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Association between triglyceride-glucose index and endothelial dysfunction.

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This summary is machine-generated.

The triglyceride-glucose (TyG) index is linked to endothelial dysfunction, a precursor to cardiovascular issues. This association is particularly notable in individuals without diabetes mellitus, highlighting the index

Keywords:
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Area of Science:

  • Cardiovascular Medicine
  • Endocrinology
  • Metabolic Syndrome Research

Background:

  • The triglyceride-glucose (TyG) index is a recognized indicator of insulin resistance (IR).
  • Previous studies identified the TyG index as a predictor of arterial damage and cardiovascular events.
  • The relationship between the TyG index and endothelial dysfunction requires further investigation.

Purpose of the Study:

  • To examine the association between the TyG index and endothelial dysfunction.
  • To determine if the TyG index can predict endothelial dysfunction.

Main Methods:

  • Flow-mediated dilation (FMD) was utilized to assess endothelial function.
  • 840 participants underwent FMD measurements between October 2016 and January 2020.
  • The TyG index was calculated using the formula: Ln [fasting triglyceride (mg/dL) × fasting plasma glucose (mg/dL)/2].

Main Results:

  • A statistically significant correlation was observed between the TyG index and FMD values (P=0.022).
  • An increase in the TyG index was associated with reduced FMD, indicating endothelial dysfunction (β=-0.330, P=0.020).
  • The association was significant in specific subgroups: individuals younger than 60, females, and those without diabetes mellitus.

Conclusions:

  • Elevated TyG index is associated with a higher likelihood of endothelial dysfunction.
  • The TyG index is a significant predictor of endothelial dysfunction, especially in non-diabetic populations.
  • These findings underscore the clinical relevance of the TyG index in assessing cardiovascular risk.