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Updated: May 17, 2026

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
Published on: September 15, 2023
[Postoperative dynamic changes in matrix metalloproteinase levels in patients with coronary artery bypass graft
Abstract:
The purpose of this study was to evaluate diagnostic and prognostic value of matrix metalloproteinases in postoperative complication development after on-pump coronary artery bypass grafting. 29 coronary artery disease patients who had undergone on-pump coronary artery bypass grafting were examined, 4 of those had complicated systemic inflammatory response and 5 of those had isolated renal failure. Serum matrix metalloproteinase/tissue inhibitor of matrix metalloproteinase concentrations were measured before surgery, at day 1 and day 7 after surgery. Postoperative period was found to be characterized by higher levels of serum matrix metalloproteinases (MMP-9, proMMP-1) and lower levels of matrix metalloproteinase 1 tissue inhibitor. Complicated systemic inflammatory response was associated with higher levels of MMP-9, MMP-3 and proMMP-1, on particular, at day 7.
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