Leukocyte activation after coronary stenting in patients during the subacute phase of a previous ST-elevation

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Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
05:26

Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction

Published on: May 28, 2019

Dimitrios A Stakos1, Ioannis Kotsianidis, Dimitrios N Tziakas

  • 1Cardiology Department, Democritus University of Thrace, Alexandroupolis, and 2nd Cardiology Department, Papanikolaou General Hospital, Thessaloniki, Greece. dstakos@med.duth.gr

Coronary Artery Disease
|February 16, 2007
PubMed

Insights

Leukocyte activation, specifically CD62L expression, reliably indicates early changes after percutaneous coronary intervention in ST-elevation myocardial infarction patients. This cellular biomarker may predict future events or restenosis.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Interventional Cardiology

Background:

  • ST-elevation myocardial infarction (STEMI) requires interventions like percutaneous coronary intervention (PCI).
  • Leukocyte activation is a key factor in cardiovascular events post-PCI.
  • Understanding early cellular responses is crucial for risk stratification.

Purpose of the Study:

  • To investigate leukocyte activation markers following PCI in STEMI patients.
  • To assess changes in neutrophil and monocyte activation.
  • To identify early cellular biomarkers of PCI-induced inflammation.

Main Methods:

  • Flow cytometry assessed CD11b and CD62L expression on neutrophils and monocytes.
  • Measurements were taken before and after coronary angiography and PCI.
  • Plasma cytokines and C-reactive protein levels were also monitored.

Main Results:

  • CD11b expression significantly increased post-PCI and coronary angiography, with a greater increase after PCI.
  • CD62L expression decreased significantly after PCI but not after coronary angiography.
  • No significant changes were observed in plasma cytokine or C-reactive protein levels.

Conclusions:

  • CD62L is a specific and reliable early biomarker of leukocyte activation post-PCI in STEMI patients.
  • Further research is needed to determine if CD62L predicts future events or restenosis.
  • This finding aids in understanding the inflammatory response to PCI.
Abstract

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