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Georgian Med News. 2019 Jan;(286):55-60.

METOPROLOL SUCCINATE: GENETIC ASPECTS OF INDIVIDUAL SENSITIVITY AND EFFICACY IN PATIENTS WITH OBESITY AND CHRONIC HEART FAILURE.

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1
Government Institution «L.T. Malaya Therapy National Institute of the National Academy of Medical Sciences of Ukraine», Ukraine.

Abstract

Aim - optimization of the treatment of obesity and chronic heart failure (CHF) patients by identifying key factors for the progression of cardiac decompensation and the principles of using metoprolol succinate, taking into account pharmacogenetic aspects in the complex treatment of this comorbidity. 127 patients with CHF 2nd-3rd stages, 1st-4th functional class by New York Heart Association at the age of 32-87 (61 [57; 65]) years were examined, including 93 men and 34 women. A comparative analysis of certain clinical criteria using the sequential analysis of Wald A.A. The results were statistically plausible with p<0.05. Conducting factor analysis allowed to separate groups of indicators and estimate the specific weight of individual factors in the pathogenesis of combined pathology - obesity and heart failure. The first two factors determine 76.8% of the variability of the indicators, given the indicators that load them, they were given descriptive titles "clinical-hemodynamic factor", "clinical and anthropometric factor". The proposed prognostic protocol provides new possibilities for predicting the efficacy of metoprolol succinate in patients with obesity and chronic heart failure. The developed discriminatory models allow to objectify the criteria for determining the doses of metoprolol succinate in patients with obesity and chronic heart failure - the maximum initial, maximal endpoint, and also to evaluate the expediency of a subsequent stepwise increase in dose. Perspective of further studies - development and clinical approbation of the protocol of the use of metoprolol succinate in patients with CHF in the context of obesity, taking into account the results of the conducted factor analysis and developed prognostic means.

PMID:
30829590

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