Triglyceride glucose index is an independent predictor for the progression of coronary artery calcification in the absence of heavy coronary artery calcification at baseline

Ki Bum Won, Eun Ji Park, Donghee Han, Ji Hyun Lee, Su Yeon Choi, Eun Ju Chun, Sung Hak Park, Hae Won Han, Jidong Sung, Hae Ok Jung, Hyuk Jae Chang

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Abstract

Background: Data on the relationship between the triglyceride glucose (TyG) index and coronary artery calcification (CAC) progression is limited. This longitudinal study evaluated the association of TyG index with CAC progression in asymptomatic adults. Methods: We enrolled 12,326 asymptomatic Korean adults who had at least two CAC evaluations. The TyG index was determined using ln (fasting triglycerides [mg/dL] × fasting glucose [mg/dL]/2). CAC progression was defined as a difference ≥ 2.5 between the square roots (âš) of the baseline and follow-up coronary artery calcium score (CACS) (Δâštransformed CACS). Annualized Δâštransformed CACS was defined as Δâštransformed CACS divided by the inter-scan period. Results: During a mean 3.3 years, the overall incidence of CAC progression was 30.6%. The incidence of CAC progression (group I [lowest]: 22.7% versus [vs.] group II: 31.7% vs. group III [highest]: 37.5%, P < 0.001) and annualized Δâštransformed CACS (group I: 0.46 ± 1.44 vs. group II: 0.71 ± 2.02 vs. group III: 0.87 ± 1.75, P < 0.001) were markedly elevated with increasing TyG index tertiles. Multivariate linear regression analysis showed that TyG index was associated with annualized Δâštransformed CACS (β = 0.066, P = 0.036). In multivariate logistic regression analysis, the TyG index was significantly associated with CAC progression in baseline CACS ≤ 100. Conclusion: The TyG index is an independent predictor of CAC progression, especially in adults without heavy baseline CAC.

Original languageEnglish
Article number34
JournalCardiovascular Diabetology
Volume19
Issue number1
DOIs
Publication statusPublished - 2020 Mar 16

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Cardiology and Cardiovascular Medicine

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