Lipids & metabolic liver disease

Effect of changes in the triglyceride-glucose index on atherogenic lipid profiles in coronary artery disease patients receiving lipid-lowering therapy: a prospective cohort study

Cardiovasc DiabetolPublished Prospective cohort study

Authors' conclusion

Higher TyG levels were positively associated with atherogenic lipid profiles and failure to achieve lipid goals. In addition, upward changes in TyG over time were related to worsened atherogenic lipid status, particularly among patients receiving low-/moderate-intensity LLT. These findings support the routine monitoring of TyG to identify patients at risk of poor lipid control who may require high-intensity LLT.

Study context

Population
Patients with coronary artery disease (CAD) receiving lipid-lowering therapy (LLT), followed over a median of one year
Participants
1,393 patients
Exposure
Baseline levels and changes in triglyceride-glucose (TyG) index vs atherogenic lipid parameters
Outcome
Association of baseline TyG with failure to achieve lipid targets
Follow-up
follow-up

Main finding

As reported in the abstract

Higher baseline TyG and failure to achieve Non-HDL-C target, OR

1.23 (1.01-1.51) (95% CI)

Higher baseline TyG and failure to achieve remnant cholesterol (RC) target, OR

1.38 (1.09-1.76) (95% CI)

Observational data: associations, not effects.

Further findings

Percent increase in lipids per 1% increase in TyG index

LDL-C, β
1.10
Non-HDL-C, β
1.81
RC, β
4.92
P (all)
P < 0.001

TyG tertile transitions

Lowest to highest TyG tertile: significant lipid worsening; highest to lowest: reductions in RC and Non-HDL-C

LLT intensity

High-intensity LLT led to greater reductions in TyG and lipid levels, mitigating the adverse lipid effects of TyG elevation

Subgroups

Adverse effects more evident in women and in those with obesity or prior revascularization

Original publication

Effect of changes in the triglyceride-glucose index on atherogenic lipid profiles in coronary artery disease patients receiving lipid-lowering therapy: a prospective cohort study. Cardiovasc Diabetol. Published 30 September 2025. doi:10.1186/s12933-025-02910-6

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