Publications by authors named "Voznyuk I"

Objective: To study the severity of systemic metabolic dysfunction in various types of stroke and determine the parameters of optimal energy and protein supply for this category of patients in the presence of severe neurological deficit (National Institutes of Health Stroke Scale - NIHSS score of 15 points or more) during different periods of the disease.

Material And Methods: The retrospective study included 512 patients with acute cerebrovascular accident (ACVA) who received nutritional support (NS) for 10 days or more: 367 (71.7%) people with ischemic stroke (IS) and 145 (28.

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Functional transcranial dopplerography (FTCD) is a non-invasive ultrasound examination that allows recording the dynamics of cerebral blood flow parameters under conditions of factors stimulated the activity of the structures of the central nervous system. Judgments about the sensitivity and specificity of FTCD are based on the close connection between changes in the activity of the nervous (somatic) system and the response of regional cerebral blood flow (CBF). The technique is a portable and accessible diagnostic method used in assessing the possibility of expanding functional activity during the recovery period after a stroke.

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Objective: To evaluate systematically the published peer-reviewed literature and estimate the effect of therapy with Mexidol on the course and outcomes of ischemic stroke (II) in adult patients.

Material And Methods: The meta-analysis included 11 studies reported In Russian (2 randomized controlled studies, 9 non-randomized, unblinded cohort studies).

Results: The results obtained indicate a positive effect of Mexidol on the course of II in the treated adult patients: we found statistically significant decrease in NIHSS scores on days 7-10 and 21-24 and in modified Rankin scale scores on days 5-7 and days 10-14 compared with the control group.

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Objective: To assess risk factors (RF) and severity grade of Posterior reversible encephalopathy syndrome (PRES) in children with hematological diseases.

Material And Methods: We analyzed cases of PRES in children during chemotherapy (CT) and after allogeneic hematopoietic stem cell transplantation (allo-HSCT). We estimated the following RF: arterial hypertension, steroid therapy, CT, immunosuppressive therapy (IST), infection and renal injury.

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The aging of the population and the associated increase in the share of cognitive impairments in the structure of a wide range of diseases are a serious challenge for modern healthcare. Difficulties in the treatment of cognitive disorders are determined by many factors, including the age of patients, comorbidity, forced polypragmasia and the adequacy of the dosage of drugs that restore cognitive activity. The experts discussed information about the therapeutic potential of the drug Cerebrolysin in the treatment of cognitive disorders of various origins, stated significant experience of its effective and safe use in many clinical studies in mild and moderate forms of dementia.

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Objective: The purpose of this study was to assess the annual socio-economic burden of stroke in the Russian Federation from the position of the state.

Material And Methods: Based on official statistics on morbidity and mortality due to stroke (2019), the results of a survey of patients or caregivers (680 respondents) and cost indicators of 2022, the social and economic burden of stroke during the 1st year after the acute period is modeled. All cost estimates are made from the position of the state.

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Objective: To quantify genome-wide DNA methylation in the olfactory bulbs, fronto-parietal and occipital regions, and cerebellum in normal male Wistar rats and in modeling incomplete cerebral ischemia caused by permanent bilateral occlusion of the common carotid arteries.

Material And Methods: The study was performed on 23 male Wistar rats divided into groups: «Sham operation» and «Cerebral ischemia». The level of genome-wide methylation of CCGG sites was determined by methyl-sensitive restriction using MspI/HpaII endonucleases followed by densitometric analysis of electrophoregrams by ImageJ software.

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This paper discusses the promising areas of research into machine learning applications for the prevention and correction of neurodegenerative and depressive disorders. These two groups of disorders are among the leading causes of decline in the quality of life in the world when estimated using disability-adjusted years. Despite decades of research, the development of new approaches for the assessment (especially pre-clinical) and correction of neurodegenerative diseases and depressive disorders remains among the priority areas of research in neurophysiology, psychology, genetics, and interdisciplinary medicine.

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Objective: To study the pathogenetic and clinical significance of factors of hypoxic brain damage and inflammatory mediators in the development of stroke, to improve the diagnosis using laboratory markers of brain damage and inflammation in patients with acute cerebrovascular accident.

Material And Methods: We examined 55 people with stroke of the ischemic type at the age of 74 (67; 80) years, the comparison group consisted of 25 volunteers at the age of 65.0 (62.

