Correlation between high density lipoprotein-cholesterol and remodeling index in patients with coronary artery disease: IDEAS (IVUS diagnostic evaluation of atherosclerosis in Singapore)-HDL study

  • Chi-Hang Lee
  • Bee-Choo Tai
  • Gek-Hsiang Lim
  • Mark Y. Chan
  • Adrian F. Low
  • Kathryn C. Tan
  • Boon-Lock Chia
  • Huay-Cheem Tan
Original Paper


Serum level of high density lipoprotein (HDL)-cholesterol is associated with risk of coronary artery disease. We correlated the serum level of cholesterol with coronary artery remodeling index of patients with coronary artery disease. A total of 120 patients with de novo lesions located in native coronary artery were studied. Remodeling index was based on intravascular ultrasound (IVUS) interrogation of the lesions using the static approach, and was defined as external elastic membrane (EEM) area at lesion/average EEM area at proximal and distal reference segments. The average remodeling index was 0.9 (SD: 0.2). The remodeling index was not associated with any of the demographic and coronary risk factors. Stable angina was associated with a low remodeling index. Remodeling index correlated with white blood cell count and HDL-cholesterol, but not with total cholesterol, LDL-cholesterol and triglyceride. In the multiple linear regression analysis, HDL-cholesterol and procedure indication were the only 2 significant predictors of remodeling index. An increase of 1 mg/dL of HDL-cholesterol resulted in a decrease of 0.003 (95% CI: 0.0001, 0.007; P = 0.046) in remodeling index, after adjusting for procedural indications. When stratified according to diabetic status, the negative correlation persisted in non-diabetic (P = 0.023), but not in diabetic, patients (P = 0.707). We found a negative correlation between HDL-cholesterol level and remodeling index. Diabetic status may have an influence on the observed relationship.


High density lipoprotein cholesterol Coronary artery Remodeling index Intravascular ultrasound 



The authors would like to thank the Publication Support Unit of the National University Health System, Singapore, for its assistance in the preparation of this manuscript. Start-up Grant, Yong Loo Lin School of Medicine, National University of Singapore.


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Copyright information

© Springer Science+Business Media, B.V. 2010

Authors and Affiliations

  • Chi-Hang Lee
    • 1
    • 2
  • Bee-Choo Tai
    • 3
    • 4
  • Gek-Hsiang Lim
    • 3
  • Mark Y. Chan
    • 1
    • 2
  • Adrian F. Low
    • 1
    • 2
  • Kathryn C. Tan
    • 5
  • Boon-Lock Chia
    • 1
    • 2
  • Huay-Cheem Tan
    • 2
  1. 1.Department of MedicineYong Loo Lin School of Medicine, National University of SingaporeKent RidgeSingapore
  2. 2.National University Heart Centre Singapore, National University of SingaporeKent RidgeSingapore
  3. 3.Department of Epidemiology and Public HealthNational University of SingaporeKent RidgeSingapore
  4. 4.Investigational Medicine UnitNational University Health SystemKent RidgeSingapore
  5. 5.Department of MedicineUniversity of Hong KongPokfulamHong Kong

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