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The article analyzes age dynamics of initial causes of death according to records in medical death certificates of population of older age groups. Materials and methods. The records of causes of death of 34.914 persons aged 60 years and older were used as primary source of information. The initial cause of death was determined according to the ICD-10 rules. The rate of registration by reason of death was calculated as intensive value per 100 deaths in concrete age and sex group. Each cause was coded according to the ICD-10 rules (revision 2014-2016). The belonging to group was determined by first character (letter) in four-digit code that corresponded to the Class. On the basis of analysis of structure of causes of death, the group A of causes that included five Classes of ICD-10, determined 81.4% of all deaths in population aged 60 years and older. Two Classes: "Diseases of the circulatory system" (Class IX) and "Neoplasms" (Class II) determine in all studied age groups more than a half of all deaths (from 55% to 71% of males and from 59% to 67% in females) and namely they determine mortality rate in older age groups. There are no gender differences in age characteristics of registration rate in these groups (p > 0.05), however age dynamics differ. In case of diseases of circulatory system initial cause of death is increase rate of registration at increasing of age. In case of neoplasms at increasing of age decrease of registration rate as initial cause of death is established. At that, rate of decline is higher than rate of increase that determines certain decrease of structural significance of combined contribution of these two groups of causes at increasing of age. The Group B of causes, including three Classes of ICD-10 "Respiratory diseases" (Class X), "Diseases of the digestive system" (Class XI) and "Diseases of the nervous system" (Class VI), determined in overall 11.9% of all deaths in population aged 60 years and older. The age dynamics of causes of death of population of older age groups exists for certain groups of causes and it should be considered in organizing medical care of population of older age groups.

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The article analyzes publications considering motivation of plasma donors by factors related to ethical and socio-economic aspects. Their detailed analysis and systematical consideration in the work contributes into more effective informing of new potential donors, improving recruitment and retention of donors. The detailed analysis established among causes of negative beliefs and negative experiences regarding donorship such factors as increased risk of infectious diseases, decreased vitality, vaso-vagal reactions and reduced iron content. It is demonstrated that experienced plasma donors try to maintain practice of donorship in conditions of intensive life activity, often applying flexible approach to frequency of plasma donation. Their knowledge about contribution that their donation makes is key factor in continuing donation. However, the COVID-19 pandemic developed additional obstacles to donorship due to state preventive measures and increased personal health risks. In order to develop donorship policy during pandemic in the future, it is important to study changes in motivation of donors during pandemic.

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The article presents the special role of the outpatient unit (urban polyclinics) in the system of urban medical organizations, which has significant development potential in the field of clinical research. This activity became possible due to the systematic work on equipping outpatient clinics with the most modern diagnostic equipment, the availability of specialists trained in the organization and conduct of clinical trials according to the international rules of good clinical practice. A special value lies in the fact that the polyclinic network has an extensive database that includes millions of patients and provides the opportunity to perform the highest level of medical expertise and research.

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The relevance of the problems of diagnosis and treatment of skin cancer is currently determined not only by the high incidence rate, but by the existing difficulties in differential diagnosis and treatment with traditional methods. For localizations of basal cell skin cancer (BCSC) that are "inconvenient" for treatment, such as the external auditory canal, auricle, and wing of the nose, treatment is associated with certain difficulties and the possible appearance of a cosmetic defect, therefore, when choosing a treatment method, the anatomical features of these organs are taken into account. It has been determined that the effectiveness of treatment for primary BCSC of the nose and auricles is higher than recurrent one, and among the various treatment methods, the most effective and radical is the surgical method. The immediate results of treatment of BCSC in the form of PR by surgical method were 86.7%, which is statistically significant compared with other types of treatment (p < 0.05). Long-term treatment results with the surgical method are also higher (77%) compared to other methods, which is also statistically significant (p < 0.05).

