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Published on: October 12, 2017

[Association between lipoprotein(a) and coronary artery disease]

Guan Wang1, Yan-fang Li

  • 1Department of Cardiology, Beijing Anzhen Hospital, Capital University of Medical Science, Beijing 100029, China.

Zhonghua Xin Xue Guan Bing Za Zhi
|November 9, 2010
PubMed

Insights

Elevated lipoprotein(a) [Lp(a)] levels are strongly associated with coronary artery disease (CAD). This study identifies Lp(a) as the most potent independent risk factor for diagnosing CAD.

Area of Science:

  • Cardiology
  • Biochemistry
  • Medical Diagnostics

Background:

  • Coronary artery disease (CAD) poses a significant global health burden.
  • Identifying reliable biomarkers for CAD risk is crucial for early diagnosis and prevention.
  • Lipoprotein(a) [Lp(a)] has been implicated as a potential risk factor, but its independent predictive value requires further investigation.

Purpose of the Study:

  • To investigate the correlation between plasma lipoprotein(a) [Lp(a)] levels and the presence of coronary artery disease (CAD).
  • To determine if Lp(a) serves as an independent risk factor for CAD, beyond traditional lipid profiles.

Main Methods:

  • A cohort of 1011 patients undergoing coronary angiography for chest pain was analyzed.
  • Patients were categorized into CAD (n=613) and non-CAD control (n=398) groups.
  • Plasma levels of Lp(a), apolipoproteinA1 (apoA1), apolipoproteinB (apoB), triglyceride (TG), total cholesterol (TC), HDL-C, and LDL-C were measured. The LDL-C/HDL-C ratio was calculated, and multivariate logistic regression was employed.

Main Results:

  • Patients with CAD exhibited significantly higher plasma levels of Lp(a), TG, TC, LDL-C, apoB, and a higher LDL-C/HDL-C ratio compared to the control group (P < 0.05).
  • Multivariate logistic regression analysis identified Lp(a) as the most powerful independent risk factor for diagnosing CAD, with an odds ratio (OR) of 16.201 (95% CI: 3.477 - 75.489, P = 0.0001).

Conclusions:

  • Plasma lipoprotein(a) [Lp(a)] is a significant independent risk factor for coronary artery disease (CAD).
  • Elevated Lp(a) levels are strongly predictive of CAD diagnosis, highlighting its importance in clinical risk assessment.
Abstract

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