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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
10:03

Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty

Published on: January 28, 2020

Circulating lipid hydroperoxides predict cardiovascular events in patients with stable coronary artery disease: the

Mary F Walter1, Robert F Jacob, Rebekah E Bjork

  • 1Elucida Research, Beverly, Massachusetts, USA.

Journal of the American College of Cardiology
|March 22, 2008
PubMed

Insights

Elevated lipid hydroperoxide (LOOH) levels predict adverse cardiovascular events in patients with stable coronary artery disease (CAD). This oxidative stress marker offers independent prognostic value beyond traditional risk factors.

Area of Science:

  • Cardiovascular Medicine
  • Biomarkers
  • Oxidative Stress

Background:

  • Oxidative modification of lipids contributes to atherosclerosis, inflammation, and endothelial dysfunction.
  • Lipid hydroperoxides (LOOH) are primary products of fatty acid peroxidation and serum biomarkers of oxidation.

Purpose of the Study:

  • To determine the predictive value of serum lipid hydroperoxide (LOOH) levels for adverse cardiovascular outcomes.
  • To assess LOOH as a prognostic marker in patients with stable coronary artery disease (CAD).

Main Methods:

  • Serum LOOH levels were measured in 634 patients with angiographic evidence of CAD.
  • Clinical events were tracked over a 3-year period.
  • Correlations with traditional risk factors and inflammatory markers were analyzed.

Main Results:

  • Higher baseline LOOH levels were significantly associated with increased risk of nonfatal vascular events, major vascular procedures, and overall vascular events.
  • LOOH levels correlated with markers of inflammation (soluble intercellular adhesion molecule-1) and lipid peroxidation (thiobarbituric acid reactive substances).
  • Multivariate analysis confirmed LOOH as an independent predictor of adverse cardiovascular outcomes, even after adjusting for traditional risk factors.

Conclusions:

  • Elevated LOOH levels are a significant independent predictor of nonfatal vascular events and procedures in patients with stable CAD.
  • LOOH serves as a valuable prognostic biomarker in cardiovascular risk assessment.
  • Amlodipine treatment showed potential in reducing cardiovascular events and modifying LOOH levels.
Abstract

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