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Updated: Sep 28, 2026
Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
Published on: January 28, 2020
Different patterns of interleukin-6 and von Willebrand factor antigen changes after coronary stenting in unstable
Domenico Spaziani1, Stefano De Servi, Benedetto Morelli
1Division of Cardiology, Division of Hematology, Hospital of Legnano, MI.
Insights
Successful coronary stenting in unstable angina significantly reduces inflammatory markers interleukin-6 (IL-6) and von Willebrand factor (vWf) within one month, indicating plaque stabilization.
Area of Science:
- Cardiology
- Biomedical research
- Inflammation markers
Background:
- Inflammation is key in acute coronary syndromes.
- Unstable angina requires effective treatment strategies.
- Coronary stent implantation is a common intervention.
Purpose of the Study:
- To assess inflammatory marker changes after coronary stenting in angina patients.
- To correlate marker levels with clinical outcomes.
- To evaluate the time course of interleukin-6 and von Willebrand factor.
Main Methods:
- Studied 56 patients (33 unstable angina, 23 stable angina).
- Measured interleukin-6 (IL-6) and von Willebrand factor antigen (vWf) pre-procedure, 24 hours, and 1 month post-stenting.
- Clinical follow-up at 1 month.
Main Results:
- Higher baseline IL-6 in unstable vs. stable angina.
- In unstable angina, IL-6 and vWf decreased significantly by 1 month post-stenting.
- Stable angina showed a transient IL-6 increase post-stenting.
Conclusions:
- Successful stenting in unstable angina reduces IL-6 and vWf levels.
- Elevated markers in unstable angina correlate with plaque instability.
- Marker reduction suggests successful plaque stabilization post-intervention.
Background:
Inflammation plays an important role in the pathogenesis of acute coronary syndromes. The purpose of our study was to evaluate the time course and the clinical relevance of inflammatory markers in patients with unstable angina undergoing successful coronary stent implantation.
Methods:
Fifty-six patients (33 with unstable and 23 with stable angina) scheduled for single vessel coronary angioplasty followed by successful stent implantation were studied. Blood samples for measurements of interleukin-6 (IL-6) and von Willebrand factor antigen (vWf) were taken immediately before coronary angioplasty and 24 hours and 1 month after the procedure. Patients were clinically examined 1 month after the procedure.
Results:
The mean levels of IL-6 before stenting were significaNtly higher in unstable than in stable angina patients (p = 0.002), whereas baseline values of vWf showed no difference between the two groups. In unstable angina, serum levels of IL-6 and of vWf did not change 24 hours after stent implantation, but significantly decreased 1 month after the procedure (p = 0.005 and p = 0.0015 respectively). In stable patients, serum levels of IL-6, but not of vWf, increased 24 hours after the procedure and returned to baseline levels 1 month after stent implantation (p = 0.046).
Conclusions:
In unstable angina, successful treatment of the culprit lesion by coronary stenting results in a significant decrease in the serum levels of IL-6 and of vWf 1 month after the procedure, suggesting that, in this clinical condition, elevated levels of these parameters correlate with the instability of the atheromatous plaque and that their decrease after successful stent implantation is the result of plaque stabilization.