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Chronic non-communicable diseases (CNCDs) are the main most common causes of death both in the Russian Federation and in the Republic of Tatarstan. Thus, in the traditional structure of mortality in the Republic of Tatarstan in 2022, a "classical triad" is defined: diseases of the circulatory system are in first place (46% of all deaths), neoplasms are in second place (15%), and external causes are in third place. (7.3%). As throughout the world, during the coronavirus infection there was an increase in population mortality from all causes, mainly from diseases of the circulatory system (hereinafter referred to as CVD), as well as directly from coronavirus infection, which is the cause of almost every fifth death in the Republic of Tatarstan in 2021. The peak of coronavirus infection reduced the average age of death from cardiovascular causes by 4.5 years in men and by 4 years in women. It was revealed that in the Republic of Tatarstan the probability of death from diseases of the circulatory system and endocrine system in women is higher than in men; In men, on the contrary, there is a higher probability of death from respiratory diseases, cancer and external causes.

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The issues of acceptance and support of a healthy lifestyle by various social and age groups of the population, especially among the younger generation and youth, through the pursuit of physical, mental and social well-being remain relevant. Educational organizations, including universities, are important actors in this direction, since their students will soon become leaders in society, decision makers, as well as parents of tomorrow. According to scientists, a weak attitude towards sports, lack of time for physical education lead to a vicious circle of focusing on intellectual education, high knowledge scores, low physical abilities and physical fitness. It is emphasized that universities should have organizational systems for managing educational materials, teaching staff, as well as technologies to improve learning processes through a technology platform. Universities are strategic places to launch a wellness campaign and «have conversations¼ about healthy lifestyles and sustainable development.

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As an analysis of foreign literature on donation has shown, the global market for therapy with drugs from human plasma is growing, which leads to the need for large volumes. With significant geographic imbalances in the global plasma supply and the dependence of most countries on plasma supplies from the United States, the most vulnerable are low- and middle-income countries, where the challenge of meeting the demand for plasma products requires improvements to regional plasma donation systems. An effective tool for the development of plasma collection services is compliance with the standards of plasma donation services, the development of voluntary free plasma donation, and the optimization of donor recruitment and retention processes.

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The article presents information reflecting current consideration of strategy of food production from position of of economic sustainability, ensuring population health through compliance of principles of food safety, accessibility and quality improvement. The organic food industry with systems of production, processing, distribution and retailing develops since the 1940s and has huge impact on strategies of food consumption by population, especially in high-income countries. The priorities, goals and objectives of development of organic production in the Russian Federation are targeted to ensure favorable state of environment and preservation of human health.

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The study was carried out using survey technique applied to sampling of workers of the first three polyclinics of Moscow. The method was based on international questionnaire Maslach Burnout Inventory (MBI) that permitted to consider characteristics of activity of medical professionals. The analysis of results of study demonstrated that overall prevalence of burnout among doctors is 17%,among nursing personnel - 21%, among non-medical personnel - 19%. The average age of workers with professional burnout is 34-49 years. Among workers with burnout more than half of them had higher education and 30% had specialized secondary education. The workers consider as main factors of professional burnout necessity to spend most of working time at the computer (up to 92%), unrealistic expectations of patients from received medical care (up to 88%), deficiency of time for reception of patients and personal life. The majority of employees had an average (35%) and low (43%) level of reduction in personal achievements that testifies well-being of work environment. The conclusion is made that in polyclinic section of Moscow health care there are no serious conflicts in collectives and existing conflicts are within limits of working relationships.

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The digital transformation of healthcare is an integral part of the priorities in modern healthcare. A striking example of the practical implementation of compliance with the basic principles of digital healthcare is the Healthy Moscow project, which has been implemented since 2021, which has become a real breakthrough in Russia in ensuring accessibility and convenience in providing medical care to the population. The aim of the project is the early prevention of chronic non-communicable diseases, the formation of a healthy lifestyle and the improvement of the well-being of Moscow residents, as well as the development of a conscious attitude to taking care of their health. Pavilions in the park areas of Moscow are an integral part of the modern medical infrastructure, providing convenient conditions for obtaining medical advice and information. The article provides information on the types of digital technologies and basic equipment that the pavilions (large and small) are equipped with as part of the Healthy Moscow project, it is shown that the introduction of digital healthcare technologies is one of the key tasks of the national strategy of Russia, which contributes significantly contribution to the successful implementation of the Healthy Moscow project.

