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Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
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Published on: September 15, 2023

Increased lipoprotein(a) is associated with polyvascular disease in patients undergoing coronary artery bypass graft

Pamela Song1, Jin Myoung Seok, Wook Sung Kim

  • 1Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.

Atherosclerosis
|June 29, 2011
PubMed

Insights

High levels of Lipoprotein(a) (Lp(a)) are linked to polyvascular disease in patients with coronary heart disease. This finding suggests Lp(a) plays a role in the development of widespread vascular issues.

Area of Science:

  • Cardiovascular Medicine
  • Vascular Biology
  • Biochemistry

Background:

  • Established coronary heart disease (CHD) patients often have disease in multiple vascular territories.
  • Identifying predictors of polyvascular disease is crucial for risk stratification and management.

Purpose of the Study:

  • To identify clinical and biochemical predictors of polyvascular disease in patients with established CHD.
  • To investigate the association between Lipoprotein(a) (Lp(a)) and polyvascular disease.

Main Methods:

  • Prospective study of 470 patients post-coronary artery bypass grafting (CABG).
  • Polyvascular disease defined by presence of carotid artery stenosis and/or peripheral artery disease.
  • Clinical and laboratory features analyzed for association with polyvascular disease.

Main Results:

  • Age ≥65, male sex, hypertension, smoking, low BMI, and high Lp(a) were independently associated with polyvascular disease.
  • Lp(a) was the sole biochemical marker independently linked to polyvascular disease (OR=1.01 per 1mg/dl increase).
  • Higher Lp(a) levels correlated significantly with increased risk of involvement in two or three vascular territories.

Conclusions:

  • High Lp(a) is independently associated with polyvascular disease in CABG patients.
  • This suggests a pathophysiological role for Lp(a) in the development of polyvascular disease.
  • Lp(a) may serve as a valuable biomarker for predicting polyvascular disease risk.
Abstract

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