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Updated: May 16, 2025

Development of a Murine Model for Femoral Artery Anastomotic Stenosis

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Biomarkers for Postoperative Intimal Hyperplasia.

Mitsuhiro Yamamura¹, Taichi Sakaguchi¹, Hiroe Tanaka¹

¹Department of Cardiovascular Surgery, Hyogo Medical University, Nishinomiya, Hyogo, Japan.

The International Journal of Angiology : Official Publication of the International College of Angiology, Inc

|May 14, 2025

Summary

Serum Interleukin-8 (IL-8) levels can serve as a biomarker for detecting postoperative intimal hyperplasia. Early detection of IL-8 may help prevent intimal hyperplasia development after surgery.

Keywords:

biomarker free-radical scavenger hepatocyte growth factor interleukin-8 monocyte chemoattractant protein-1 postoperative intimal hyperplasia

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

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

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

Published on: January 28, 2020

Area of Science:

Vascular biology
Biomarker discovery
Surgical research

Background:

Interleukin-8 (IL-8) is a key factor in neutrophil recruitment and inflammation.
Postoperative intimal hyperplasia is a significant complication following vascular surgery.
Identifying reliable biomarkers for early detection is crucial for effective management.

Purpose of the Study:

To investigate the potential of serum IL-8 levels as a biomarker for postoperative intimal hyperplasia.
To evaluate changes in IL-8 levels in a rat model of arterial vein grafting.

Main Methods:

A rat model of epigastric vein grafting into the common femoral artery was established.
Vein grafts were analyzed histologically (H&E, EVG) at 2 and 4 weeks post-surgery.
Serum IL-8 levels were quantified and compared between control, sham, and edaravone-treated groups.

Main Results:

Intimal area significantly increased in the control group compared to the sham group at 4 weeks (p < 0.01).
Serum IL-8 levels were significantly elevated in the control group versus the sham group at 4 weeks (p < 0.05).
Edaravone treatment showed a non-significant trend towards suppressing IL-8 levels.

Conclusions:

Serum IL-8 levels correlate with the development of postoperative intimal hyperplasia in this rat model.
IL-8 shows promise as an early diagnostic biomarker for intimal hyperplasia.
Further research is warranted to validate IL-8 as a clinical biomarker.