The aim: To investigate the level of B-type natriuretic peptide (BNP) and to establish its relationship with structural and functional indicators of the myocardium in patients having acute myocardial infarction (AMI), which is complicated by heart failure (HF) with concomitant type 2 diabetes mellitus (DM2). Materials and methods: The study included 120 patients who were grouped by clinical diagnosis. Every patient underwent transthoracic echocardiography of the heart: left ventricular (LV) ejection fraction (EF), left ventricular myocardial mass index (LVMI), LV relative wall thickness (LVWT), BNP, HbA1c. Results: LV EF was statistically significantly lower in group 2 compared with group 1. A significant difference was found. Significant difference between LVWT within indicators of groups 1 and 2 was found. There was a statistically significant increase of the LVMI in group 2 compared to group 1. Against the background of AMI, the formation of eccentric LVH prevailed in 61% cases. There was a statistically significant increase in BNP within the group of patients suffering of AMI with HF and concomitant DM2. Conclusions: There was found a statistically significant increase in BNP in patients suffering of AMI with HF and concomitant DM2, which indicates a significant degree of damage to cardiomyocytes and causes an aggravating course of HF. The relationship between BNP and LV EF was revealed , which can be used to prognostic the severity of HF in this category of patients. A strong correlation between BNP and HbA1 was discovered, which indicates a burdensome unity of metabolic disorders that accelerate the development and progression of HF.

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