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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

[Associations between the plasma inflammatory markers and plaque morphologies of coronary artery lesions]

Xian Wang1, Da-Yi Hu, Shi-Wei Yang

  • 1Heart Centre of Beijing Army General Hospital, Beijing 100700, China. wx0515@hotmail.com

Zhonghua Nei Ke Za Zhi
|March 19, 2008
PubMed

Insights

Coronary artery plaque vulnerability can be assessed using coronary angiography (CAG), intravascular ultrasound (IVUS), and plasma inflammatory markers. Elevated levels of MMP-2, MMP-9, and PAPP-A indicate higher risk, aiding in vulnerability judgment.

Area of Science:

  • Cardiology
  • Biomarkers
  • Vascular Biology

Background:

  • Coronary artery plaque vulnerability is a key determinant of acute coronary syndromes (ACS).
  • Accurate assessment of plaque vulnerability is crucial for risk stratification and treatment strategies.
  • Current diagnostic methods may benefit from integration with inflammatory marker analysis.

Purpose of the Study:

  • To evaluate the combined utility of coronary angiography (CAG), intravascular ultrasound (IVUS), and plasma inflammatory markers in assessing coronary artery plaque vulnerability.
  • To correlate angiographic and intravascular ultrasound findings with plasma levels of specific inflammatory mediators.
  • To differentiate plaque characteristics and inflammatory profiles between patients with different lesion types and clinical presentations.

Main Methods:

  • 58 patients with single-vessel lesions were categorized into lesion types I, II, and III based on CAG morphology.
  • A control group of 17 stable angina patients was included.
  • A subgroup of 28 patients underwent IVUS; plasma levels of hs-CRP, MMP-2, MMP-9, CD40L, and PAPP-A were measured via ELISA.

Main Results:

  • Plasma levels of MMP-2, MMP-9, and PAPP-A were significantly higher in the type II lesion group.
  • Positive correlations were observed between MMP-2, MMP-9, CD40L, PAPP-A, and hs-CRP in the type II lesion group.
  • IVUS revealed larger plaque area, higher plaque burden, increased incidence of high-risk plaques, and greater remodeling index in ACS patients compared to controls, accompanied by elevated plasma hs-CRP, MMP-2, MMP-9, and PAPP-A.

Conclusions:

  • CAG and IVUS are valuable tools for evaluating coronary artery plaque vulnerability.
  • Plasma levels of inflammatory mediators, including MMP-2, MMP-9, and PAPP-A, are associated with plaque vulnerability.
  • The combination of imaging techniques and biomarker analysis provides a comprehensive approach to judging coronary plaque vulnerability.
Abstract

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