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Low HDL-C predicts risk and PCI outcomes in the Han Chinese population

Qun Lu1, Gang Tian, Yong Zhang

  • 1Department of Cardiovascular Medicine, First Affiliated Hospital of Medical College, School of Medicine of Xi'an Jiaotong University, and Institute of Cardiovascular Channelopathy, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), the Ministry of Education, Key Laboratory of Molecular Cardiology, No. 277 Yanta West Road, Xi'an, Shaanxi Province 710061, PR China.

Atherosclerosis
|October 31, 2012
PubMed

Insights

Low high-density lipoprotein cholesterol (HDL-C) strongly predicts coronary heart disease (CHD) risk and outcomes in the Han Chinese population. This finding highlights HDL-C as a crucial lipid marker for cardiovascular health in this demographic.

Area of Science:

  • Cardiology
  • Lipid Metabolism
  • Public Health

Background:

  • High-density lipoprotein cholesterol (HDL-C) is a known predictor of coronary heart disease (CHD) in Western populations.
  • The predictive role of HDL-C in Chinese populations, specifically the Han Chinese, remains less understood.
  • This study aimed to clarify the association between HDL-C levels and CHD risk and outcomes in the Han Chinese population.

Purpose of the Study:

  • To evaluate the diagnostic value of HDL-C for CHD in the Han Chinese population.
  • To determine the predictive capability of HDL-C for major adverse cardiovascular events (MACE) in Han Chinese patients with CHD who have undergone percutaneous coronary intervention (PCI).

Main Methods:

  • A case-control study compared plasma HDL-C levels between CHD patients and healthy controls.
  • A prospective cohort study followed CHD patients post-PCI to assess the relationship between HDL-C levels and MACE development.
  • Statistical analyses included logistic regression, stratified analysis, Kaplan-Meier analysis, and Cox regression.

Main Results:

  • Case-control study: Significantly lower HDL-C levels were observed in CHD patients compared to controls (P < 0.05). HDL-C showed the strongest association with CHD among lipid parameters.
  • Prospective cohort study: Patients with low HDL-C post-PCI had a significantly higher incidence of MACE (24.9%) compared to those with high HDL-C (6.8%, P < 0.05).
  • Low HDL-C was identified as an independent predictor of MACE during follow-up (hazard ratio = 0.395, P = 0.005).

Conclusions:

  • Low HDL-C is a powerful and independent predictor of both the risk and clinical outcomes of CHD in the Han Chinese population.
  • HDL-C levels are significantly associated with CHD diagnosis and prognosis in this specific ethnic group.
  • These findings underscore the importance of monitoring HDL-C for cardiovascular risk assessment in Han Chinese individuals.
Abstract

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