114 results on '"Belenkov YN"'
Search Results
2. Two-year results after implantation of a metallic stent ephesos in patients with coronary heart disease
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Belenkov, Yn, Samko, An, Talantbek Batyraliev, Pershukov, Iv, Niyazova-Karben, Za, Besnili, F., Levitsky, Iv, Zhamgyrchiev, St, Vural, A., Kalenich, O., Karaush, A., Pya, Yv, and Arful, Fd
3. Results of endovascular revascularization with the use of stents after coronary bypass surgery in patients with ischemic heart disease
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Belenkov, Yn, Akchurin, Rs, Savtchenko, Ap, Andrey Shiryaev, Lyakishev, Aa, and Rudenko, Ba
4. Long-term flaxiparin effects on hemostasis in patients with primary pulmonary hypertension
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Irina Chazova, Panchenko, Ep, Dobrovolsky, Ab, Nakonechnikov, Sn, Titaeva, Ev, Baklanova, Na, and Belenkov, Yn
5. Pulmonary capillary hemangiomatosis: The rarest cause of primary pulmonary hypertension (Case report and review of literature)
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Irina Chazova, Galakhov, Ie, Gerasimova, Vv, Lobova, Nm, and Belenkov, Yn
6. Changes of Native Coronary Vessels and Aortocoronary Grafts in Patients with Ischemic Heart Disease after Coronary Artery Bypass Grafting
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Belenkov, Yn, Akchurin, Rs, Savtchenko, Ap, Andrey Shiryaev, and Rudenko, Ba
7. Invasive Cardiology: Focus on Restenosis. Part II
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Belenkov, Yn, Talantbek Batyraliev, Pershukov, Iv, and Samko, An
8. Metabolomic biomarkers of multiple myeloma: A systematic review.
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Varzieva VG, Mesonzhnik NV, Ilgisonis IS, Belenkov YN, Kozhevnikova MV, and Appolonova SA
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- Humans, Prognosis, Biomarkers, Tumor analysis, Biomarkers, Tumor metabolism, Metabolomics methods, Multiple Myeloma diagnosis, Multiple Myeloma metabolism, Multiple Myeloma pathology
- Abstract
Multiple myeloma (MM) is an incurable malignancy of clonal plasma cells. Various diagnostic methods are used in parallel to accurately determine stage and severity of the disease. Identifying a biomarker or a panel of biomarkers could enhance the quality of medical care that patients receive by adopting a more personalized approach. Metabolomics utilizes high-throughput analytical platforms to examine the levels and quantities of biochemical compounds in biosamples. The aim of this review was to conduct a systematic literature search for potential metabolic biomarkers that may aid in the diagnosis and prognosis of MM. The review was conducted in accordance with PRISMA recommendations and was registered in PROSPERO. The systematic search was performed in PubMed, CINAHL, SciFinder, Scopus, The Cochrane Library and Google Scholar. Studies were limited to those involving people with clinically diagnosed MM and healthy controls as comparators. Articles had to be published in English and had no restrictions on publication date or sample type. The quality of articles was assessed according to QUADOMICS criteria. A total of 709 articles were collected during the literature search. Of these, 436 were excluded based on their abstract, with 26 more removed after a thorough review of the full text. Finally, 16 articles were deemed relevant and were subjected to further analysis of their data. A number of promising candidate biomarkers was discovered. Follow-up studies with large sample sizes are needed to determine their suitability for clinical applications., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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9. Modern Instrumental Methods of Diagnostics and Risk Assessment of Developing Antitumor Therapy Cardiovasculotoxicity.
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Belenkov YN, Ilgisonis IS, Khabarova NV, and Kirichenko Yu Yu YY
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- Humans, Risk Assessment methods, Antineoplastic Agents adverse effects, Antineoplastic Agents pharmacology, Neoplasms drug therapy, Cardiovascular Diseases diagnosis, Cardiotoxicity etiology
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The most important component of cardio-oncology is the assessment of the risk of development and diagnosis of cardiovascular toxicity of the antitumor therapy, the detection of which is largely based on visualization of the cardiovascular system. The article addresses up-to-date methods of non-invasive visualization of the heart and blood vessels, according to the 2022 European Society of Cardiology Clinical Guidelines on cardio-oncology. Also, the article discusses promising cardiovascular imaging techniques that are not yet included in the guidelines: assessment of coronary calcium using multislice computed tomography and positron emission computed tomography with 18F-labeled 2-deoxy-2-fluoro-d-glucose.
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- 2024
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10. [Evaluation of the Functional Reserve and Exercise Tolerance in Patients with CHF in Clinical Trials (Consent Document of the Editorial board of the Journal of Cardiology, the Board of the Society of Specialists in Heart Failure (SSHF) and Working Group "Non-drug treatment methods" of SSHF)].
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Begrambekova YL, Arutynov GP, Glezer MG, Karanadze NA, Kolesnikova EA, Lelyavina TA, Lishuta AS, Orlova YA, and Belenkov YN
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- Humans, Clinical Trials as Topic methods, Exercise Test methods, Cardiology, Cardiac Rehabilitation methods, Heart Failure physiopathology, Heart Failure therapy, Heart Failure drug therapy, Exercise Tolerance physiology
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Assessing the functional capacity and exercise tolerance is an important and widely used research tool in patients with heart failure. It is used not only in cardiac rehabilitation and physical therapy, but also for inclusion criteria and outcome measures in studies of drug interventions. This document outlines the scope, guidelines for the implementation and interpretation, and limitations of the methods for assessing the functional capacity and exercise tolerance in clinical trials in patients with heart failure.
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- 2024
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11. WNT Signaling Cascade Proteins and LRP6 in the Formation of Various Types of Coronary Lesions in Patients With Coronary Artery Disease.
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Belenkov YN, Iusupova AO, Slepova OA, Pakhtusov NN, Popova LV, Lishuta AS, Krivova AV, Khabarova NV, Abidaev MY, and Privalova EV
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- Humans, Male, Female, Middle Aged, Cross-Sectional Studies, Aged, Wnt3A Protein metabolism, Wnt1 Protein metabolism, Coronary Angiography methods, Biomarkers, Low Density Lipoprotein Receptor-Related Protein-6 metabolism, Coronary Artery Disease physiopathology, Wnt Signaling Pathway physiology
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Aim: Assessment of WNT1, WNT3a, and LRP6 concentrations in patients with ischemic heart disease (IHD) and obstructive and non-obstructive coronary artery (CA) disease., Material and Methods: This cross-sectional observational study included 50 IHD patients (verified by coronary angiography, CAG), of which 25 (50%) were men, mean age 64.9±8.1 years; 20 patients had non-obstructive CA disease (stenosis <50%), and 30 patients had hemodynamically significant stenosis. Concentrations of WNT1, WNT3a and LRP6 were measured in all patients., Results: The concentrations of WNT1 and WNT3a proteins were significantly higher in patients with IHD and obstructive CA disease (p < 0.001), while the concentration of LRP6 was higher in the group with non-obstructive CA disease (p = 0.016). Data analysis of the group with obstructive CA disease showed a moderate correlation between WNT1 and LRP6 (ρ=0.374; p=0.042). Correlation analysis of all groups of patients with CA disease revealed a moderate association between the concentrations of WNT1 and uric acid (ρ=0.416; p=0.007). Regression analysis showed that risk factors for the development of IHD, such as increased body mass index, age, smoking, dyslipidemia, and hypertension, did not significantly influence the type of CA disease in IHD patients. According to ROC analysis, the obstructive form of IHD was predicted by a WNT3a concentration higher than 0.155 ng/ml and a LRP6 concentration lower than 12.94 ng/ml., Conclusion: IHD patients with non-obstructive CA disease had the greatest increase in LRP6, while patients with obstructive CA disease had significantly higher concentrations of the canonical WNT cascade proteins, WNT1 and WNT3a. According to the ROC analysis, a WNT3a concentration >0.155 ng/ml can serve as a predictor for the presence of hemodynamically significant CA stenosis in IHD patients (sensitivity 96.7%; specificity 70%), whereas a LRP6 concentration >12.94 ng/ml can predict the development of non-obstructive CA disease (sensitivity 76.7%; specificity 65%).
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- 2024
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12. [Cardiac Dysfunction and Arterial Hypertension as Manifestations of Cardiovasculotoxicity of iVEGF-Containing Chemotherapy. Clinical Case].
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Kirichenko YY, Kulagina TY, Zhigulina OA, Ilgisonis IS, and Belenkov YN
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- Humans, Female, Cardiotoxicity etiology, Middle Aged, Uterine Neoplasms drug therapy, Antineoplastic Agents adverse effects, Ventricular Dysfunction, Left chemically induced, Ventricular Dysfunction, Left physiopathology, Ventricular Dysfunction, Left diagnosis, Vascular Endothelial Growth Factor A antagonists & inhibitors, Hypertension chemically induced
- Abstract
Significant advances in timely diagnosis and modern antitumor therapy have led to a considerable increase in the survival rate of cancer patients. On the other hand, the incidence of cardiovascular (CV) diseases and their complications is increasingly growing, including due to side effects of anticancer drugs. CV complications are the most common cause of non-oncological death of cancer patients. The development of polychemotherapy-induced arterial hypertension (AH) is closely associated with the use of certain groups of drugs, for example, inhibitors of vascular endothelial growth factor (iVEGF). Such AH is generally dose-dependent and reversible after interruption or termination of treatment. However, systemic AH, regardless of its genesis, is one of the key risk factors for many CV events (myocardial infarction, stroke, heart failure, arrhythmias) and kidney disease. Therefore, thorough blood pressure monitoring and its timely and adequate correction if needed are indicated when using certain groups of chemotherapy drugs. This article describes a clinical follow-up of a patient with induced AH associated with the iVEGF antitumor therapy for advanced uterine cancer with a rapid development of left ventricular myocardial dysfunction.
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- 2024
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13. Assessment of the Level of Matrix Metalloproteinases, VEGF and MicroRNA-34a in Patients With Non-obstructive and Obstructive Lesions of the Coronary Arteries.
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Iusupova AO, Slepova OA, Pakhtusov NN, Popova LV, Ageev AA, Lishuta AS, Privalova EV, Khabarova NV, Dadashovа GМ, and Belenkov YN
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- Humans, Male, Middle Aged, Female, Cross-Sectional Studies, Aged, Coronary Artery Disease genetics, Coronary Artery Disease physiopathology, Coronary Artery Disease diagnosis, Matrix Metalloproteinases genetics, Biomarkers, Coronary Stenosis genetics, Coronary Stenosis physiopathology, Coronary Vessels diagnostic imaging, Coronary Vessels physiopathology, Vascular Endothelial Growth Factor A genetics, MicroRNAs genetics, Coronary Angiography
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Aim: To assess the levels of matrix metalloproteinases (MMP), vascular endothelial growth factor (VEGF), and miRNA-34a expression in patients with ischemic heart disease (IHD) and obstructive and nonobstructive coronary artery (CA) disease., Material and Methods: This cross-sectional observational study included 64 patients with IHD (diagnosis verified by coronary angiography or multislice computed tomography coronary angiography), of which 33 (51.6%) were men aged 64.9±8.1 years. 20 patients had nonobstructive CA disease (stenosis <50%), and 44 had hemodynamically significant stenoses. The control group consisted of 30 healthy volunteers. MMP-1, -9, -13, and -14, miRNA-34a, and VEGF were measured in all patients., Results: The concentration of MMP-1 was significantly higher in patients with ischemia and nonobstructive CA disease (INOCAD) (p=0.016), and the concentration of MMP-9 was the highest in the group with obstructive CA disease (p<0.001). The concentrations of MMP-13 and MMP-14 did not differ significantly between the groups. The highest VEGF concentrations were observed in the INOCAD group (p<0.001). The expression of miRNA-34a significantly differed between the IHD groups with different types of CA disease and controls (p <0.001). Patients with hemodynamically significant stenosis showed moderate relationships between the concentrations of MMP-14 and VEGF (ρ=0.418; p=0.024), as well as between VEGF and miRNA-34a (ρ=0.425; p=0.022). Patients with INOCAD had a significant negative correlation between the concentrations of MMP-13 and VEGF (ρ= -0.659; p=0.003). Correlation analysis showed in all IHD patients a moderate relationship of the concentrations of MMP-1 and MMP-14 with VEGF (ρ=0.449; p=0.002 and p=0.341; p=0.019, respectively). According to ROC analysis, a MMP-9 concentration above 4.83 ng/ml can be a predictor for the presence of hemodynamically significant CA obstruction in IHD patients; a VEGF concentration higher than 27.23 pg/ml suggests the absence of hemodynamically significant CA stenosis., Conclusion: IHD patients with INOCAD had the greatest increase in MMP-1, whereas patients with obstructive CA disease had the highest level of MMP-9. According to our data, concentrations of MMP-9 and VEGF can be used to predict the degree of CA obstruction. The expression of miRNA-34a was significantly higher in IHD patients with INOCAD and CA obstruction than in the control group, which suggested a miRNA-34a contribution to the development and progression of coronary atherosclerosis. In the future, it may be possible to use this miRNA as a diagnostic marker for IHD.
