Association between the triglyceride-glucose index and albuminuria in hypertensive individuals
Yunfan Tian1, Jingyu Sun2, Ming Qiu1
1Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China.
Insights
The triglyceride-glucose (TyG) index is linked to increased albuminuria in hypertensive individuals. Higher TyG index levels correlate with a greater risk of this kidney damage marker in hypertension patients.
Area of Science:
- Cardiology
- Nephrology
- Metabolic Syndrome
Background:
- The triglyceride-glucose (TyG) index is a marker associated with vascular damage.
- Albuminuria signifies hypertension-mediated organ damage and elevated cardiovascular disease (CVD) risk.
- The relationship between the TyG index and albuminuria in hypertensive patients remains unclear.
Purpose of the Study:
- To investigate the association between an elevated TyG index and albuminuria in a hypertensive population.
- To determine if the TyG index can serve as a predictor for albuminuria in individuals with hypertension.
Main Methods:
- A population-based study involving 789 hypertensive participants.
- Logistic regression models were employed to analyze the association between TyG index quartiles and albuminuria.
- Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to quantify the risk.
Main Results:
- A significant positive association was found between the TyG index and albuminuria.
- Participants in higher TyG index quartiles (II, III, IV) showed significantly increased odds of albuminuria compared to the lowest quartile.
- The fully adjusted OR for the highest quartile (IV) was 3.46 (95% CI: 2.06-5.91).
Conclusions:
- The TyG index is positively associated with albuminuria in hypertensive patients.
- Elevated TyG index levels may indicate an increased risk of kidney damage in individuals with hypertension.
Background:
Previous studies have demonstrated that the triglyceride-glucose (TyG) index is significantly associated with vascular damage. Albuminuria is a marker of hypertension-mediated organ damage (HMOD) and has been linked to a greater risk of cardiovascular disease (CVD). However, the association between the TyG index and albuminuria in patients with hypertension is not clear. This population research focused on subjects with hypertension to investigate the association between an elevated TyG index and albuminuria.
Methods:
From September 2019 to November 2019, 789 hypertensive participants were involved in our research. Logistic regression models were performed to estimate the odds ratios (ORs) and 95% confidence intervals (CIs) for albuminuria according to the quartiles of the TyG index.
Results:
Multivariate logistic regression analysis revealed that the TyG index was significantly associated with albuminuria. Using the lowest TyG index quartile as the reference, the fully adjusted ORs (95% CIs) for albuminuria for TyG index quartile II, quartile III, and quartile IV were 1.90 (1.17-3.12), 1.81 (1.07-3.07), and 3.46 (2.06-5.91), respectively. The results in the subgroup analysis were similar to the main analyses except for the smokers. Restricted cubic spline curves based on logistic regression models evaluated the linear association between the TyG index and albuminuria (P for nonlinear = 0.831).
Conclusion:
The TyG index was positively associated with albuminuria among hypertensive participants.
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