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Funding Acknowledgements Type of funding sources: None. Introduction. The myocardial fibrosis lies in the basis of left ventricle remodelling in patients with hypertension. Cardiomyocites hypertrophy, fibroblasts proliferation, enlargement of interstitial collagen volume and their ratio disorders may increase severity of stroke and myocardial infarction. Purpose. The purpose of the study is to evaluate relations between the plasma levels of myocardium fibrosis markers and left ventricle remodelling, systolic and diastolic function in hypertensive patients with NonSTEMI. Methods. Were examined 138 hypertensive patients (both men and women) with NonSTEMI. The mean age of patients was 51.2 (11.2) years. Patients with arrhythmias and conduction abnormalities, diabetes mellitus and autoimmune diseases were excluded form the study. In all patients was performed ECG in 12 standard leads; EchoCG (according to ASE/EACVI 2015 recommendations); evaluation plasma levels of tissue inhibitor of metalloproteinases-1 (TIMP-1) and insulin-like growth factor 1 (IGF-1). HF NYHA functional class was determined by performing 6MWT. Statistical significance was defined at the level of methods for p &amp;lt; 0,05. Results. The averaged levels for plasma markers of myocardium fibrosis were: TIMP-1 - 322.0 (250.0; 483.5) ng/mL; IGF-1 - 160.0 (141.0; 175.0) ng/mL. Results of correlative analysis revealed relations between IGF-1 and ILV mass (R=-0.59; p &amp;lt; 0.001), and weak correlation between IGF-1 and E/e" averaged (R=-0.19; p = 0.027) (Picture 1). These negative correlations may be explained by the growth in both fibroblasts and collagen production in myocardium. Also there were positive correlations between TIMP-1 and ILV mass (R = 0.63; p &amp;lt; 0.001) and TIMP-1 and E/e" average (R = 0.37; p &amp;lt; 0.001) (Picture 1) which may be due to an increase of myocardial stiffness as the result of fibrosis activity. The results of the comparison of TIMP-1 and ICF-1 plasma levels, structural and functional parameters of the LV in groups of patients with different types of LV geometry can be seen in Table 1. Conclusion. Thus, the results of the study show that plasma markers of fibrosis  was significantly higher in patients with concentric and eccentric LV hypertrophy which may reflects the higher levels of myocardium stiffness. Abstract Table 1.  Abstract Figure. Picture 1.

Left ventricle structure and function relations with the levels of plasma markers of fibrosis in hypertensive patients with NonSTEMI