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- 2024
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14. Successful Implementation of Combined Treatment Methods for a Rare Recurrence of Waldenstrom Macroglobulinemia With Extramedullary Lesions.
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Sokolova IY, Sokolova SM, Bochkarnikova OV, Rasulova AE, Izmailov TR, Polushkin PV, Kirichenko YY, Belenkov YN, and Ilgisonis IS
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A 67-year-old woman was admitted to the Hematology Department in 2014 with complaints of weakness and a low-grade fever. After conducting various tests, it was confirmed that she had Waldenstrom macroglobulinemia. She underwent several rounds of chemotherapy and maintenance therapy with rituximab, which resulted in a good clinical response. However, in 2019, an abnormal growth in the soft tissues of patient's frontal region was discovered, which was diagnosed as lymphoplasmacytic lymphoma. This later progressed to an intracranial lesion. The patient underwent radiation therapy for both the extramedullary and intracranial growths, which had a positive effect. A year later, she developed a lesion in her lymph nodes and soft tissues of her right leg, which was confirmed to be a recurrence of Waldenstrom disease. She underwent further treatment and is currently in complete remission. This case highlights the rare occurrence of relapse in Waldenstrom disease and the challenges in diagnosing extramedullary lesions. It also demonstrates the success of modern treatment approaches using a combination of therapies., Competing Interests: All authors declare that they have no conflict of interest and financial support., (Copyright 2024, Sokolova et al.)
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- 2024
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15. The EXCEL Study: Long-term Observation of the Effectiveness of Drug and Non-drug Rehabilitation in Patients with Ischemic Heart Failure.
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Belenkov YN, Lishuta AS, Slepova OA, Nikolaeva NS, Khabarova NV, Dadashova GM, and Privalova EV
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- Humans, Quality of Life, Ventricular Function, Left, Stroke Volume, Chronic Disease, Natriuretic Peptide, Brain therapeutic use, Heart Failure, Myocardial Ischemia
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Aim: To study the long-term effect of enhanced external counterpulsation (EECP) therapy on exercise tolerance, quality of life (QoL), and indicators of the structural and functional state of the cardiovascular system in patients with stable ischemic heart disease (IHD) complicated by chronic heart failure (CHF)., Material and Methods: This open randomized EXCEL study included 120 patients with verified IHD complicated by NYHA II-III functional class CHF with reduced or mid-range left ventricular (LV) ejection fraction. Patients were randomized into group 1 (n=40), optimal drug therapy (ODT) and EECP (35 hours, 2 courses per year); group 2 (n=40), ODT and EECP (35 hours, 1 course per year); and group 3 (control; n=40), ODT and placebo counterpulsation (35 h, 1 course per year). All patients underwent a 6-minute walk test (6MWT), evaluation of clinical status, QoL with the MLHFQ and SF-36 questionnaires, structural and functional state of large blood vessels and microvasculature, measurement of brain natriuretic peptide precursor (NT-proBNP), and echocardiography at baseline and after 12 months., Results: In groups 1 and 2 after 12 months, the 6MWT distance increased statistically significantly (44.5 and 24.9%, respectively) and the following indexes improved: QoL (SF-36, MLHFQ), the condition of large blood vessels (phase shift, radial augmentation index, central aortic systolic pressure (CASP)) and microvasculature (occlusion index, percentage of perfused capillaries, percentage of capillary recovery), and the LV systolic function (from 40.6±7.5 to 47.5±10.2% and from 41.3± 6.8 to 43.9±10.3%, respectively). The proportion of patients with a >20% increase in the 6MWT at 12 months was 97.5, 72.5, and 7.7%, respectively. A statistically significant decrease in NT-proBNP was observed in all groups. In group 3, the incidence of hospitalizations for CHF and the risk of the composite endpoint were significantly higher., Conclusion: For the 12-month study period, the effects of EECP in patients with IHD complicated by CHF included improvements in exercise tolerance, QoL, vascular and cardiac functional parameters, and a decrease in the incidence of adverse outcomes.
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- 2024
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16. MiRNA-21a, miRNA-145, and miRNA-221 Expression and Their Correlations with WNT Proteins in Patients with Obstructive and Non-Obstructive Coronary Artery Disease.
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Iusupova AO, Pakhtusov NN, Slepova OA, Belenkov YN, Privalova EV, Bure IV, Vetchinkina EA, and Nemtsova MV
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- Female, Humans, Male, Cross-Sectional Studies, Sirtuin 1 metabolism, Wnt Proteins genetics, Wnt Proteins metabolism, Wnt4 Protein genetics, Atherosclerosis, Coronary Artery Disease metabolism, MicroRNAs genetics, MicroRNAs metabolism, Wnt Signaling Pathway genetics
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MicroRNAs and the WNT signaling cascade regulate the pathogenetic mechanisms of atherosclerotic coronary artery disease (CAD) development., Objective: To evaluate the expression of microRNAs (miR-21a, miR-145, and miR-221) and the role of the WNT signaling cascade (WNT1, WNT3a, WNT4, and WNT5a) in obstructive CAD and ischemia with no obstructive coronary arteries (INOCA)., Method: The cross-sectional observational study comprised 94 subjects. The expression of miR-21a, miR-145, miR-221 (RT-PCR) and the protein levels of WNT1, WNT3a, WNT4, WNT5a, LRP6, and SIRT1 (ELISA) were estimated in the plasma of 20 patients with INOCA (66.5 [62.8; 71.2] years; 25% men), 44 patients with obstructive CAD (64.0 [56.5; 71,0] years; 63.6% men), and 30 healthy volunteers without risk factors for cardiovascular diseases (CVD)., Results: Higher levels of WNT1 (0.189 [0.184; 0.193] ng/mL vs. 0.15 [0.15-0.16] ng/mL, p < 0.001) and WNT3a (0.227 [0.181; 0.252] vs. 0.115 [0.07; 0.16] p < 0.001) were found in plasma samples from patients with obstructive CAD, whereas the INOCA group was characterized by higher concentrations of WNT4 (0.345 [0.278; 0.492] ng/mL vs. 0.203 [0.112; 0.378] ng/mL, p = 0.025) and WNT5a (0.17 [0.16; 0.17] ng/mL vs. 0.01 [0.007; 0.018] ng/mL, p < 0.001). MiR-221 expression level was higher in all CAD groups compared to the control group ( p < 0.001), whereas miR-21a was more highly expressed in the control group than in the obstructive ( p = 0.012) and INOCA ( p = 0.003) groups. Correlation analysis revealed associations of miR-21a expression with WNT1 (r = -0.32; p = 0.028) and SIRT1 (r = 0.399; p = 0.005) protein levels in all CAD groups. A positive correlation between miR-145 expression and the WNT4 protein level was observed in patients with obstructive CAD (r = 0.436; p = 0.016). Based on multivariate regression analysis, a mathematical model was constructed that predicts the type of coronary lesion. WNT3a and LRP6 were the independent predictors of INOCA ( p < 0.001 and p = 0.002, respectively)., Conclusions: Activation of the canonical cascade of WNT-β-catenin prevailed in patients with obstructive CAD, whereas in the INOCA and control groups, the activity of the non-canonical pathway was higher. It can be assumed that miR-21a has a negative effect on the formation of atherosclerotic CAD. Alternatively, miR-145 could be involved in the development of coronary artery obstruction, presumably through the regulation of the WNT4 protein. A mathematical model with WNT3a and LRP6 as predictors allows for the prediction of the type of coronary artery lesion.
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- 2023
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17. [Assessment of systemic inflammation activity, myocardial structure and functional features, their relationship in patients with multiple myeloma, receiving bortezomib therapy].
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Fomina EV, Kardanova SA, Bochkarnikova OV, Murtuzaliev SM, Appolonova SA, Markin PA, Privalova EV, Ilgisonis IS, and Belenkov YN
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- Male, Humans, Female, Bortezomib adverse effects, C-Reactive Protein metabolism, Stroke Volume, Prospective Studies, Ventricular Function, Left, Myocardium, Inflammation, Multiple Myeloma complications, Multiple Myeloma diagnosis, Multiple Myeloma drug therapy
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Aim: To study the dynamics of calculated indices [neutrophil-lymphocyte ratio (NLR); systemic inflammation index (SIV)] and biomarkers of systemic inflammation [interleukin-1β (IL-1β); high-sensitivity C-reactive protein (hsCRP)], parameters of the structure-and-function state of the myocardium and intracardiac hemodynamics, and their relationship in patients newly diagnosed with multiple myeloma (MM) at the onset of the disease and after 6 courses of chemotherapy (CT) containing the proteasome inhibitor bortezomib., Material and Methods: This prospective study included 30 patients aged 63.8±10.0 years diagnosed with MM; 17 (56.7 %) of them were men. The following tests were performed for all patients: measurement of IL-1β and hsCRP, calculation of the inflammation indexes NLR and SIV, transthoracic echocardiography before and after 6 courses of bortezomib-containing CT. At the time of study completion, 9 patients dropped out due to reasons not related to cardiovascular complications of CT., Results: The antitumor therapy was associated with increases of immune-inflammation indexes: NLR increased from 1.54 [1.02; 1.83] to 2.9 [1.9; 4.35] (p=0.009) and SIV increased from 402.95 [230.5; 534.0] to 1102.2 [453.1; 1307.9] (р=0.014). IL-1β increased from 5.15 [4.05; 5.77] to 6.22 [5.66; 6.52] pg/ml remaining within the reference range (p=0.142) whereas hsCRP decreased from 1.02 [0.02; 2.71] to 0.02 [0.02; 0.82] IU/l (p=0.138). Statistically significant changes in parameters of heart remodeling and clinical picture of cardiovascular complications were not observed. A correlation analysis showed significant inverse correlations of hsCRP with left ventricular ejection fraction (LV EF) (r= -0.557; p=0.003), the number of plasma cells (PC) with LV EF (r= -0.443; p=0.023), and a direct correlation of the number of PC with hsCRP (r=0.433; p=0.022)., Conclusion: During the study, the accepted criteria for cardiotoxicity of bortezomib-containing chemotherapy in patients with MM, were not met. The identified correlations between the level of markers for acute inflammation, indexes of intracardiac hemodynamics, and the immediate MM substrate may indicate the role of chronic low-intensity inflammation in the pathogenesis of myocardial remodeling in patients with MM. This necessitates further studies on larger samples of patients to assess the prognostic significance.
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- 2023
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18. Relationship of Acylcarnitines to Myocardial Ischemic Remodeling and Clinical Manifestations in Chronic Heart Failure.
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Belenkov YN, Ageev AA, Kozhevnikova MV, Khabarova NV, Krivova AV, Korobkova EO, Popova LV, Emelyanov AV, Appolonova SA, Moskaleva NE, Shestakova KM, and Privalova EV
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Background: Progressive myocardial remodeling (MR) in chronic heart failure (CHF) leads to aggravation of systolic dysfunction (SD) and clinical manifestations. Identification of metabolomic markers of these processes may help in the search for new therapeutic approaches aimed at achieving reversibility of MR and improving prognosis in patients with CHF., Methods: To determine the relationship between plasma acylcarnitine (ACs) levels, MR parameters and clinical characteristics, in patients with CHF of ischemic etiology (n = 79) and patients with coronary heart disease CHD (n = 19) targeted analysis of 30 ACs was performed by flow injection analysis mass spectrometry., Results: Significant differences between cohorts were found for the levels of 11 ACs. Significant positive correlations (r > 0.3) between the medium- and long-chain ACs (MCACs and LCACs) and symptoms (CHF NYHA functional class (FC); r = 0.31-0.39; p < 0.05); negative correlation (r = -0.31-0.34; p < 0.05) between C5-OH and FC was revealed. Positive correlations of MCACs and LCACs (r = 0.31-0.48; p < 0.05) with the left atrium size and volume, the right atrium volume, right ventricle, and the inferior vena cava sizes, as well as the pulmonary artery systolic pressure level were shown. A negative correlation between C18:1 and left ventricular ejection fraction (r = -0.31; p < 0.05) was found. However, a decrease in levels compared to referent values of ACs with medium and long chain lengths was 50% of the CHF-CHD cohort. Carnitine deficiency was found in 6% and acylcarnitine deficiency in 3% of all patients with chronic heart disease., Conclusions: ACs may be used in assessing the severity of the clinical manifestations and MR. ACs are an important locus to study in terms of altered metabolic pathways in patients with CHF of ischemic etiology and SD. Further larger prospective trials are warranted and needed to determine the potential benefits to treat patients with CV diseases with aberrate AC levels.
