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  1. Article: [An Experience of Meldonium Use in Patients with Ventricular Arrhythmias of Ischemic Genesis].

    Grigoryan, S V / Hazarapetyan, L G / Stepanyan, A A

    Kardiologiia

    2019  Volume 59, Issue 7, Page(s) 26–30

    Abstract: Ischemic heart disease (IHD) is often accompanied by cardiac rhythm disturbances particularly ventricular arrhythmias (VA) and their appearance in both chronic and acute forms of IHD is usually regarded as dangerous signal requiring the use of ... ...

    Abstract Ischemic heart disease (IHD) is often accompanied by cardiac rhythm disturbances particularly ventricular arrhythmias (VA) and their appearance in both chronic and acute forms of IHD is usually regarded as dangerous signal requiring the use of antiarrhythmic drugs. An important addition to hemodynamic therapy can be considered the use of cytoprotective drugs that improve the energy potential of cardiomyocytes. The purpose of this work is to study the comparative evaluation of the Mildronate effectiveness in patients with IHD and VA.
    Methods: Under dynamic observation were 147 patients with IHD and VA (Lown II-IV functional class). The diagnosis of angina pectoris was confirmed by clinical, exercise bicycle ergometry, Holter ECG monitoring, and echocardiography data. Holter ECG monitoring was used for recording VA, heart rate, episodes of ST-segment depression. The levels of total cholesterol, triglycerides, low-density lipoprotein cholesterol (LDLC), high-density lipoprotein cholesterol were determined. All patients were randomly divided into 2 groups. The first group (81 patients) received standard antianginal and antiarrhythmic therapy plus meldonium for 2 months. The second (control) group (66 patients) received standard antianginal and antiarrhythmic therapy only. Statistical analysis of the data was carried out using the statistical package SPSS 13.0.
    Results: A comparative analysis of the results showed that the use of meldonium in combination with basic therapy significantly improved clinical condition and quality of life indicators, increased exercise tolerance and improved systolic and diastolic dysfunction in patients with IHD and VA. The positive effect of meldonium on LDLC levels was observed. Moreover, the combination of basic antianginal and antiarrhythmic therapy and meldonium in patients with ischemic genesis VA promoted significant reduction of ischemic episodes and decrease of VA, in particular allorhythmia.
    Conclusion: Results of this study suggest that the use of meldonium in patients with IHD and VA helps to optimize myocardial energy metabolism in conditions of ischemia and reperfusion.
    MeSH term(s) Arrhythmias, Cardiac ; Electrocardiography, Ambulatory ; Humans ; Methylhydrazines ; Quality of Life
    Chemical Substances Methylhydrazines ; 3-(2,2,2-trimethylhydrazine)propionate (73H7UDN6EC)
    Language Russian
    Publishing date 2019-07-19
    Publishing country Russia (Federation)
    Document type Journal Article
    ZDB-ID 131029-x
    ISSN 0022-9040
    ISSN 0022-9040
    DOI 10.18087/cardio.2019.7.n552
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: About Pareto-Optimal Encounter of Several Controllable Spacecrafts

    Barseghyan V.R. / Stepanyan A.A.

    Proceedings of NAS RA : Mechanics , Vol 63, Iss 4, Pp 71-

    2010  Volume 78

    Abstract: The problem of encounter of several controllable spacecraft is considered, when the motion takes place in the thin spherical layer, the control engines run continuously and except the forces of the Earth's attraction all disturbing forces are neglected. ... ...

    Abstract The problem of encounter of several controllable spacecraft is considered, when the motion takes place in the thin spherical layer, the control engines run continuously and except the forces of the Earth's attraction all disturbing forces are neglected. Taking into consideration the individual interests of controlling sides the vector-function of gain is formed and the pareto-optimal solution is constructed. The example of encounter of three objects is given.
    Keywords космические аппараты ; парето-оптимальное управление ; встреча ; затраты на управление spacecrafts ; pareto-optimal control ; encounter ; затраты на управление ; spacecraft ; Descriptive and experimental mechanics ; QC120-168.85 ; Physics ; QC1-999 ; Science ; Q
    Language Armenian
    Publishing date 2010-12-01T00:00:00Z
    Publisher National Academy of Sciences of the Republic of Armenia
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: The Hypothetical Mismatch in One Several Person Differential Game at Many Aim Sets

    Barseghyan V.R. / Simonyan T.A. / Stepanyan A.A.

    Proceedings of NAS RA : Mechanics , Vol 64, Iss 2, Pp 63-

    2011  Volume 72

    Abstract: The hypothetical mismatch for one differential game of several person in case of many aim sets is constructed. The basic characteristics are stated, and it is proved that the function of hypothetical mismatch in regular case continuously dependends on ... ...

    Abstract The hypothetical mismatch for one differential game of several person in case of many aim sets is constructed. The basic characteristics are stated, and it is proved that the function of hypothetical mismatch in regular case continuously dependends on time and phase condition and it has continuous derivatives of that variables.
    Keywords several person differential game ; many aim sets ; hypothetical mismatch ; Descriptive and experimental mechanics ; QC120-168.85 ; Physics ; QC1-999 ; Science ; Q
    Language Armenian
    Publishing date 2011-06-01T00:00:00Z
    Publisher National Academy of Sciences of the Republic of Armenia
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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