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J Clin Lipidol. 2017 Jul - Aug;11(4):1007-1012. doi: 10.1016/j.jacl.2017.05.013. Epub 2017 Jun 6.

Relationship between simple markers of insulin resistance and coronary artery calcification.

Author information

1
Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA. Electronic address: greaven@stanford.edu.
2
Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
3
The Cooper Institute, Dallas, TX, USA.
4
Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, CA, USA.

Abstract

BACKGROUND:

Insulin resistance in apparently healthy persons is associated with a cluster of metabolic abnormalities that promote coronary atherosclerosis. Identifying these individuals before manifest disease would provide useful clinical information.

OBJECTIVE:

We hypothesized that combining 2 simple markers of insulin resistance, prediabetes (PreDM) and triglyceride (TG) concentration ≥150 mg/dL, would identify apparently healthy persons with adverse cardiometabolic risk profiles and increased coronary artery calcium (CAC) compared with those with neither or only 1 abnormality.

METHODS:

A cross-sectional analysis was performed using data from 25,886 apparently healthy individuals (18,453 men and 7433 women) evaluated at the Cooper Clinic from 1998 to 2015. Participants were divided into those with a normal fasting glucose concentrations (<100 mg/dL = normal fasting glucose) or PreDM (fasting plasma glucose ≥100 and <126 mg/dL) and further subdivided into those with a plasma TG concentration <150 or ≥150 mg/dL. These 4 groups were compared on the basis of multiple coronary artery disease risk factors and the presence of CAC determined during their evaluation.

RESULTS:

Participants with PreDM and a TG concentration ≥150 mg/dL had a significantly more adverse coronary artery disease risk profile than individuals with either abnormality or only 1 abnormality (PreDM or TG concentration ≥150 mg/dL). Furthermore, the odds of detectable CAC were higher in participants with PreDM and a TG ≥ 150 mg/dL than in participants with neither or only 1 abnormality.

CONCLUSION:

The presence of 2 markers of insulin resistance, PreDM and TG concentration ≥150 mg/dL, is associated with increased cardiometabolic risk and detectable CAC within a population of apparently healthy individuals.

KEYWORDS:

Cardiometabolic risk; Coronary artery calcium; Hypertriglyceridemia; Insulin resistance; Prediabetes

PMID:
28652190
PMCID:
PMC6686183
DOI:
10.1016/j.jacl.2017.05.013
[Indexed for MEDLINE]
Free PMC Article

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