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Updated: Dec 15, 2025

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

Correlation between ischemia-modified albumin level and coronary collateral circulation.

Xin Chen¹, Yan Lin¹, Lihua Tian¹

¹Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China.

BMC Cardiovascular Disorders

|July 10, 2020

Summary

Higher levels of ischemia-modified albumin (IMA) correlate with good coronary collateral circulation (CCC) formation in patients with chronic total occlusions (CTO). IMA serves as a valuable predictor for assessing CCC in these patients.

Keywords:

Coronary artery disease;chronic total occlusion;collateral circulation;ischemia modified albumin

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Area of Science:

Cardiology
Biomarkers
Vascular Biology

Background:

Coronary artery disease (CAD) remains a leading cause of mortality worldwide.
Chronic total occlusions (CTO) represent a significant challenge in CAD management.
Coronary collateral circulation (CCC) plays a crucial role in mitigating ischemic damage in CTO patients.

Purpose of the Study:

To investigate the correlation between ischemia-modified albumin (IMA) levels and the degree of coronary collateral circulation (CCC) in patients with CTO.
To evaluate IMA as a potential predictor of good CCC formation in CTO.

Main Methods:

A cohort of 128 patients with CTO lesions were analyzed.
CCC was assessed using the Rentrop classification system.
IMA levels were measured using an albumin-cobalt binding assay.

Main Results:

Patients with poor CCC formation had higher platelet counts and diabetes prevalence.
Ischemia-modified albumin (IMA) levels were significantly lower in patients with poor CCC.
Multivariate analysis revealed IMA as a positive predictor of good CCC formation (OR=1.190, P<0.001).

Conclusions:

IMA levels are closely associated with good CCC formation in CTO patients.
Elevated IMA levels can effectively predict good CCC development.
IMA represents a promising biomarker for assessing collateralization in CTO.