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- 2023
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19. Cardio-oncology today: digest of the first European clinical guidelines (2022).
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Belenkov YN, Ilgisonis IS, Kirichenko YY, and Murtuzaliev SM
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- Humans, Heart, Consensus, Neoplasms diagnosis, Neoplasms therapy, Cardiology, Cardiovascular Diseases diagnosis, Cardiovascular Diseases therapy
- Abstract
Over the past few decades, due to the extensive implementation of cancer screening programs, up-to-date early diagnostic methods, and effective combinations of antitumor therapy, it has become possible to significantly improve survival of cancer patients. At the same time, despite the effective treatment of malignancies, most patient face adverse and often life-threatening effects of specific treatment on the heart and blood vessels. All this resulted in active development of a new field in cardiology, cardio-oncology. In recent years, based on the experience of leading experts, data from large studies, and meta-analyses, both international and Russian Consensuses, conciliation documents, have been formed and published. These documents regulate principal methodological approaches to management and control of the cardiovascular conditions in cancer patients. Finally, 2022 was marked by issuing the first official European Guidelines on Cardio-Oncology in the history of medicine. This article highlights the most relevant, in our opinion, positions of these guidelines as well as controversial and unresolved issues.
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- 2023
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20. [Soluble guanylate cyclase: restoration of the NO-sGC-cGMP signaling pathway activity. A new opportunity in the treatment of heart failure].
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Belenkov YN and Kozhevnikova MV
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- Humans, Soluble Guanylyl Cyclase, Stroke Volume, Heart Failure, Cardiovascular Diseases, Vascular Diseases
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Studying the key mechanisms of cardiovascular diseases has opened new possibilities for the pharmacological impact on the pathophysiological mechanisms of heart failure (HF). The signaling pathway, nitric oxide - soluble guanylate cyclase - cyclic guanosine monophosphate (NJ-sGC-cGMP), provides normal functioning of the cardiovascular system in healthy people and serves as a potential target for medicines in HF with reduced ejection fraction (HFrEF). In HFrEF progression, the sGC activity decreases due to endothelial dysfunction and oxidative stress. The increased synthesis of cGMP resulting from sGC stimulation can restrict myocardial fibrosis, reduce stiffness of the vascular wall and induce vasodilation; in this process, the mechanism of action of sGC stimulators does not overlap with other therapeutic targets. According to the results of the international randomized clinical study VICTORIA, the use of the sGC stimulator, vericiguat, in patients with HF, ejection fraction <45%, and a recent episode of decompensation in their history reduced the risk of repeated hospitalization and cardiovascular death. Also, this treatment was characterized by a favorable safety profile when added to standard therapy.
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- 2023
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21. [Prospects for use of Vericiguat in HFrEF: Implications of VICTORIA Trial Results. Advisory Board Summary].
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Belenkov YN, Arutyunov GP, Mareev VY, Koziolova NA, Sitnikova MY, Ageev FT, Gilyarevsky SR, Chesnikova AI, Yakushin SS, Perepech NB, and Mareev YV
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- Humans, Prospective Studies, Stroke Volume, Ventricular Function, Left, Double-Blind Method, Heart Failure drug therapy
- Abstract
In September 2021, an online meeting of the Council of Experts was held. The proposed focus of discussion was publishing the results of an international prospective, randomized, double-blind, placebo-controlled study VICTORIA. The objective of the VICTORIA study was evaluation of the efficacy and safety of supplementing a standard therapy with vericiguat at a target dose of 10 mg twice a day as compared to placebo for prevention of cardiovascular death and hospitalization for heart failure (HF) in patients with clinical manifestations of chronic HF and left ventricular ejection fraction <45% who have recently had an episode of decompensated HF. The aim of the meeting was interpretation of the VICTORIA study results on efficacy and safety of vericiguat for a potential use in a Russian population of patients after a recent episode of decompensated chronic HF with reduced ejection fraction.
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- 2023
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22. [The impact of BMI on the course of the acute SARS-COV-2 infection and the risks that emerge during the first year after the hospital discharge. Subanalysis evidence of the AKTIV and AKTIV 2 registries].
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Arutyunov AG, Tarlovskaya EI, Galstyan GR, Batluk TI, Bashkinov RA, Arutyunov GG, Belenkov YN, Konradi AO, Lopatin YM, Rebrov AP, Tereshchenko SN, Chesnikova AI, Hayrapetyan HG, Babin AP, Bakulin IG, Bakulina NV, Balykova LA, Blagonravova AS, Boldina MV, Butomo MI, Vaisberg AR, Galyavich AS, Gomonova VV, Grigoryeva NY, Gubareva IV, Demko IV, Evzerikhina AV, Zharkov AV, Zateishchikova AA, Kamilova UK, Kim ZF, Kuznetsova TY, Kulikov AN, Lareva NAV, Makarova EV, Malchikova SV, Nedogoda SV, Petrova MM, Pochinka IG, Protasov KV, Protsenko DN, Ruzanov DY, Saiganov SA, Sarybaev AS, Selezneva NM, Sugraliev AB, Fomin IV, Khlynova OV, Chizhova OY, Shaposhnik II, Schukarev DA, Abdrakhmanova AK, Avetisyan SA, Avoyan HG, Azaryan KK, Aimakhanova GT, Ayypova DA, Akunov AC, Alieva MK, Almukhambedova AR, Aparkina AV, Aruslanova OR, Ashina EY, Badina ONY, Barysheva OY, Batchaeva AS, Bitieva AM, Bikhteev IU, Borodulina NA, Bragin MV, Brazhnik VA, Budu AM, Bykova GA, Vagapova KR, Varlamova DD, Vezikova NN, Verbitskaya EA, Vilkova OE, Vinnikova EA, Vustina VV, Galova EA, Genkel VV, Giller DB, Gorshenina EI, Grigoryeva EV, Gubareva EY, Dabylova GM, Demchenko AI, Dolgikh OY, Duishobaev MY, Evdokimov DS, Egorova KE, Ermilova AN, Zheldybaeva AE, Zarechnova NV, Zimina YD, Ivanova SY, Ivanchenko EY, Ilina MV, Kazakovtseva MV, Kazymova EV, Kalinina YS, Kamardina NA, Karachenova AM, Karetnikov IA, Karoli NA, Karsiev MK, Kaskaeva DS, Kasymova KF, Kerimbekova ZB, Kim ES, Kiseleva NV, Klimenko DA, Klimova AV, Kovalishena OV, Kozlov SV, Kolmakova EV, Kolchinskaya TP, Kolyadich MI, Kondryakova OV, Konoval MP, Konstantinov DY, Konstantinova EA, Kordyukova VA, Koroleva EV, Kraposhina AY, Kryukova TV, Kuznetsova AS, Kuzmina TY, Kuzmichev KV, Kulchoroeva CK, Kuprina TV, Kuranova IAM, Kurenkova LVV, Kurchugina NY, Kushubakova NA, Levankova VI, Ledyaeva AA, Lisun TV, Lisyanskaya VE, Lyubavina NA, Magdeeva NA, Mazalov KV, Mayseenko VI, Makarova AS, Maripov AM, Markov NV, Marusina AA, Melnikov ES, Metlinskaya AI, Moiseenko NB, Muradova FN, Muradyan RG, Musaelyan SN, Nekaeva ES, Nikitina NM, Nifontov SE, Obolentseva EY, Obukhova AA, Ogurlieva BB, Odegova AA, Omarova YV, Omurzakova NA, Ospanova SO, Pavlova VA, Pakhomova EVP, Petrov LD, Plastinina SS, Platonov DA, Pogrebetskaya VAA, Polyakov DV, Polyakov DS, Ponomarenko EEV, Popova LL, Potanin AA, Prokofieva NA, Rabik YD, Rakov NA, Rakhimov AN, Rozanova NA, Samus IV, Serikbolkyzy S, Sidorkina YA, Simonov AA, Skachkova VV, Skvortsova RD, Skuridin DS, Solovieva DV, Solovieva IA, Sukhomlinova IM, Sushilova AG, Tagaeva DR, Titoykina YV, Tikhonova EP, Tokmin DS, Tolmacheva AA, Torgunakova MS, Trenogina KV, Trostyanetskaya NAA, Trofimov DA, Trubnikova MA, Tulichev AA, Tursunova AT, Ulanova ND, Fatenkov OV, Fedorishina OV, Fil TS, Fomina IY, Fominova IS, Frolova IA, Tsvinger SM, Tsoma VV, Cholponbaeva MB, Chudinovskikh TSI, Shavrin IV, Shevchenko OA, Shikhaliev DR, Shishkina EA, Shishkov KY, Shcherbakov SY, Shcherbakova GV, and Yausheva EA
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- Humans, Middle Aged, SARS-CoV-2, Body Mass Index, Patient Discharge, Overweight, Hospitals, Obesity, COVID-19
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Background: There is enough evidence of the negative impact of excess weight on the formation and progression of res piratory pathology. Given the continuing SARS-CoV-2 pandemic, it is relevant to determine the relationship between body mass index (BMI) and the clinical features of the novel coronavirus infection (NCI)., Aim: To study the effect of BMI on the course of the acute SARS-COV-2 infection and the post-covid period., Materials and Methods: AKTIV and AKTIV 2 are multicenter non-interventional real-world registers. The АКТИВ registry (n=6396) includes non-overlapping outpatient and inpatient arms with 6 visits in each. The АКТИВ 2 registry (n=2968) collected the data of hospitalized patients and included 3 visits. All subjects were divided into 3 groups: not overweight (n=2139), overweight (n=2931) and obese (n=2666)., Results: A higher BMI was significantly associated with a more severe course of the infection in the form of acute kidney injury (p=0.018), cytokine storm (p<0.001), serum C-reactive protein over 100 mg/l (p<0.001), and the need for targeted therapy (p<0.001) in the hospitalized patients. Obesity increased the odds of myocarditis by 1,84 times (95% confidence interval [CI]: 1,13-3,00) and the need for anticytokine therapy by 1,7 times (95% CI: 1,30-2,30).The patients with the 1st and 2nd degree obesity, undergoing the inpatient treatment, tended to have a higher probability of a mortality rate. While in case of morbid obesity patients this tendency is the most significant (odds ratio - 1,78; 95% CI: 1,13-2,70). At the same time, the patients whose chronical diseases first appeared after the convalescence period, and those who had certain complaints missing before SARS-CoV-2 infection, more often had BMI of more than 30 kg/m2 (p<0,001).Additionally, the odds of death increased by 2,23 times (95% CI: 1,05-4,72) within 3 months after recovery in obese people over the age of 60 yearsCONCLUSION. Overweight and/or obesity is a significant risk factor for severe course of the new coronavirus infection and the associated cardiovascular and kidney damage Overweight people and patients with the 1st and 2nd degree obesity tend to have a high risk of death of SARS-CoV-2 infection in both acute and post-covid periods. On top of that, in case of morbid obesity patients this tendency is statistically significant. Normalization of body weight is a strategic objective of modern medicine and can contribute to prevention of respiratory conditions, severe course and complications of the new coronavirus infection.
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- 2023
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23. Анализ влияния коморбидной сердечно-сосудистой патологии на течение и исходы COVID-19 у госпитализированных пациентов в первую и вторую волну пандемии в Евразийском регионе.
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Arutyunov GP, Tarlovskaya EI, Arutyunov AG, Belenkov YN, Konradi AO, and Lopatin YM
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- Humans, Pandemics, SARS-CoV-2, Irritable Bowel Syndrome, COVID-19
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Цель: Изучение особенностей клинического течения новой коронавирусной инфекции и влияния сопутствующих заболеваний на исход заболевания у госпитализированных больных с инфекцией SARS-CoV-2 в первую и вторую волны пандемии.Методы и результаты. Для оценки особенностей течения COVID-19 в Евразийском регионе были созданы международные регистры АКТИВ 1 и во время второй волны пандемии АКТИВ 2. Набор больных в регистр АКТИВ 1 проводили с 29.06.20 по 29.10.20, набрано 5 397 пациентов. Прием пациентов на учет в АКТИВ 2 проводили с 01.11.20 до 30.03.21, набрано 2 665 больных.Результаты. Госпитальная летальность снизилась в период второй волны пандемии и составила 4,8 % против 7,6 % в период первой волны. В период второй волны пациенты были старше, имели больше сопутствующих заболеваний и поступали в стационар в более тяжелом состоянии, пациенты имели более высокий уровень полиморбидности. В период второй волны пандемии увеличилась заболеваемость бактериальной пневмонией и сепсисом, но реже встречались тромбозы глубоких вен и «цитокиновый шторм». Наиболее неблагоприятными для прогноза смертности, как в первую, так и во вторую волны эпидемии были сочетания сопутствующих заболеваний: артериальная гипертензия (АГ) + хроническая сердечная недостаточность (ХСН) + сахарный диабет (СД) + ожирение, АГ + ишемическая болезнь сердца (ИБС) + ХСН + СД, АГ + ИБС + ХСН + ожирение.Заключение. У пациентов во вторую волну пандемии наблюдалось более обширное поражение ткани легких, чаще возникала фебрильная лихорадка, были выше уровни С-реактивного белка и тропонина, ниже уровни гемоглобина и лимфоцитов. Это, вероятно, связано с различной тактикой госпитализации пациентов в первую и вторую волны пандемии в странах, принявших участие в формировании регистров АКТИВ 1 и АКТИВ 2.
