This study examined the self-assessment of Niigata’s and Khabarovsk’s adolescents’ health status and their willingness to be vaccinated during the COVID-19 pandemic. A self-reported questionnaire was administered to 735 boys and girls (aged 15 years) from Niigata, Japan (n = 387), and Khabarovsk, Russia (n = 394), between May and July 2021. Specifically, this questionnaire focused on COVID-19, including a self-assessment of health status, adaptation to a new lifestyle, and impressions about the COVID-19 vaccination. The self-assessment was based on a 4-point scale: “Got very bad”; “Got a little bit bad”; “Did not change”; “Got better/I don’t know”. Additionally, binomial logistic regression was conducted to determine the association between the self-assessment of health status and the factors exacerbating their responses. Based on the findings, 25.7 and 29.9% of Niigata and Khabarovsk’s adolescents, respectively, selected “Got very bad” and “Got a little bit bad” for their self-assessments, while the binomial logistic regression showed that the difficulty of adapting to a new lifestyle was a factor worsening the boys’ subjective health. However, the items could not explain the deterioration of their subjective health in girls. Moreover, 76.9% of Niigata’s adolescents were positive about the COVID-19 vaccination, compared to 35.5% of the adolescents in Khabarovsk.
Relevance. In this article, the authors draw the attention of readers to the modern possibilities of using the biomicroscopy of the bulbar conjunctiva (BMBC) method in the diagnosis of microcirculatory (MC) disorders in systemic sclerosis (SS). Comparison of BMBC results of patients with SS with a control group allowed us to identify microcirculatory signs of this disease, and comparison the changes detected during nail capillaroscopy (NC) showed additional diagnostic capabilities of the BMBC method. The aim of the study was to identify new MC signs in SS using the BMBC-method, which can be further used to assess the dynamics and search for patterns with the clinical picture. Materials and methods. 48 patients with SS, the average age was 51±1.7 years were examined by BMBC, the ratio of women to men was 46:2, respectively. The control group consisted of healthy individuals without any diseases that could affect to the microcirculatory bed (MCB); the average age was 47.4±2.3 years, and the ratio of women to men was 20:10. The results showed statistically significant changes in angioarchitectonics among patients with SS compared with the control. A significant decrease in the average diameter of arterioles (14.1±0.7 μm) and capillaries (6.6±0.2 μm) was observed in the group of patients with SS compared with the control (16.6±0.6 μm, p=0.0165 and 7.3±0.2 μm, p=0.0356, respectively, for arterioles and capillaries). The decrease in capillaries during SS in four regions of the temporal section of the bulbar conjunctiva was incremental and amounted to: 15.3% in the area of the angle of the eye, 23.3% in the transitional region, 28.1% in the central and 37.9% in the perilimbal in comparison with the control. Conclusions. The BMBC-method is highly informative in the diagnosis of MC-disorders in SS. The main BMBC changes in the MC disorders caused by SS are the disturbance of MCB by the increasing tortuosity of microvessels, the contour discontinuity and the presence of local wall extensions. A peculiarity is the reduction of the capillary bed in all four regions of the temporal section of the bulbar conjunctiva with a maximum in the perilymb area.
Niigata City in Japan and Khabarovsk City in Russia signed a sister city agreement in 1965 and have been interacting with each other for a long time. We have been conducting comparative research on the elderly between the two cities, but there is no research on the young. Distorted perception of body weight and unnecessary dieting behavior in adolescent girls is considered a problem in both Japan and Russia. Therefore, the purpose of this study was to clarify the distortion of weight perception and diet behavior of adolescent girls in both the countries. In addition, it was decided to investigate the eating habits of people in both the countries. In total, 195 15-year-old girls from Niigata, Japan (October 2020) and 286 girls from Khabarovsk, Russia (February 2017) were surveyed. The questionnaire used was an excerpt from the World Health Organization survey on the health behavior of school-age children. The proportion of Japanese adolescent girls who perceived themselves as overweight (distorted body weight perception) was 60.5%, which was significantly higher than that of Russian adolescent girls at 30.1% (p < 0.001). In addition, the prevalence of weight loss behavior in Japan was 34.9% (n = 68), which was significantly higher than that in Russia with 27.3% (n = 78) (p < 0.001). Adolescent girls in Japan had more serious problems with weight perception, but had fewer problems with breakfast and vegetable intake habits than those in Russia. From a young age, perception of correct body shape and establishment of eating habits are important not only for current health but also for future health.
Microthrombogenesis in the microcirculation system underlies many types of obstetric pathology. Objective. To substantiate the diagnostic significance of changes in the main parameters of microcirculation in the development of gestational complications associated with the manifestation of thrombophilia. Subects and methods. The method of biomicroscopy of the vessels of the bulbar conjunctiva and the study of the main parameters of the hemostatic system in 68 pregnant women with the established diagnosis of placental insufficiency from 24 patients with placental insufficiency development in connection with thrombophilia and 87 pregnant women with high thrombogenic risk with an unfavorable pregnancy outcome in history. Results. Characteristic changes in the microcirculation have been established both at the clinical stage of placental insufficiency caused by thrombophilia and before clinical manifestations of placental insufficiency: disturbances of venous outflow; the aggregate state of the blood elements. Conclusions. The method of biomicroscopy of vessels of bulbar conjunctiva can be used as a screening one to diagnose signs of placental insufficiency associated with the development of thrombophilia for the subsequent appointment of anticoagulant therapy.
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