Abstract
Aim. To evaluate the relationship between the level of galectin-3 (Gal-3) and left ventricular (LV) structural and functional characteristics in coronary artery disease (CAD) with NYHA class I-III heart failure (HF) with and without type 2 diabetes (T2D) and chronic kidney disease (CKD).Material and methods. We examined 120 patients (men — 68,3%) with coronary artery disease and class I-III HF, divided into 3 groups: group 1 — patients without T2D and CKD (n=40), group 2 — with CKD without T2D (n=40), group 3 — with T2D and CKD (n=40). The Gal-3 level was determined using the enzyme immunoassay, and LV global longitudinal strain (GLS) was determined using the speckle tracking method.Results. In patients with coronary artery disease and CKD, including T2D, Gal-3 was higher (p=0,048) (in group 1 — 12,55 [10,60;23,05], in group 2 — 16,60 [11,75;23,95], in group 3 — 16,90 [11,90;25,15] ng/ ml) and more closely correlated with volume parameters, LV ejection fraction and the ratio of early diastolic transmitral flow velocity to early diastolic mitral annular velocity (E/e'). Grade 2 diastolic dysfunction (DD) in group 1 was in 10%, in group 2 — in 47,5%, in group 3 — in 60% of patients. The groups did not differ in GLS (p=0,087).Conclusion. An increase in Gal-3 concentration with worsening HF and correlations between the biomarker level and volume parameters, LV mass index, LV ejection fraction, GLS and diastolic dysfunction indicate its important role in the development of myocardial remodeling and fibrosis.
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