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Association of prediabetes with diffuse coronary narrowing and small-vessel disease

Cagatay Ertan1, Ozcan Ozeke2, Murat Gul2

  • 1Acibadem University, Department of Cardiology, Eskisehir, Turkey.

Journal of Cardiology
|September 10, 2013
PubMed

Insights

Prediabetes is associated with smaller coronary artery size and diffuse narrowing, particularly in the left anterior descending artery. Early detection of prediabetes may improve revascularization strategies for coronary artery disease.

Area of Science:

  • Cardiology
  • Endocrinology
  • Vascular Biology

Background:

  • Diffuse coronary artery disease (CAD) and small coronary arteries pose challenges for myocardial revascularization.
  • Diabetic patients exhibit more severe atherosclerosis and smaller coronary arteries, limiting revascularization success.
  • The impact of prediabetes on coronary arterial size remains under-examined.

Purpose of the Study:

  • To investigate the association between prediabetes and coronary arterial size.
  • To compare coronary artery dimensions in normal, prediabetic, and diabetic individuals.

Main Methods:

  • Prospective study of 168 CAD patients and 172 normal coronary artery anatomy (NCA) controls.
  • Patients categorized into normal, prediabetic, and diabetic groups based on hemoglobin A1c (HbA1c) levels.
  • Analysis of coronary artery sizes and Gensini scores.

Main Results:

  • Significant differences in distal and proximal coronary arterial size were observed between CAD and NCA groups across genders.
  • A positive correlation was found between HbA1c subgroups and Gensini score in both female (ρ: 0.489, p<0.001) and male (ρ: 0.252, p=0.016) groups.
  • Prediabetic patients demonstrated smaller coronary sizes and diffuse narrowing, especially in the distal left anterior descending artery.

Conclusions:

  • Prediabetes is linked to reduced coronary arterial size and diffuse narrowing in both genders.
  • Early identification of prediabetes in cardiology practice can inform revascularization planning.
  • Findings suggest prediabetes impacts coronary vasculature, affecting treatment options for CAD.
Abstract

Keywords:
Coronary artery sizeDiffuse coronary narrowingPrediabetes

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