Evidence mapPaperPMID 42058483Full record

ArticleFrontiers in cardiovascular medicine2026

Threshold effects of insulin resistance on cognitive function in coronary heart disease: the non-linear diagnostic value of the triglyceride-glucose index.

Shun Zhao, Yejing Zhao, Xiaohong Wu, Changjiang Li, Hongyu Peng

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Article in Frontiers in cardiovascular medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Shun ZhaoBeijing Anzhen Hospital, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China.
Yejing ZhaoBeijing Anzhen Hospital, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China.
Xiaohong WuBeijing Anzhen Hospital, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China.
Changjiang LiBeijing Anzhen Hospital, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China.
Hongyu PengBeijing Anzhen Hospital, and Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Insulin resistance contributes to cognitive dysfunction in patients with coronary heart disease (CHD). We examined the dose-response relationship between the triglyceride-glucose (TyG) index and cognitive status in this population. Methods: We analyzed data from 839 CHD patients, classifying cognitive function as Normal Cognition, Mild Cognitive Impairment, Severe Cognitive Impairment. Logistic regression and restricted cubic splines modeled the associations. We calculated net reclassification improvement (NRI) and integrated discrimination improvement (IDI) to test the predictive value of TyG beyond standard risk factors. Results: The severity of cognitive impairment increased with increasing TyG levels. In fully adjusted models, compared to the lowest tertile, the highest TyG tertile was associated with mild cognitive impairment (OR: 1.866, 95% CI: 1.268-2.748) and severe cognitive impairment (OR: 3.255, 95% CI: 1.870-5.668). Spline analysis showed a J-shaped curve for severe cognitive impairment ( Conclusion: In patients with CHD, the TyG index identifies a specific metabolic threshold associated with severe cognitive impairment. The distinct non-linear trajectory and significant reclassification improvement suggest that the TyG index captures residual metabolic-inflammatory risk not addressed by traditional factors, highlighting its utility as a target for neuroprotective strategies.

Indexed as

cognitive dysfunctioncoronary heart diseaseinsulin resistancerisk stratificationtriglyceride-glucose index

Identifiers

PMID42058483
PMCPMC13120895

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.