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- 2022
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24. The Effect of COVID-19 on Long-Term Cardiac Function in Patients With Chronic Heart Failure.
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Ageev AA, Kozhevnikova MV, Emelyanov AV, Krivova AV, Shumskaya YF, Musaeva LM, Popova LV, Naymann YI, Abdullaeva GB, Privalova EV, and Belenkov YN
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- Male, Female, Humans, Stroke Volume, Chronic Disease, Ventricular Function, Left, COVID-19 complications, Heart Failure diagnosis, Heart Failure epidemiology
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Aim To evaluate functional changes in the heart in the long-term following COVID-19 in patients with chronic heart failure (CHF).Material and methods Case reports of 54 patients aged 69.1±9.7 years who had COVID-19 from January 2021 through January 2022 and had been previously diagnosed with NYHA functional class II-III CHF were studied. Two comparison groups were isolated: HF with LV EF >50 % (n=39) and <50 % (n=15). Echocardiography was used to evaluate changes in LV EF and pulmonary artery systolic pressure (PASP) 5-6 months following COVID-19.Results In all CHF patients after COVID-19 at 5.8 months on average, LV EF decreased (median difference, 2.5 %; 95 % confidence interval (CI): 6.99×10-5- 4.99) and PASP increased (median difference, 8 mm Hg; 95 % CI: 4.5-12.9). In the HF group with LV EF <50 %, the decrease in EF was greater than in the group with LV EF >50 % (6.9 and 0.7 %, respectively; p=0.037); furthermore, the CHF phenotype did not influence the change in PASP (p=0.4). The one-factor regression analysis showed that the dynamics of LV EF decrease was significantly influenced by the baseline decrease in LV EF, whereas the change in PASP was influenced by the dynamics of LV EF decrease, presence of dyslipidemia, and statin treatment. Furthermore, the multifactorial analysis showed that prognostically significant factors for long-term changes in LV EF following COVID-19 were male gender (odds ratio (OR), 5.92; 95 % CI: 1.31-26.75; p=0.014), LV EF at baseline <50 % (OR, 0.88; 95 % CI: 0.8-0.96; p<0.001); changes in PASP depended on the presence of dyslipidemia (OR, 0.08; 95 % CI: 0.01-0.84; p=0.018).Conclusion This study showed that COVID-19 in the long term can influence the course of CHF; in this process, HF patients with EF <50 % have progression of systolic dysfunction and PASP, whereas patients with EF >50 % have an isolated increase in PASP.
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- 2022
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25. Comparative analysis of tryptophan and downstream metabolites of the kynurenine and serotonin pathways in patients with arterial hypertension and coronary artery disease.
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Kozhevnikova MV, Krivova AV, Korobkova EO, Ageev AA, Shestakova KM, Moskaleva NE, Appolonova SA, Privalova EV, and Belenkov YN
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- Humans, Kynurenine metabolism, Tryptophan metabolism, Kynurenic Acid metabolism, Serotonin metabolism, Hydroxyindoleacetic Acid, Quinolinic Acid, Coronary Artery Disease complications, Coronary Artery Disease diagnosis, Hypertension complications, Hypertension diagnosis, Atherosclerosis complications, Atherosclerosis diagnosis
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Aim To compare serum concentrations of tryptophane (Trp) and its metabolites in subjects with no cardiovascular disease (CVD) and patients with СVD, including arterial hypertension (AH) and ischemic heart disease (IHD).Material and methods This study included 131 participants; 58 participants (11 of them with documented peripheral atherosclerosis) were included into the AH group, 46 participants were included into the IHD group, and 27 participants with no signs of CVD were included into the control group. Plasma concentrations of Trp and its metabolites were measured by high-performance liquid chromatography in combination with a triple quadrupole analyzer.Results Comparison of the three study groups revealed significant differences in concentrations of Trp (р=0.029), kynurenine (p<0.001), kynurenine/Trp ratio (p<0.001), quinolinic acid (р=0.007), kynurenic acid (р=0.003), serotonin (p<0.001), and 5‑hydroxyindoleacetic acid (5‑HIAA) (р=0.011). When the AH group was subdivided into subgroups without and with documented peripheral atherosclerosis, the intergroup differences remained for concentrations of kynurenine, kynurenine/Trp ratio, quinolinic acid, kynurenic acid, serotonin, and 5‑HIAA. Also, correlations were found between concentrations of Trp metabolites and laboratory and instrumental data, primarily inflammatory markers. Conclusion Analysis of serum concentrations of Trp and its metabolites in CVD patients showed increases in kynurenine, kynurenine/Trp ratio, quinolinic acid, kynurenic acid, and 5‑HIAA along with decreases in concentrations of Trp and serotonin in the groups of AH, AH with documented peripheral atherosclerosis, and IHD.
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- 2022
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26. Target Metabolome Profiling-Based Machine Learning as a Diagnostic Approach for Cardiovascular Diseases in Adults.
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Moskaleva NE, Shestakova KM, Kukharenko AV, Markin PA, Kozhevnikova MV, Korobkova EO, Brito A, Baskhanova SN, Mesonzhnik NV, Belenkov YN, Pyatigorskaya NV, Tobolkina E, Rudaz S, and Appolonova SA
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Metabolomics is a promising technology for the application of translational medicine to cardiovascular risk. Here, we applied a liquid chromatography/tandem mass spectrometry approach to explore the associations between plasma concentrations of amino acids, methylarginines, acylcarnitines, and tryptophan catabolism metabolites and cardiometabolic risk factors in patients diagnosed with arterial hypertension (HTA) (n = 61), coronary artery disease (CAD) (n = 48), and non-cardiovascular disease (CVD) individuals (n = 27). In total, almost all significantly different acylcarnitines, amino acids, methylarginines, and intermediates of the kynurenic and indolic tryptophan conversion pathways presented increased (p < 0.05) in concentration levels during the progression of CVD, indicating an association of inflammation, mitochondrial imbalance, and oxidative stress with early stages of CVD. Additionally, the random forest algorithm was found to have the highest prediction power in multiclass and binary classification patients with CAD, HTA, and non-CVD individuals and globally between CVD and non-CVD individuals (accuracy equal to 0.80 and 0.91, respectively). Thus, the present study provided a complex approach for the risk stratification of patients with CAD, patients with HTA, and non-CVD individuals using targeted metabolomics profiling.
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- 2022
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27. The Prognostic Value of Neuregulin-1β in Heart Failure Patients With Preserved Ejection Fraction.
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Zhbanov KA, Shchendrygina AA, Salakheeva EY, Sokolova IY, Agadzhanyan AA, Zheleznykh EA, Zektser VY, Privalova EV, and Belenkov YN
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- Aged, Biomarkers, Female, Humans, Male, Middle Aged, Natriuretic Peptide, Brain, Neuregulin-1, Peptide Fragments, Prognosis, Prospective Studies, Stroke Volume, Ventricular Function, Left, Heart Failure diagnosis
- Abstract
Aim To determine the neuregulin-1β concentration in patients with chronic heart failure with preserved ejection fraction (HFpEF) and the association of this biomarker with the functional status of patients, echocardiographic parameters of the structural and functional condition of the heart, and the risk of unfavorable outcome.Material and methods This observational, prospective study included 47 patients with HFpEF; 32 (68%) of them were females. Mean age was 70 [66-77] years, EF was 57 [56; 58] %. The group of healthy volunteers consisted of 40 people; 32 (55 %) of them were females; mean age was 56 [53-61] years. For all patients, the functional status was evaluated (6-min walk test, 6MWT); standard echocardiography (EchoCG) was performed; and concentrations of N-terminal pro-brain natriuretic peptide (NT-proBNP) and neuregulin-1β were measured. The follow-up period was two years. Cases of cardiovascular (CV) death and hospitalizations for decompensated chronic heart failure (CHF) were recorded.Results Median concentration of neuregulin-1β was 0.969 [0.348; 1.932] ng/ml in the HFpEF group, which was significantly higher than 0.379 [0.195; 0.861] ng/ml in the group of healthy volunteers (р=0.003). Significant correlations between the neuregulin-1β concentration and the distance walked in 6MWT or with EchoCG parameters of left ventricular diastolic function were not found. Mean observation time was 456 [244; 730] days. 21 outcomes were observed, including 2 CV deaths and 19 hospitalizations for CHF. Patients with high concentrations of neuregulin-1β (≥Me) had a greater frequency of hospitalizations for CHF (Log-rank, p=0.046) and a higher risk of this outcome (risk ratio, 1.30; 95 % confidence interval, 1.01-1.66; p=0.037).Conclusion Patients with HFpEF had increased concentrations of neuregulin-1β. High levels of neuregulin-1β were associated with a higher risk of hospitalization for decompensated CHF.
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- 2022
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28. Relationship Between Markers of the Acute Phase of Inflammation, Parameters of Blood Lipid Composition and Intracardiac Hemodynamics During Chemotherapy in Patients With Multiple Myeloma.
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Kardanova SA, Kirichenko YY, Bochkarnikova OV, Antyufeeva ON, Kochkareva YB, Vinogradova OY, Privalova EV, Ilgisonis IS, and Belenkov YN
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- Biomarkers, Bortezomib adverse effects, Cardiotoxicity diagnosis, Cardiotoxicity etiology, Cyclophosphamide therapeutic use, Dexamethasone therapeutic use, Hemodynamics, Humans, Inflammation, Lipids, Lipoproteins, LDL, Pilot Projects, Triglycerides therapeutic use, Multiple Myeloma diagnosis, Multiple Myeloma drug therapy, Multiple Myeloma pathology
- Abstract
Aim To evaluate in a pilot study time-related changes in the clinical state, indexes of the acute phase of inflammation, parameters of blood lipid profile, intracardiac hemodynamics, and disorders of cardiac rhythm/conduction in patients who are not candidates for autologous hemopoietic stem cell transplantation, during three bortezomib-containing chemotherapy courses (VCD) followed by a correlation analysis.Material and methods This pilot study included 20 patients diagnosed with myeloma, who were not candidates for autologous hemopoietic stem cell transplantation and who had undergone three courses of VCD chemotherapy (bortezomib, cyclophosphamide and dexamethasone). In addition to mandatory examinations, measurement of blood lipid profile, transthoracic echocardiography (EchoCG), and 24-h Holter electrocardiogram (ECG) monitoring were performed for all participants before and after a specific therapy.Results Following three bortezomib-containing courses of chemotherapy, patients of the study group had significant increases in the neutrophil-lymphocyte ratio (NLR) (1.6±0.2 and 2.5±0.4; р=0.05), cholesterol concentration (4.8±1.1 and 5.6±1.1 mmol/l, р=0.05), and low-density lipoprotein concentration (2.8±0.4 and 3.5±0.8 mmol/l, р=0.02). In comparing the changes in parameters of intracardiac hemodynamics, criteria for genuine cardiotoxicity were not met, however, a tendency to emergence/progression of myocardial diastolic dysfunction was noted. No clinically significant disorders of cardiac rhythm/conduction were observed. The correlation analysis performed prior to the start of chemotherapy, showed significant strong, direct correlations between the C-protein concentration and left atrial (LA) volume (r=0.793; p=0.006), right atrial (RA) volume (r=0.857; p=0.002), left ventricular (LV) end-diastolic dimension (EDD) (r=0.589; p=0.043), and LV end-diastolic volume (EDV) (r=0.726; p=0.017). Following the specific treatment, significant, medium-power and strong correlations were found between NLR and EDV (r= -0.673; p=0.033), NLR and end systolic volume (ESV) (r= -0.710; p=0.021), respectively. Significant direct correlations were found between the bortezomib dose per one injection and the serum concentration of triglycerides following the treatment (r=0.78; p=0.05); a single bortezomib dose and parameters of intracardiac hemodynamics: LA (r=0.71; p=0.026), RA (r=0.74; p=0.014), EDD (r=0.837; p=0.003), EDV (r=0.749; p=0.013), ESV (r=0.553; p=0.049).Conclusion For the first time, a comprehensive evaluation was performed in patients with multiple myeloma, including the dynamics of blood lipid profile, intracardiac hemodynamics and disorders of cardiac rhythm/conduction during bortezomib-containing antitumor therapy, with an analysis of correlation with levels of acute inflammation phase markers. Although in the observation window for genuine cardiotoxicity, clinically significant cardiovascular complications were not detected, the found correlations may evidence a potential role of systemic inflammation activity in myocardial remodeling in the studied patient cohort.
