘油三酯-葡萄糖指数 动脉硬化进展 臂踝脉搏波传导速度 队列研究 insulin resistance triglyceride-glucose index arterial stiffness progression brachial-ankle pulse wave velocity cohort study
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