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The enrichment of angioneurology with fundamental advances leads to the understanding of new important facets in the pathogenesis of cerebral ischemia. The knowledge of epigenetic mechanisms in the development of stroke, in particular, DNA methylation, which makes a significant contribution to the development and formation of cerebral damage, is becoming more and more relevant. This review reflects an analysis of animal studies proving the relationship of DNA methylation with cerebral ischemia.

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Cerebrovascular diseases are one of the main causes of death and permanent disability. Effective and timely neuroprotective therapy can reduce the burden of cerebrovascular disease. The possibilities of neuroprotection as a method of prevention and medical rehabilitation of acute and chronic cerebrovascular diseases are addressed.

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Ischemic stroke (IS) is one of the main causes of death and permanent disability. Reducing the burden of stroke is possible if effective preventive measures are provided. The possibilities of correcting lipid metabolism as an important measure aimed at preventing IS are analyzed.

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The resolution of the Council of Experts devoted to the discussion of the effectiveness of the use of a combination of rivaroxaban 2.5 mg 2 times a day and acetylsalicylic acid 100 mg per day to prevent recurrent non-coronary ischemic stroke results of the COMPASS study is presented. The advantages of this combination and the safety of its use are considered.

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On June 25-26, 2021, a round table was held in Kazan with the participation of leading neurologists of Russia, where the issues of treatment of patients with cognitive impairment due to cerebrovascular diseases were discussed. Cognitive disorders of vascular genesis (VCD) are widespread in the population, are a common cause of a decrease in the quality of life and restriction of daily activity. The cause of VCD is both acute and chronic cerebrovascular diseases.

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Objective: To develop a method for early (24 hrs after intervention) prognosis of functional outcome at discharge in patients after endovascular thrombectomy (EVT) in anterior cerebral circulation based on NIHSS.

Material And Methods: A retrospective analysis of endovascular treatment in 362 acute stroke patients (189 men, 173 women, median age 69 years) with anterior circulation large vessel occlusion was performed in the regional vascular centers of St. Petersburg.

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Objective: To assess the efficacy and safety of prospecta in the treatment of moderate cognitive impairment in the early recovery period of ischemic stroke.

Material And Methods: The study included 275 patients (mean age 64.0±8.

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Introduction: To evaluate Low-Molecular-weight (LMW) DNA as a possible prognostic biomarker in acute ischemic and hemorrhagic stroke.

Methods: LMW DNA samples were isolated from plasma and cerebrospinal fluid by phenol deproteinization, analyzed by gradient polyacrylamide electrophoresis and quantified by spectrophotometry.

Results: Two common types of stroke, i.

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The new coronavirus SARS-CoV-2 and the disease it causes COVID-19 involves not only respiratory system damage, but can also lead to disorders of the central and peripheral nervous system, as well as the muscular system. This article presents published data and our own observations on the course of neurological disorders in COVID-19 patients. There is a relationship between the severity of COVID-19 and the severity and frequency of neurological manifestations.

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Novel coronavirus SARS-CoV-2 and COVID-19, besides affecting the respiratory system, may lead to central and peripheral nervous system disorders and also cause muscular symptoms. The authors review the literature and own clinical case with respect to nervous system involvement in COVID-19 patients. There is a correlation between the severity of COVID-19 and the severity and frequency of neurologic complications.

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We study, both theoretically and experimentally, tunable metasurfaces supporting sharp Fano-resonances inspired by optical bound states in the continuum. We explore the use of arsenic trisulfide (a photosensitive chalcogenide glass) having optical properties which can be finely tuned by light absorption at the post-fabrication stage. We select the resonant wavelength of the metasurface corresponding to the energy below the arsenic trisulfide bandgap, and experimentally control the resonance spectral position via exposure to the light of energies above the bandgap.

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Aim: To identify the optimal timing of CEA in patients with hemodynamic significant stenosis of carotid arteries in the acute period of ischemic stroke (IS).

Material And Methods: Five samples (n=30 911) based on the search results from January 2008 to April 2016 in Russian and English-language scientific databases were analyzed. The main endpoints of the studies in both groups (repeated stroke, death, cardiac complications, frequency of restenosis) were studied depending on the timing of operative intervention and preoperative selection criteria.

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