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- 2022
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29. Case Report: AL Amyloidosis Severe Restrictive Cardiomyopathy Associated With Multiple Myeloma-Diagnostic Difficulties.
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Kirichenko YY, Ilgisonis IS, Nakhodnova ES, Sokolova IY, Bochkarnikova OV, Kardanova SA, Lyapidevskaya OV, Privalova EV, Ershov VI, and Belenkov YN
- Abstract
Background: Cardiac AL amyloidosis as a complication of multiple myeloma (MM) is a formidable life-threatening condition. The first-line therapy for both MM and systemic AL amyloidosis is proteasome inhibitors (PIs). Unfortunately, the use of PIs may lead to cardiovascular toxicity development, which requires specific cardio-oncology supervision., Case Report: A 57-year-old woman was admitted to a university hospital with clinical manifestation of progressive chronic heart failure. The patient had hypertension and no history of diabetes mellitus, myocardial infarction (MI), stroke, and arrhythmias. After a series of laboratory and instrumental examination methods, MM complicated by cardiac AL amyloidosis was proved. Upon specific cardio-oncology examination (NT-proBNP 4,274 pg/ml), ECHO showed systolic dysfunction, motion abnormalities in LV basal and middle segments, and a typical depositional myocardium pattern ("luminescence"); cardiac MRI revealed restrictive cardiomyopathy and specific hyperenhancement of the ventricles and atria; 24-h ECG showed QS-pattern in leads V1-V3 and unstable ventricular tachycardia (VT) paroxysms. Cardio-oncology consultation showed baseline cardiovascular risk was very high (≥20%), and cardioprotective therapy [iACE/ARBs, beta-blockers (BB), statins] was administered. The patient underwent VCD (bortezomib; cyclophosphamide; dexamethasone) chemotherapy (CMT) program. By the time of publication, the patient had received four CMT courses with a positive oncohematological and cardiovascular effect., Conclusion: In this clinical case, we described a complication of MM, which was rare according to the severity and manifestation with restrictive cardiomyopathy due to secondary cardiac amyloidosis. The case's features were difficulties in verifying the underlying disease and its own complication, and the complexity of patient management according to modern principles of cardio-oncology., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Kirichenko, Ilgisonis, Nakhodnova, Sokolova, Bochkarnikova, Kardanova, Lyapidevskaya, Privalova, Ershov and Belenkov.)
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- 2022
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30. [Clinical case of the cardiovascular system involvement in a patient with Charcot-Marie-Tooth disease].
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Sokolov DV, Zhelyakov EG, Koval'chuk VV, Kondratova NV, Snezhitskij VA, Kalatsei LV, Belenkov YN, and Ardashev AV
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- Humans, Sick Sinus Syndrome, Cardiovascular System, Charcot-Marie-Tooth Disease complications, Charcot-Marie-Tooth Disease diagnosis, Charcot-Marie-Tooth Disease therapy
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Hereditary motor and sensory type 1A neuropathy (known as Charcot-Marie-Tooth disease) is a disease of peripheral nerves characterized by symptoms of progressive polyneuropathy with preferential damage of distal extremity muscles. Damage to the cardiovascular system is extremely rare and heterogenous in this pathology. This disease is not included in the list of indications for interventional antiarrhythmic aid. We could not find in available literature a clinical description of the development of sinus node dysfunction associated with this pathology. The present clinical report presents a case of detection and successful treatment of a damage to the cardiovascular system that manifested itself as sinus node dysfunction/sick sinus syndrome in the tachy-brady variant. A combination treatment approach using radiofrequency catheter ablation, implantation of a permanent pacemaker, and antiarrhythmic therapy associated with drug and non-drug treatment of motor sensory neuropathy resulted in recovery and long-term maintenance of sinus rhythm as well as in beneficial changes in the patient's neurological status.
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- 2022
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31. Epidemiology of atrial fibrillation in a representative sample of the European part of the Russian Federation. Analysis of EPOCH-CHF study.
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Mareev YV, Polyakov DS, Vinogradova NG, Fomin IV, Mareev VY, Belenkov YN, Ageev FT, Artemjeva EG, Badin YV, Bakulina EV, Galyavich AS, Ionova TS, Kamalov GM, Kechedzhieva SG, Koziolova NA, Malenkova VY, Malchikova SV, Smirnova EA, Tarlovskaya EI, Shcherbinina EV, and Yakushin SS
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- Aged, 80 and over, Anticoagulants therapeutic use, Comorbidity, Cross-Sectional Studies, Female, Humans, Male, Prevalence, Risk Factors, Atrial Fibrillation epidemiology, Diabetes Mellitus, Stroke epidemiology
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Aim To study true prevalence of atrial fibrillation (AF) in a representative sample from the European part of the Russian Federation; to describe characteristics of patients with AF; and to provide the frequency of anticoagulant treatment.Material and methods Cross-sectional data of the EPOCH epidemiological study (2017) were used. Data were collected in 8 constituent entities of the Russian Federation; the sample size was 11 453 people. The sample included all respondents who had given their consent for participation and were older than 10 years. Statistical tests were performed in the R system for statistical data analysis.Results The prevalence of AF in the representative sample from the European part of the Russian Federation was 2.04 %. The AF prevalence increased with age and reached a maximum value of 9.6% in the age group of 80 to 89 years. The AF prevalence among females was 1.5 times higher than among men. With age standardization, the AF prevalence was 18.95 and 21.33 per 1,000 people for men and women, respectively. The AF prevalence increased in the presence of concurrent cardiovascular diseases (CVDs) or diabetes mellitus as well as with an increased number of comorbidities in the same person and reached 70.3 and 60.0 % in patients with 4 and 5 comorbidities, respectively. Patients with AF had a greater number of comorbidities and higher CHA2DS2VASc scores (5.0 vs. 2.0, p<0.001) compared to patients with CVDs without AF. Only 22.6 % of patients with CVD and AF took anticoagulants. Only 23.9% of patients with absolute indications for the anticoagulant treatment received anticoagulants.Conclusion The AF prevalence in the European part of the Russian Federation was 2.04 %; it increased with age and in patients with concurrent CVDs or diabetes mellitus. Most of AF patients (93.2 %) required a mandatory treatment with oral anticoagulants.
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- 2022
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32. Characteristic of cardiovascular status and intracardiac hemodynamics in patients with multiple myeloma before the start of antitumor therapy.
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Kardanova SA, Ilgisonis IS, Ershov VI, Privalova EV, and Belenkov YN
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- Heart, Hemodynamics, Humans, Cardiovascular Diseases etiology, Cardiovascular Diseases prevention & control, Cardiovascular System, Multiple Myeloma complications, Multiple Myeloma diagnosis, Multiple Myeloma drug therapy
- Abstract
Aim: assessment of risk factors, cardiovascular status and intracardiac hemodynamics in patients with multiple myeloma before the start of specific antitumor therapy. Materials and methods: The study included 2 equal groups of patients: the first group - 25 patients with a newly diagnosed diagnosis of multiple myeloma (MM), the comparison group - 25 patients with proven cardiovascular diseases (CVD) (hypertension (HD) and coronary heart disease (CHD)). All patients included in the study underwent standard laboratory diagnostics, instrumental research methods (ECG, Echo-KG, 24-hour Holter monitoring); proven CVD risk factors were also evaluated. Results: When comparing the two groups, it was reliably shown that the state of CVD in patients with MM is comparable to that in patients with proven CVD. In patients from the main group, were revealed significant positive correlations of average strength between indicators of systemic inflammation, the lipid spectrum and intracardiac hemodynamics: between the levels of CRP and triglycerides (r=0,415, p<0,05); between the values of CRP and LDL (r=0,345, p=0,09); CRP and LA volume (r=0,434, p<0,05); CRP and final diastolic volume (r=0,30, p<0,05). At the beginning, a high risk of developing CV- events in patients with MM may be due to cardiac remodeling associated with the activity of systemic inflammation., Conclusion: in view the use of potentially cardiovasculartoxicity drugs for the treatment of multiple myeloma, the assessment of the CV status and consultation with a cardiologist/cardiologist with the selection of the necessary therapy should be obligatory step before starting specific treatment.
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- 2022
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33. To study the dynamics of serum levels of vascular remodeling in patients with hypertension, including in combination with type 2 diabetes mellitus during 12‑month therapy with perindopril A.
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Privalova EA, Belenkov YN, Danilogorskaya YA, Zheleznykh EA, Kozhevnikova MV, Zektser VY, Lishuta AS, and Ilgisonis IS
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- Humans, Perindopril, Tissue Inhibitor of Metalloproteinase-1, Vascular Remodeling, Diabetes Mellitus, Type 2 complications, Diabetes Mellitus, Type 2 drug therapy, Hypertension drug therapy
- Abstract
Aim To study the dynamics of serum markers for vascular remodeling in patients with arterial hypertension (AH), including AH associated with type 2 diabetes mellitus (DM2) during the 12-month treatment with the angiotensin-converting enzyme (ACE) inhibitor, perindopril A.Material and methods The study included patients with grade 1-2 AH with or without type 2 DM (30 and 32, respectively). Perindopril A 10 mg/day was administered for the outpatient correction of previous, ineffective antihypertensive therapy. The following biomarkers were measured for all patients at baseline and at 12 months: matrix metalloproteinase-9 (MMP-9), tissue inhibitor of metalloproteinase-1 (TIMP-1), E-selectin, endothelin 1, transforming growth factor β-1 (TGF-β1), and von Willebrand factor (WF). Laboratory tests were performed with enzyme immunoassay.Results After 12 months of the perindopril A (perindopril arginine) 10 mg/day treatment, both groups achieved the goal blood pressure. Evaluation of biomarker dynamics during the perindopril A treatment showed significant decreases in MMP-9, TIMP-1, and endothelin 1 in the AH group; then the level of TIMP-1 returned to normal values (р<0.05). In the AH+DM2 group, the MMP-9 concentration was significantly decreased (р<0.05); the other values did not show any significant differences. In both groups, MMP-9 was significantly decreased (28.6 % (р=0.01) in group 1 and 33.2 % (р=0.00) in group 2. Notably, in none of these groups, did this index reach normal values. Also, there were no significant differences in this index between the groups (р=0.66). It should be noted that the decreases in TIMP-1 were significantly different between the groups (р=0.001). Thus, this biomarker did not significantly decrease in patients with AH and DM2 (р=0.26) whereas in group 1 (AH without DM2), the level of TIMP-1 decreased by 39.3 % and reached the normal range (р=0.005).Conclusion Concentrations of biomarkers were decreased in both groups. However, in the AH group, there were statistically significant decreases in the markers that reflect processes of fibrosis and vasoconstriction. At the same time in the AH+DM2 group, there was no significant dynamics of the biomarkers, which was most likely due to more pronounced damage of blood vessels. However, the decrease in MMP-9 may indicate an alleviation of fibrotic processes in arterial walls. These results allow a conclusion that the long-term treatment with the ACE inhibitor, perindopril A, may reverse remodeling of the vascular changes that are called "early vascular ageing".r aging".
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- 2022
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34. Possible pathway for heart failure with preserved ejection fraction prevention and treatment: the angiotensin-converting enzyme inhibitor effect on endothelial function in comorbid patients.