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The children hypertension is a serious threat to population health because uncontrolled children hypertension can result in exponential increasing of cardiovascular and cerebrovascular diseases, progression of kidney failure and premature death in adulthood. The main risk factors for primary children and adolescent hypertension are considered as cardiovascular biomarkers (fibro-blast growth), obesity, especially central obesity, overweight, low birth weight, high sodium intake, sedentary lifestyle, lack of physical activity, socioeconomic and ethnic factors, as well as family anamnesis. The special place in studying children hypertension is occupied by problem of neonatal hypertension. The most common causes of neonatal hypertension are umbilical catheter-related thrombosis, renal parenchymal disease and chronic lung disease (bronchopulmonary dysplasia), as well as low birth weight, post-menstrual age and some other maternal factors, as well as medications (inotropic medicines, caffeine) and regulation of fluid intake.

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The exploration of molecular genetic mechanisms that underlie carcinogenesis, hereditary factors of various oncological diseases, including basal cell carcinoma, the most common type of skin cancer is especially actual and significant for target strategies of public health. The diagnosis of basal cell carcinoma is based on complex clinical, radiologic and genetic examination data. The further research in the field of somatic or hereditary mutations in genes associated with basal cell carcinoma, including Patched 1 (PTCH1), Patched 2 (PTCH2), Smoothed (SMO) continue to be topical. The strategies of primary prevention of basal cell carcinoma, discussions of complex issues of decision-making concerning treatment at primary health care level, training courses and development of guidelines for general practitioners and interdisciplinary recommendations for effective early diagnosis and comprehensive care of basal cell carcinoma are to be suggested.

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Adolescent girls aged 15-18 are in an active process of growth and development, as evidenced by the dynamics of changes in height and weight indicators. Low values of average growth indicators were determined among girls in Batken, on average 2 cm less than the average indicators of girls in Bishkek, however, the statistical analysis performed did not confirm the reliability of these differences. In 84.3% of the surveyed adolescent girls living in Naryn, iron deficiency anemia was detected. Kidney and urinary tract diseases (31.4%) took the first place in the structure of diseases among girls in Batken. Diffuse enlargement of the thyroid gland was found in 13% of women living in highlands. Inflammatory diseases of the genitourinary system are two or more times more common among girls in the middle and high mountains than in Bishkek: vulvitis in 8.7-11.4% of cases against 4.1% of cases, urogenital diseases in 6.5-17.4 versus 3.9 respectively. This indicates the need to introduce specific preventive programs for girls living in the middle and high mountains.

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In modern conditions of global threats caused by infectious risks, the importance of programs and preventive examinations of the working-age population is increasing, which make it possible to identify groups of people at increased risk in the formation of health disorders, and to obtain objective data on the dynamics of morbidity and mortality of the population, to conduct long-term monitoring. The uniqueness of this project lies in the fact that it is based on a patient-centered approach that involves the individualization of the patient's diagnosis, professional counseling about risk factors and a healthy lifestyle, accompanying the patient until the completion of the examination, diagnosis and treatment. The organization of preventive examinations of the population within the framework of the Healthy Moscow program was the result of coordinated work and the realization of the professional potential of various services in the healthcare system, education, science and public administration. The successful experience of implementing the Healthy Moscow program can be scaled up to other cities and regions of Russia, which will contribute to the development of the country's healthcare system and improve the quality of life.

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The article describes a development related to the field of public health and molecular biology, in particular, medical diagnostics. We present the Isascreen-8 portable analyzer (Registration Certificate No. RZN 2022/17322, May 24, 2022) and its application for rapid diagnostics of a new coronavirus infection with the use of commercially available sets IsoAmp SARS-CoV-2 (Lytech Co. Ltd., Russia), and also our own development TB-IZATEST (Invention Application No. 2022133809, December 22, 2022) for diagnostics of tuberculosis pathogen. The approach proposed in this article can be used for rapid detection of genetic material (DNA/RNA) of Mycobacterium tuberculosis and SARS-CoV-2 in biological samples using the method of loop isothermal amplification in less than 20 minutes, and also as a universal platform for detection of genetic material of other pathogens in a biological sample. Using the proposed approach, various research tasks for epidemiological monitoring of tuberculosis and new coronavirus infection, qualitative and quantitative analysis of bacterial and viral load in samples, including evaluation of the effectiveness of the prescribed antibiotic therapy regimen, can be solved. The advantage is that this method can be used not only in diagnostic laboratories, but also in field laboratories in the most remote regions of Russia if the mandatory sanitary and epidemiological requirements are observed. With sufficient distribution, the proposed approach could help ensure epidemiological control of the prevalence of these socially significant infections.