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Safonova JI, Kozhevnikova MV, Danilogorskaya YA, Zheleznykh EA, Ilgisonis IS, Privalova EV, Khabarova NV, and Belenkov YN
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- Angiotensin-Converting Enzyme Inhibitors, Humans, Prognosis, Stroke Volume, Ventricular Function, Left, Heart Failure drug therapy
- Abstract
Aim To evaluate the effect of perindopril on the endothelial function and levels of endothelial dysfunction markers in groups of patients with heart failure with preserved (HFpEF) and mid-range (intermediate) left ventricular ejection fraction (HFmrEF).Material and methods 40 patients with HFpEF (n=20) and HFmrEF (n=20) were evaluated. At baseline, parameters of the morpho-functional state of large blood vessels and of microvessels were evaluated with photoplethysmography, and levels of E-selectin and endothelin-1 (ET-1) were measured. The patients were prescribed perindopril, and after 12 months of treatment, photoplethysmographic parameters and endothelial dysfunction markers were determined again.Results After 12 months of the perindopril treatment, improvements in the endothelial function of both large blood vessels and microvessels were noted. The phase shift increased from 10.1 to 10.9 ms in the HFpEF group (р=0.001) and from 8.35 to 9.65 ms in the HFmrEF group (р=0.002). Furthermore, the occlusion index increased from 1.45 to 1.75 in patients with HFpEF (р=0.004) and from 1.5 to 1.75 in patients with HFmrEF (р=0.010). The Е-selectin concentration decreased in both groups, from 57.25 to 42.4 ng/ml (р=0.00008) and from 40.5 to 35.7 ng/ml (р=0.010) in patients with HFpEF and HFmrEF, respectively. The ET-1 concentration decreased from pg/ml (р=0.010) in patients with HFpEF whereas in patients with HFmrEF, there was no significant change in the ET-1 concentration after 12 months of the perindopril treatment.Conclusion At 12 months, the endothelial function improved and E-selectin and ET-1 levels decreased in patients with HFpEF and HFmrEF.
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- 2022
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35. [Mobile health technologies in cardiology].
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Belenkov YN and Kozhevnikova MV
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- Delivery of Health Care, Humans, Cardiology, Cardiovascular Diseases diagnosis, Cardiovascular Diseases therapy, Telemedicine
- Abstract
Digital medicine is becoming an essential part of the healthcare system. The intense development of mobile technologies, the global coverage of mobile networks, and the growing attachment in the society to mobile devices have prompted the creation of mobile healthcare (mHealth). At present, mobile healthcare technologies have been tested in various cardiovascular diseases. Among the main tasks set for telemedicine, it is necessary to note improvements of general medical care, monitoring of patients' condition, accuracy of clinical diagnoses, timely correction of therapy, and improvement of emergency care. Clinical studies are performed in parallel with active work in the field of informational technologies to provide safety of data storage and intellectual processing. Finally, despite the broad public support for the development of this area of medicine, the search continues for methods to improve patients' compliance with the prescribed therapy. This article presents current information about the use of mHealth in cardiology, study results, prospects of mobile healthcare, and major difficulties in implementing projects in this area.
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- 2022
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36. [ACTIV SARS-CoV-2 registry (Analysis of Chronic Non-infectious Diseases Dynamics After COVID-19 Infection in Adult Patients). Assessment of impact of combined original comorbid diseases in patients with COVID-19 on the prognosis].
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Arutyunov GP, Tarlovskaya EI, Arutyunov AG, Belenkov YN, Konradi AO, Lopatin YM, Rebrov AP, Tereshchenko SN, Chesnikova AI, Hayrapetyan HG, Babin AP, Bakulin IG, Bakulina NV, Balykova LA, Blagonravova AS, Boldina MV, Vaisberg AR, Galyavich AS, Gomonova VV, Grigorieva NY, Gubareva IV, Demko IV, Evzerikhina AV, Zharkov AV, Kamilova UK, Kim ZF, Kuznetsova TY, Lareva NV, Makarova EV, Malchikova SV, Nedogoda SV, Petrova MM, Pochinka IG, Protasov KV, Protsenko DN, Ruzanau DY, Sayganov SA, Sarybaev AS, Selezneva NM, Sugraliev AB, Fomin IV, Khlynova OV, Chizhova OY, Shaposhnik II, Sh'ukarev DA, Abdrahmanova АK, Avetisian SA, Avoyan HG, Azarian KK, Aimakhanova GT, Ayipova DA, Akunov AC, Alieva MK, Aparkina AV, Aruslanova OR, Ashina EY, Badina OY, Barisheva OY, Batchayeva AS, Bitieva AM, Bikhteyev IU, Borodulina NA, Bragin MV, Budu AM, Bykova GM, Vagapova KR, Varlamova DD, Vezikova NN, Verbitskaya EA, Vilkova OE, Vinnikova EA, Vustina VV, Galova EA, Genkel VV, Gorshenina EI, Gostishev RV, Grigorieva EV, Gubareva EY, Dabylova GM, Demchenko AI, Dolgikh OY, Duyshobayev MY, Evdokimov DS, Egorova KE, Ermilova AN, Zheldybayeva AE, Zarechnova NV, Zimina YD, Ivanova SY, Ivanchenko EY, Ilina MV, Kazakovtseva MV, Kazymova EV, Kalinina YS, Kamardina NA, Karachenova AM, Karetnikov IA, Karoli NA, Karsiev MK, Кaskaeva DS, Kasymova KF, Kerimbekova ZB, Kerimova AS, Kim ES, Kiseleva NV, Klimenko DA, Klimova AV, Kovalishena OV, Kolmakova EV, Kolchinskaya TP, Kolyadich MI, Kondriakova OV, Konoval MP, Konstantinov DY, Konstantinova EA, Kordukova VA, Koroleva EV, Kraposhina AY, Kriukova TV, Kuznetsova AS, Kuzmina TY, Kuzmichev KV, Kulchoroevna CK, Kuprina TV, Kouranova IM, Kurenkova LV, Kurchugina NY, Kushubakova NA, Levankova VI, Lyubavina NA, Magdeyeva NA, Mazalov KV, Majseenko VI, Makarova AS, Maripov AM, Marusina AA, Melnikov ES, Moiseenko NB, Muradova FN, Muradyan RG, Musaelian SN, Myshak AO, Nekaeva ES, Nikitina NM, Ogurlieva BB, Odegova AA, Omarova YV, Omurzakova NA, Ospanova SO, Pahomova EV, Petrov LD, Plastinina SS, Pogrebetskaya VA, Polyakov DS, Ponomarenko EV, Popova LL, Prokofeva NA, Pudova IA, Rakov NA, Rahimov AN, Rozanova NA, Serikbolkyzy S, Simonov AA, Skachkova VV, Soloveva DV, Soloveva IA, Subbotin AK, Sukhomlinova IM, Sushilova AG, Tagayeva DR, Titojkina YV, Tikhonova EP, Tokmin DS, Tolmacheva AA, Torgunakova MS, Trenogina KV, Trostianetckaia NA, Trofimov DA, Tulichev AA, Tursunova AT, Ulanova ND, Fatenkov OV, Fedorishina OV, Fil TS, Fomina IY, Fominova IS, Frolova IA, Tsvinger SM, Tsoma VV, Cholponbaeva MB, Chudinovskikh TI, Shevchenko OA, Sheshina TV, Shishkina EA, Shishkov KY, Sherbakov SY, and Yausheva EA
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- Adult, Female, Humans, Male, Chronic Disease, Prognosis, Registries, SARS-CoV-2, Cardiovascular Diseases diagnosis, Cardiovascular Diseases epidemiology, Cardiovascular Diseases etiology, Coronary Disease, COVID-19 diagnosis, COVID-19 epidemiology, Diabetes Mellitus, Heart Failure, Hypertension diagnosis, Hypertension epidemiology, Noncommunicable Diseases
- Abstract
Aim: Study the impact of various combinations of comorbid original diseases in patients infected with COVID-19 later on the disease progression and outcomes of the new coronavirus infection., Materials and Methods: The ACTIV registry was created on the Eurasian Association of Therapists initiative. 5,808 patients have been included in the registry: men and women with COVID-19 treated at hospital or at home., Clinicaltrials: gov ID NCT04492384., Results: Most patients with COVID-19 have original comorbid diseases (oCDs). Polymorbidity assessed by way of simple counting of oCDs is an independent factor in negative outcomes of COVID-19. Search for most frequent combinations of 2, 3 and 4 oCDs has revealed absolute domination of cardiovascular diseases (all possible variants). The most unfavorable combination of 2 oCDs includes atrial hypertension (AH) and chronic heart failure (CHF). The most unfavorable combination of 3 oCDs includes AH, coronary heart disease (CHD) and CHF; the worst combination of 4 oCDs includes AH, CHD, CHF and diabetes mellitus. Such combinations increased the risk of lethal outcomes 3.963, 4.082 and 4.215 times respectively., Conclusion: Polymorbidity determined by way of simple counting of diseases may be estimated as a factor in the lethal outcome risk in the acute phase of COVID-19 in real practice. Most frequent combinations of 2, 3 and 4 diseases in patients with COVID-19 primarily include cardiovascular diseases (AH, CHD and CHF), diabetes mellitus and obesity. Combinations of such diseases increase the COVID-19 lethal outcome risk.
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- 2022
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37. [Management of patients with atrial fibrillation and minor bleeding during therapy with direct oral anti-coagulants].
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Belenkov YN, Popova LV, and Ilgisonis SI
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- Administration, Oral, Anticoagulants adverse effects, Hemorrhage chemically induced, Humans, Atrial Fibrillation complications, Atrial Fibrillation drug therapy, Stroke drug therapy, Stroke etiology, Stroke prevention & control
- Abstract
The recommended tactics for prevention of thromboembolic complications of atrial fibrillation (AF) is the oral anticoagulant (OAC) treatment. The drugs of choice for preventing stroke for most patients with AF, excluding some valvular defects, are direct OACs (DOACS). Regardless of the drug class, all anticoagulants, even at appropriate doses, increase the risk of bleeding. However, the development of minor bleedings is not an absolute indication for DOAC withdrawal. This review presents a tactics for management of patients with minor bleeding associated with the DOAC treatment.
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- 2021
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38. [Assessment of the structural and functional state of blood vessels in patients with hypertrophic cardiomyopathy].
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Bogatyreva FM, Kaplunova VRY, Kozhevnikova MV, Shakaryants GA, Khabarova NV, Privalova EV, and Belenkov YN
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- Adult, Aged, Capillaries, Echocardiography, Electrocardiography, Humans, Male, Microscopic Angioscopy, Middle Aged, Cardiomyopathy, Hypertrophic diagnosis
- Abstract
Aim To evaluate the structural and functional condition of the vasculature using fingertip photoplethysmography and computerized videocapillaroscopy in patients with hypertrophic cardiomyopathy (HCMP).Material and methods The study included patients with HCMP (n=48; 28 (57 %) men; age, 54.3±13.6 years) and healthy volunteers (control group, n=33, 15 (45 %) men; age, 58.2±8.8 years). Standard laboratory and instrumental examination (blood count and biochemistry, electrocardiography, echocardiography, Holter electrocardiogram monitoring) were performed for all HCMP patients. The condition of vascular wall at various levels of the vasculature was evaluated by fingertip photoplethysmography (apparatus Angioscan-01) and computerized nail-fold videocapillaroscopy (apparatus Capillaroscan-01). The photoplethysmography study analyzed structural parameters, including the arterial wall stiffness index (aSI) of large blood vessels and the resistance index (RI) of small muscular arteries. Endothelial dysfunction was evaluated by the occlusion index (OI) and phase shift (PS). The capillaroscopy study assessed structural parameters, including the resting capillary density (rCD) and the capillary density following venous occlusion (voCD), and functional parameters, including the percentage of perfused capillaries (PPC), the percentage of restored capillaries (PRC), and the capillary density after the reactive hyperemia test (rhCD).Results The study showed increases in aSI (8.8 [6.8; 12.2] and RI (32.5 [17.4; 47.9] in the HCMP group. The OI was significantly lower in the HCMP group (1.3 [1.1; 1.5]) than in the control group (1.8 [1.5; 2.7], р<0.001). Also, PS values were significantly decreased in the HCMP group (4.4 [2.3; 8.6]) compared to the control group (8.4 [5.1; 12.1]. p=0.018). Disorders of structural and functional capillary indexes were observed in HCMP patients compared to the control group; rCD and voCD were decreased in the HCMP group (60 [52.6; 68] and 88 [75; 90], respectively) compared to the control group (75.8 [60; 87] and 90 [73; 101]), however, no intergroup difference reached a statistical significance. The rhCD, PPC, and PRC values were decreased in the HCMP group (66.3 [55; 72], 86.7 [70.9; 104.2] and 1.7 [-6.95; 20.3], respectively) compared to the control group (86 [68.6; 100], 103 [96; 114] and 18.4 [8.1; 27.4], respectively); PPC and PRC values were significantly different (р<0.005 and p<0.004, respectively).Conclusion In patients with HCMP, fingertip photoplethysmography and computerized videocapillaroscopy showed increased wall stiffness in both large blood vessels and microvasculature, pronounced endothelial dysfunction, and decreases in capillary density and percentage of restored capillaries following respective tests.
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- 2021
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39. [Focus ultrasound for cardiology practice. Russian consensus document].
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Mareev YV, Dzhioeva ON, Zorya OT, Pisaryuk AS, Verbilo SL, Skaletsky KV, Ionin VA, Drapkina OM, Alekhin MN, Saidova MA, Safarova AF, Garganeeva AA, Boshchenko AA, Ovchinnikov AG, Chernov MY, Ageev FT, Vasyuk YA, Kobalava ZD, Nosikov AV, Safonov DV, Khudorozhkova ED, Belenkov YN, Mitkov VV, Mitkova MD, Matskeplishvili ST, and Mareev VY
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- Consensus, Humans, Russia, Ultrasonography, Cardiology, Heart Failure
- Abstract
This document is a consensus document of Russian Specialists in Heart Failure, Russian Society of Cardiology, Russian Association of Specialists in Ultrasound Diagnostics in Medicine and Russian Society for the Prevention of Noncommunicable Diseases. In the document a definition of focus ultrasound is stated and discussed when it can be used in cardiology practice in Russian Federation.
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- 2021
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40. Mitral valve replacement and implantation of an extracardial mesh frame in patients with severe heart failure: results of a clinical study and a description of a clinical case 18 years after surgery.
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Belenkov YN, Koroteev AV, and Mareev VY
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- Adult, Hospital Mortality, Humans, Middle Aged, Surgical Mesh, Ventricular Function, Left, Heart Failure, Mitral Valve
- Abstract
Aim Dilated cardiomyopathy (DCMP) is a major cause for severe heart failure. Development of a combination (drug and surgery) treatment of this disease is relevant. This prospective observational study was aimed at evaluating short- and long-term results of extracardiac mesh implantation in DCMP patients with heart failure resistant to the optimum drug therapy.Material and methods The extracardiac mesh ACOR-1 was implanted in 15 patients with DCMP. All meshes were produced individually for each patient and made of Gelweave (great Britain) vascular graft strips. The mesh size corresponded to the heart diastolic size, which was measured after achieving a maximum possible clinical improvement for the patient. Long-term results were followed for up to 4 years. Mean age of patients was 43.1±10.8 years (from 28 to 62 years). One patient was followed up for 18 years. Data of that patient were presented as a clinical case report.Results From October, 2003 through October, 2007, 15 DCMP patients received mesh implants. Cases of in-hospital death were absent. In 3 mos. after the surgery, left ventricular volumes decreased (end-diastolic volume decreased from 251.7±80.7 to 229.0±61.3 ml; end-systolic volume decreased from 182.3±73.6 to 167.7±46.2 ml), and the left ventricular pump function improved (ejection fraction increased from 25.2±6.0 to 27.1±5.1 %; cardiac index increased from 2.0±0.5 to 2.4±0.7 ml /min /m2). The functional state of patients improved by one NYHA class, from 3.7±0.3 to 2.8±0.6. In some cases, the left ventricular size and the systolic function completely normalized. There were no episodes of circulatory decompensation in the long term after surgery. Actuarial survival for the observation period was 100%.Conclusion Implantation of extracardiac mesh prevented progression of heart dilatation and, in combination with drug therapy, it may represent an effective method for treatment of DCMP.
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- 2021
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41. Analysis of influence of background therapy for comorbidities in the period before infection on the risk of the lethal COVID outcome. Data from the international ACTIV SARS-CoV-2 registry («Analysis of chronic non-infectious diseases dynamics after COVID-19 infection in adult patients SARS-CoV-2»).
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Tarlovskaya EI, Arutyunov AG, Konradi AO, Lopatin YM, Rebrov AP, Tereshchenko SN, Chesnikova AI, Hayrapetyan HG, Babin AP, Bakulin IG, Bakulina NV, Balykova LA, Blagonravova AS, Boldina MV, Vaisberg AR, Galyavich AS, Gomonova VV, Grigorieva NY, Gubareva IV, Demko IV, Evzerikhina AV, Zharkov AV, Kamilova UK, Kim ZF, Kuznetsova TY, Lareva NV, Makarova EV, Malchikova SV, Nedogoda SV, Petrova MM, Pochinka IG, Protasov KV, Protsenko DN, Ruzanau DY, Sayganov SA, Sarybaev AS, Selezneva NM, Sugraliev AB, Fomin IV, Khlynova OV, Chizhova OY, Shaposhnik II, Shсukarev DA, Abdrahmanova AK, Avetisian SA, Avoyan HG, Azarian KK, Aimakhanova GT, Ayipova DA, Akunov AC, Alieva MK, Aparkina AV, Aruslanova OR, Ashina EY, Badina OY, Barisheva OY, Batchayeva AS, Bitieva AM, Bikhteyev IU, Borodulina NA, Bragin MV, Budu AM, Burygina LA, Bykova GA, Vagapova KR, Varlamova DD, Vezikova NN, Verbitskaya EA, Vilkova OE, Vinnikova EA, Vustina VV, Gаlova EA, Genkel VV, Gorshenina EI, Gostishev RV, Grigorieva EV, Gubareva EY, Dabylova GM, Demchenko AI, Dolgikh OY, Duyshobayev MY, Evdokimov DS, Egorova KE, Ermilova AN, Zheldybayeva AE, Zarechnova NV, Zimina YD, Ivanova SY, Ivanchenko EY, Ilina MV, Kazakovtseva MV, Kazymova EV, Kalinina YS, Kamardina NA, Karachenova AM, Karetnikov IA, Karoli NA, Karpov OV, Karsiev MK, Кaskaeva DS, Kasymova KF, Kerimbekova ZB, Kerimova AS, Kim ES, Kiseleva NV, Klimenko DA, Klimova AV, Kovalishena OV, Kolmakova EV, Kolchinskaya TP, Kolyadich MI, Kondriakova OV, Konoval MP, Konstantinov DY, Konstantinova EA, Kordukova VA, Koroleva EV, Kraposhina AY, Kriukova TV, Kuznetsova AS, Kuzmina TY, Kuzmichev KV, Kulchoroeva CK, Kuprina TV, Kouranova IM, Kurenkova LV, Kurchugina NY, Kushubakova NA, Levankova VI, Levin MЕ, Lyubavina NA, Magdeyeva NA, Mazalov KV, Majseenko VI, Makarova AS, Maripov AM, Marusina AA, Melnikov ES, Moiseenko NB, Muradova FN, Muradyan RG, Myshak AO, Nikitina NM, Ogurlieva BB, Odegova AA, Omarova YM, Omurzakova NA, Ospanova SO, Pahomova EV, Petrov LD, Plastinina SS, Pogrebetskaya VA, Polyakov DS, Ponomarenko EV, Popova LL, Prokofeva NA, Pudova IA, Rakov NA, Rakhimov AN, Rozanova NA, Serikbolkyzy S, Simonov AA, Skachkova VV, Soloveva DV, Soloveva IA, Sokhova FM, Subbotin AK, Sukhomlinova IM, Sushilova AG, Tagayeva DR, Titojkina YV, Tikhonova EP, Tokmin DS, Tolmacheva AA, Torgunakova MS, Trenogina KV, Trostianetckaia NA, Trofimov DA, Tulichev AA, Tursunova AT, Ulanova ND, Fatenkov OV, Fedorishina OV, Fil TS, Fomina IY, Fominova IS, Frolova IA, Tsvinger SM, Tsoma VV, Cholponbaeva MB, Chudinovskikh TI, Shevchenko OA, Sheshina TV, Shishkina EA, Shishkov KY, Sherbakov SY, Yausheva EA, Musaelian SN, Belenkov YN, and Arutyunov GP
- Subjects
- Adult, Comorbidity, Female, Humans, Male, Pandemics, Registries, SARS-CoV-2, COVID-19, Diabetes Mellitus, Type 2, Noncommunicable Diseases
- Abstract
Aim To study the effect of regular drug therapy for cardiovascular and other diseases preceding the COVID-19 infection on severity and outcome of COVID-19 based on data of the ACTIVE (Analysis of dynamics of Comorbidities in paTIents who surVived SARS-CoV-2 infEction) registry.Material and methods The ACTIVE registry was created at the initiative of the Eurasian Association of Therapists. The registry includes 5 808 male and female patients diagnosed with COVID-19 treated in a hospital or at home with a due protection of patients' privacy (data of nasal and throat smears; antibody titer; typical CT imaging features). The register territory included 7 countries: the Russian Federation, the Republic of Armenia, the Republic of Belarus, the Republic of Kazakhstan, the Kyrgyz Republic, the Republic of Moldova, and the Republic of Uzbekistan. The registry design: a closed, multicenter registry with two nonoverlapping arms (outpatient arm and in-patient arm). The registry scheduled 6 visits, 3 in-person visits during the acute period and 3 virtual visits (telephone calls) at 3, 6, and 12 mos. Patient enrollment started on June 29, 2020 and was completed on October 29, 2020. The registry completion is scheduled for October 29, 2022. The registry ID: ClinicalTrials.gov: NCT04492384. In this fragment of the study of registry data, the work group analyzed the effect of therapy for comorbidities at baseline on severity and outcomes of the novel coronavirus infection. The study population included only the patients who took their medicines on a regular basis while the comparison population consisted of noncompliant patients (irregular drug intake or not taking drugs at all despite indications for the treatment).Results The analysis of the ACTIVE registry database included 5808 patients. The vast majority of patients with COVID-19 had comorbidities with prevalence of cardiovascular diseases. Medicines used for the treatment of COVID-19 comorbidities influenced the course of the infectious disease in different ways. A lower risk of fatal outcome was associated with the statin treatment in patients with ischemic heart disease (IHD); with angiotensin-converting enzyme inhibitors (ACEI)/angiotensin receptor antagonists and with beta-blockers in patients with IHD, arterial hypertension, chronic heart failure (CHF), and atrial fibrillation; with oral anticoagulants (OAC), primarily direct OAC, clopidogrel/prasugrel/ticagrelor in patients with IHD; with oral antihyperglycemic therapy in patients with type 2 diabetes mellitus (DM); and with long-acting insulins in patients with type 1 DM. A higher risk of fatal outcome was associated with the spironolactone treatment in patients with CHF and with inhaled corticosteroids (iCS) in patients with chronic obstructive pulmonary disease (COPD).Conclusion In the epoch of COVID-19 pandemic, a lower risk of severe course of the coronavirus infection was observed for patients with chronic noninfectious comorbidities highly compliant with the base treatment of the comorbidity.
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- 2021
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42. [Biomarkers in Heart Failure: Current and Future].
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Kozhevnikova MV and Belenkov YN
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- Biomarkers, Humans, Prognosis, Stroke Volume, Ventricular Function, Left, Heart Failure diagnosis, Proteomics
- Abstract
Heart failure (HF) is the ending of practically all cardiovascular diseases and the reason for hospitalization of 49% of patients in a cardiological hospital. Available instrumental diagnostic methods and biomarkers not always allow verification of HF, particularly in patients with preserved left ventricular ejection fraction. Prediction of chronic HF in patients with risk factors faces great difficulties. Currently, natriuretic peptides (NUP) are widely used for the diagnosis, prognosis and management of patients with HF and are included in clinical guidelines for diagnosis and treatment of HF. Following multiple studies, the understanding of NUP significance has changed. This resulted in a need for new biomarkers to improve the insight into the process of HF and to personalize the treatment by better individual phenotyping. In addition, current technologies, such as transcriptomic, proteomic and metabolomic analyses, provide identification of new biomarkers and better understanding of features of the HF pathogenesis. The aim of this study was to discuss recent reports on NUP and novel, most promising biomarkers in respect of their possible use in clinical practice.
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- 2021
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43. Value of comparative studies of "real clinical practice" in modern cardiology. Position paper based on the expert council discussion dated 12/18/2020.
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Belenkov YN, Arutunov GP, Barbarash OL, Bondareva IB, Villevalde SV, Galyavich AS, Gilarevsky SR, Duplyakov DV, Koziolova NA, Lopatin YM, Mareev YV, Martsevich SY, Panchenko EP, Fomin IV, Yavelov IS, and Yakhontov DA
- Subjects
- Humans, Russia, Societies, Medical, Cardiology, Heart Failure diagnosis
- Abstract
On December 18, 2020, an expert council was held with the participation of members of the Russian Society of Cardiology, the Eurasian Association of Ther-apists, the National Society for Atherothrombosis, the National Society for Evi-dence-Based Pharmacotherapy, and the Russian Heart Failure Society. The event was devoted to the discussion of the correct use of research data of "real clinical practice" in decision making.
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- 2021
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44. Chronic heart failure in the Russian Federation: what has changed over 20 years of follow-up? Results of the EPOCH-CHF study.