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Anthropometric studies conducted in 1884, 1928, 1946, 1965 and 1999 to study the characteristics of growth and weight indicators of children living in the territory of modern Chuvashia, partly reflected the influence of the living conditions of children in certain historical periods of the country's development: revolutions, civil and domestic wars, post-war stabilization, «perestroika¼. Over the last 22-year period, from 1999 to 2021, there has been the largest increase in the growth rate of indicators of the physical development of children and adolescents, which is considered as a positive trend, a manifestation of ongoing acceleration processes. It was revealed that in modern children, physiological growth jumps in comparison with their peers in 1884, 1930, and 1999 occur earlier - in the prepubertal period.

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PURPOSE OF THE STUDY: to analyze the differences in the normative (reference) values of the body length indicators of children and adolescents living in four ecological and geographical zones of the Republic of Sakha (Yakutia). MATERIALS AND METHODS: Statistical data processing was carried out on 24,123 schoolchildren who do not have chronic diseases belonging to health groups I and II. Statistical, analytical, mathematical and sociological methods were used. RESULTS: Among boys, the highest level of statistically significant differences in body length was observed in the age groups of 12, 13 and 15-17 years, among girls - in the age groups of 13, 14 and 16 years. Higher reference values of body length indicators for boys and girls living in the industrial regions of the Republic of Sakha (Yakutia), lower - for those living in the Arctic zone of the Far North and rural areas of the Republic of Sakha (Yakutia), where the population is represented mainly by the indigenous peoples of the Far North.

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PURPOSE OF THE STUDY: to analyze the differences in the normative (reference) values of the body weight indicators of children and adolescents living in four ecological and geographical zones of the Republic of Sakha (Yakutia). MATERIALS AND METHODS: Statistical data processing was carried out on 24,123 schoolchildren who do not have chronic diseases belonging to health groups I and II. Statistical, analytical, mathematical and sociological methods were used. RESULTS: The analysis showed that the greatest differences in this indicator were recorded in groups of children of primary school age, both among boys and girls. The highest values of reference indicators for body weight were determined in the younger age groups of boys and girls living in Yakutsk, and in older age groups - in those living in the industrial regions of the Republic of Sakha (Yakutia). The lowest values of these indicators were determined in children in rural areas of the region.

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The combined effect of close contact between child patients and otorhinolaryngologists, as well as the practice of aerosol-generating procedures, justify the need to take prompt organizational measures to reduce risks in the provision of pediatric otorhinolaryngological care in conditions of increased biological risks. In the pediatric ENT community, these adaptations have resulted in: judicious distribution of care to treat the most severe conditions, minimizing the risk of long-term consequences, ensuring the safety of child patients and healthcare workers through better communication methods, changing procedural precautions, the rapid introduction of telemedicine for diagnosis and treatment of patients, as well as the development of protective protocols to limit exposure to aerosol-generating procedures or manipulations to reduce the risk of exposure to a high viral load.

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The COVID-19 pandemic has spurred the introduction of new devices and technologies into the organization of otorhinolaryngological care, the development of safety measures and clinical work protocols in order to increase the safety of doctors and patients. Virtual outpatient clinics have been integrated into the pediatric and basic outpatient services, the potential of which for pediatric otolaryngology is considered quite significant. In otorhinolaryngological practice, the transition to the expanded use of telemedicine technologies (individual gadgets for examining ENT patients, including a direct access otoscope connected to an otolaryngologist's computer) was especially significant. The practice of pediatric ENT services tends to combine virtual and face-to-face visits, even after the acute phase of the COVID-19 pandemic. When organizing otorhinolaryngological care, it is necessary to pay special attention to dialogic consensus - an inclusive and reflective dialogue between a doctor and a patient.

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