- Author
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Polyakov DS, Fomin IV, Belenkov YN, Mareev VY, Ageev FT, Artemjeva EG, Badin YV, Bakulina EV, Vinogradova NG, Galyavich AS, Ionova TS, Kamalov GM, Kechedzhieva SG, Koziolova NA, Malenkova VY, Malchikova SV, Mareev YV, Smirnova EA, Tarlovskaya EI, Shcherbinina EV, and Yakushin SS
- Subjects
- Chronic Disease, Follow-Up Studies, Humans, Russia epidemiology, Diabetes Mellitus, Heart Failure epidemiology
- Abstract
Aim To study the etiology and the dynamics of prevalence and mortality of CHF; to evaluate the treatment coverage of such patients in a representative sample of the European part of the Russian Federation for a 20-year period. Material and methods A representative sample of the European part of the Russian Federation followed up for 2002 through 2017 (n=19 276); a representative sample of the population of the Nizhny Novgorod region examined in 1998 (n=1922).Results During the observation period since 2002, the incidence of major CHF symptoms (tachycardia, edema, shortness of breath, weakness) tended to decrease while the prevalence of cardiovascular diseases has statistically significantly increased. During the period from 1998 through 2017, the prevalence of I-IV functional class (FC) CHF increased from 6.1 % to 8.2 % whereas III-IV FC CHF increased from 1.8 % to 3.1 %. The main causes for the development of CHF remained arterial hypertension and ischemic heart disease; the role of myocardial infarction and diabetes mellitus as causes for CHF was noted. For the analyzed period, the number of treatment components and the coverage of basic therapy for patients with CHF increased, which probably accounts for a slower increase in the disease prevalence by 2007-2017. The prognosis of patients was unfavorable: in I-II FC CHF, the median survival was 8.4 (95 % CI: 7.8-9.1) years and in III-IV FC CHF, the median survival was 3.8 (95 % CI: 3.4-4.2) years.
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- 2021
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45. [Atrial Fibrillation and Mortality: Prognostic Factors and Direction of Prevention].
- Author
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Ardashev AV, Belenkov YN, Matsiukevich MC, and Snezhitskiy VA
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- Humans, Prognosis, Treatment Outcome, Atrial Fibrillation complications, Atrial Fibrillation surgery, Catheter Ablation, Heart Failure surgery
- Abstract
This review focuses on major causes and risk factors for death of patients with atrial fibrillation (AF). The authors analyzed current therapeutic strategies for managing patients with AF with respect of their effects on prediction and mortality. Special attention is paid to the strategy of rhythm control and the clinical significance of catheter ablation in the treatment of patients with AF and heart failure.
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- 2021
- Full Text
- View/download PDF
46. Endothelial dysfunction and inflammation in patients with non-obstructive coronary arteries.
- Author
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Pakhtusov NN, Iusupova AO, Privalova EV, Khabarova NV, and Belenkov YN
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- Humans, Inflammation, Coronary Artery Disease, Hyperemia, Myocardial Ischemia
- Abstract
Aim To determine levels of markers for endothelial dysfunction and inflammation, endothelin-1, E-selectin, and tumor necrosis factor α (TNF-α) in patients with ischemic heart disease (IHD) and non-obstructive and obstructive coronary artery (CA) disease.Material and methods This study included 32 patients with verified IHD and non-obstructive (main group, n=19) and obstructive (comparison group, n=13) CA disease. Endothelial dysfunction was diagnosed by photoplethysmography and videocapillaroscopy. Serum concentrations of endothelin-1, E-selectin, and TNF- α were measured in all patients.Results Patients with non-obstructive CA disease showed a tendency towards more pronounced endothelial dysfunction (alternative stiffness index, 7.8 m /s [6.35; 9.08]; reflection index, 36.95 % [23.4; 52.65]; capillary density following reactive hyperemia, 54.33 cap /mm2 [48.92; 75.83]; capillary density following venous occlusion, 74.33 cap /mm2 [67.83; 93.00]) compared to the comparison group (alternative stiffness index, 9.05 m/s [7.08; 10.58]; reflection index, 28.25 % [23.35; 53.75]; capillary density following reactive hyperemia, 66.83 cap /mm2 [50.83; 78.67]; capillary density following venous occlusion, 87.0 cap /mm2 [77.58; 78.67]), although statistically significant differences were not found. Concentration of endothelin-1 was significantly higher in the IHD group with non-obstructive CA disease (0.45 ng/ml [0.28;0.65]) compared to patients with CA atherosclerotic stenosis (0.35 ng/ml [0.25; 0.38], p=0.035). Concentrations of E-selectin did not significantly differ between the groups (main group, 21.1 ng/ml [18.45; 35.03]; comparison group, 28.55 ng/ml [19.08; 35.01], p=0.29). In both groups, concentrations of TNF-α did not exceed the lower threshold of sensitivity (<2.3 pg/ml).Conclusion Endothelial dysfunction and increased endothelin-1 in patients with non-obstructive CA disease along with inflammation may additionally contribute to the pathogenesis of IHD in the absence of hemodynamically significant CA stenoses. Too low level of TNFα in both groups prevented us from using it as a diagnostic marker. Further study is needed that would include a greater number of patients and a search for alternative markers.
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- 2021
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47. [Assessment of the Dynamics of Oxidative Stress Indicators and Early Markers of Myocardial Damage and Dysfunction in Patients with Aggressive Lymphoproliferative Diseases During of Anticancer Therapy].
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Antyufeeva ON, Budanova DA, Ilgisonis IS, Gadaev IY, Bochkarnikova OV, Sokolova IY, Belenkov YN, and Ershov VI
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- Biomarkers, Echocardiography, Humans, Oxidative Stress, Troponin I, Natriuretic Peptide, Brain, Peptide Fragments
- Abstract
Aim To evaluate the dynamics of indexes of oxidative stress and markers of myocardial injury and dysfunction in patients with aggressive type lymphomas during the antitumor therapy.Material and methods This study included 75 patients with lymphoproliferative diseases of aggressive type. The main group consisted of 53 patients who received one course of antitumor therapy during the study. The comparison group consisted of 22 patients who have not received any specific treatment so far. Troponin I (TnI), high-sensitivity troponin (hsTnI), heart-type fatty acid binding protein (Н-FAВР), N-terminal pro-brain natriuretic peptide (NT-prоBNP), superoxide dismutase (SOD), and myeloperoxidase (MPO) were measured in patients of both groups at baseline, and in the main group, they were measured at 4 hours after administration of antitumor agents and on completion of the course. Functional status of the cardiovascular system was evaluated by electrocardiography in all patients at baseline and after the course of antitumor treatment and by echocardiography.Results The chemotherapy was associated with increased levels of NT-prоBNP, SOD, and MPO (30.670±15.367 vs. 52.309±25.718 pmo l/l; 1.61±0.135 vs. 1.74±0.193 U/ml; and 507.54±91.51 vs. 742.3±49.01 ng/ml, respectively). The study results indicated activation of oxidative stress on the background of the administered antitumor therapy, progressive myocardial dysfunction, and increased frequency of arrhythmic episodes.Conclusion The study results allowed identifying NT-prоBNP, MPO, and SOD as important indexes for determining a patient group at high risk of cardiotoxicity during the antitumor treatment.
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- 2021
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48. [The role of diastolic transthoracic stress echocardiography with incremental workload in the evaluation of heart failure with preserved ejection fraction: indications, methodology, interpretation. Expert consensus developed under the auspices of the National Medical Research Center of Cardiology, Society of Experts in Heart Failure (SEHF), and Russian Association of Experts in Ultrasound Diagnosis in Medicine (REUDM)].
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Ovchinnikov AG, Ageev FT, Alekhin MN, Belenkov YN, Vasyuk YA, Galyavich AS, Gilyarevskiy SR, Lopatin YM, Mareev VY, Mareev YV, Mitkov VV, Potekhina AV, Prostakova TS, Rybakova MK, Saidova MA, Khadzegova AB, Chernov MY, Yuschuk EN, and Boytsov SA
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- Consensus, Echocardiography, Echocardiography, Stress, Exercise Test, Humans, Russia, Stroke Volume, Ventricular Function, Left, Workload, Biomedical Research, Cardiology, Heart Failure diagnostic imaging
- Abstract
Diagnosis of heart failure with preserved ejection fraction (HFpEF) is associated with certain difficulties since many patients with HFpEF have a slight left ventricular diastolic dysfunction and normal filling pressure at rest. Diagnosis of HFpEF is improved by using diastolic transthoracic stress-echocardiography with dosed exercise (or diastolic stress test), which allows detection of increased filling pressure during the exercise. The present expert consensus explains the requirement for using the diastolic stress test in diagnosing HFpEF from clinical and pathophysiological standpoints; defines indications for the test with a description of its methodological aspects; and addresses issues of using the test in special patient groups.
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- 2021
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49. [The use of diuretics in chronic heart failure. Position paper of the Russian Heart Failure Society].
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Mareev VY, Garganeeva AA, Ageev FT, Arutunov GP, Begrambekova YL, Belenkov YN, Vasyuk YA, Galyavich AS, Gilarevsky SR, Glezer MG, Drapkina OM, Duplyakov DV, Kobalava ZD, Koziolova NA, Kuzheleva EA, Mareev YV, Ovchinnikov AG, Orlova YA, Perepech NB, Sitnikova MY, Skvortsov AA, Skibitskiy VV, and Chesnikova AI
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- Chronic Disease, Humans, Russia, Diuretics, Heart Failure drug therapy
- Abstract
The document focuses on key issues of diuretic therapy in CHF from the standpoint of current views on the pathogenesis of edema syndrome, its diagnosis, and characteristics of using diuretics in various clinical situations.
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- 2021
- Full Text
- View/download PDF
50. [International register "Analysis of Chronic Non-infectious Diseases Dynamics After COVID-19 Infection in Adult Patients (ACTIV SARS-CoV-2)"].
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Arutyunov GP, Tarlovskaya EI, Arutyunov AG, Belenkov YN, Konradi AO, Lopatin YM, Tereshchenko SN, Rebrov AP, Chesnikova AI, Fomin IV, Grigorieva NU, Boldina VM, Vaisberg AR, Blagonravova AS, Makarova EV, Shaposhnik II, Kuznetsova TY, Malchikova SV, Protsenko DN, Evzerikhina AV, Petrova MM, Demko IV, Saphonov DV, Hayrapetyan HG, Galyavich AS, Kim ZF, Sugraliev AB, Nedogoda SV, Tsoma VV, Sayganov SA, Gomonova VV, Gubareva IV, Sarybaev AS, Ruzanau DY, Majseenko VI, Babin AP, Kamilova UK, Koroleva EV, Vilkova OE, Fomina IY, Pudova IA, Soloveva DV, Doshchannikov DA, Kiseleva NV, Zelyaeva NV, Kouranova IM, Pogrebetskaya VA, Muradova FN, Badina OY, Kovalishena OV, Gаlova AE, Plastinina SS, Grigorovich MS, Lyubavina NA, Vezikova NN, Levankova VI, Ivanova SY, Ermilova AN, Muradyan RG, Gostishev RV, Tikhonova EP, Kuzmina TY, Soloveva IA, Kraposhina AY, Kolyadich MI, Kolchinskaya TP, Genkel VV, Kuznetsova AS, Kazakovtseva MV, Odegova AA, Chudinovskikh TI, Baramzina SV, Rozanova NA, Kerimova AS, Krivosheina NA, Chukhlova SY, Levchenko AA, Avoyan HG, Azarian KK, Musaelian SN, Avetisian SA, Levin ME, Karpov OV, Sokhova FM, Burygina LA, Sheshina TV, Tiurin AA, Dolgikh OY, Kazymova EV, Konstantinov DY, Chumakova OA, Kondriakova OV, Shishkov KY, Fil ST, Prokofeva NA, Konoval MP, Simonov AA, Bitieva AM, Trostianetckaia NA, Cholponbaeva MB, Kerimbekova ZB, Duyshobayev MY, Akunov AC, Kushubakova NA, Melnikov ES, Kim ES, Sherbakov SY, Trofimov DA, Evdokimov DS, Ayipova DA, Duvanov IA, Abdrahmanova AK, Aimakhanova GT, Ospanova SO, Gaukhar MD, Tursunova AT, Kaskaeva DS, Tulichev AA, Ashina EY, Kordukova VA, Barisheva OY, Egorova KE, Varlamova DD, Kuprina TV, Pahomova EV, Kurchugina NY, Frolova IA, Mazalov KV, Subbotin AK, Kamardina NA, Zarechnova NV, Mamutova EM, Smirnova LA, Klimova AV, Shakhgildyan LD, Tokmin DS, Tupitsin DI, Kriukova TV, Polyakov DS, Karoli NA, Grigorieva EV, Magdeyeva NA, Aparkina AV, Nikitina NM, Petrov LD, Budu AM, Rasulova ZD, Tagayeva DR, Fatenkov OV, Gubareva EY, Demchenko AI, Klimenko DA, Omarova YV, Serikbolkyzy S, and Zheldybayeva AE
- Subjects
- Adult, Humans, SARS-CoV-2, COVID-19, Noncommunicable Diseases
- Abstract
.
- Published
- 2021
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