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    Effect of high sound wave on ovarian tissue: an experimental study
    (Diagnosis Press, 2021) Kanbur, Savas; Sagir, Dilek
    After air pollution, the most important environmental factor threatening human health is noise. Physiologic damage or psychological damage can occur because of noise. Increased oxidative stress, vascular changes and mechanical trauma may be responsible for the physiologic damage mechanism of noise. This study aimed to reveal the effect of noise on follicles in ovaries. In the study, a total of 30 female Wistar albino rats (12 weeks old) were randomly divided into three groups (n = 10): the control group, no treatment; the sham group, exposed to stress conditions (but not to any high waves) in a special room at the same time as the high sound wave group; and the high sound wave (HSW) group, exposed to HSW in a special room for 28 days. At the end of the 28th day, the rats were sacrificed and ovarian tissues were harvested. Stereologic and biochemical analyses were performed. All stereologic volumetric parameters and Gonadal Somatic Index (GSI) values, lipid peroxidation (LPO) and glutathione (GSH) levels in all groups were evaluated statistically, and significant differences were found between the control and HSW, sham and HSW groups, respectively. However, no statistical difference was found between the control and sham groups. A decrease in catalase (CAT) and superoxide dismutase (SOD) activities were found in the HSW group compared with the control and sham groups, suggesting that noise can cause oxidative stress and damage to the ovaries.
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    Investigation of the effect of cardiorespiratory fitness on cardiometabolic risk factors and testosterone levels in firefighters
    (Routledge Journals, Taylor & Francis Ltd, 2025) Demiralp, Nuray; Koc, Hurmuz; Baydil, Bilgehan; Gurses, Veli Volkan; Kanbur, Savas
    Objective: This study aims to investigate the impact of cardiorespiratory fitness on cardiometabolic risk factors and testosterone levels among firefighters. Method: A cross-sectional descriptive study was conducted with seventy-four firefighters working in a metropolitan municipality. Anthropometric measurements, cardiometabolic risk parameters (high density lipoprotein, low density lipoprotein, triglycerides, total cholesterol), total testosterone (TT) levels were clinically evaluated for each participant. Results: The proportion of firefighters with low TT was 20.3%, and a statistically significant negative relationship was found between TT and weight, BMI, body fat percentage, waist circumference, hip circumference, and HbA1c as cardiometabolic risk factors (p < 0.05). Additionally, statistically significant positive relationship was observed between metabolic equivalent scores and testosterone levels among the firefighters (p < 0.05). Conclusion: The key findings of this study reveal significant differences in various cardiometabolic risk factors between firefighters with high fitness levels and those with lower fitness levels. LEARNING OUTCOMES center dot The findings suggest that improving cardiorespiratory fitness can have a protective effect on cardiovascular health, while also positively influencing testosterone levels, thereby enhancing metabolic health. center dot These insights emphasize the importance of monitoring cardiometabolic risks and hormone levels during routine health screenings of firefighters, allowing for early interventions in the preclinical stage. center dot These results play a critical role in the development of strategic health monitoring programs aimed at ensuring the occupational safety and long-term well-being of firefighters. CLINICAL SIGNIFICANCE center dot These insights emphasize the importance of monitoring cardiometabolic risks and hormone levels during routine health screenings of firefighters, allowing for early interventions in the preclinical stage. center dot These results play a critical role in the development of strategic health monitoring programs aimed at ensuring the occupational safety and long-term well-being of firefighters.
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    INVESTIGATION OF THE EFFECT OF NOISY ENVIRONMENT ON EMPLOYEES' VISUAL ATTENTION
    (Parlar Scientific Publications (P S P), 2020) Kanbur, Savas; Cinar, Ulas
    Occupational health and safety mainly aims to provide a safe working environment free from risk factors. Personal errors come first among the factors affecting occupational accidents and occupational diseases. The deficiency in visual attention is a significant factor that can contribute to erroneous circumstances and actions that may have major consequences. Environmental risk factors influence several parameters directly or depending on the exposure period and severity. Noise is a risk factor that has proven adverse effects on the physiological and psychological characteristics of individuals and has a risk of exposure in almost every area. In this study, the aim was to specify the effect of noisy work environment on the visual and sustainable attention level of the employees. A workgroup was created from occupational safety professionals, where the attention factor occupies a very important place due to the nature of their work. To assess the level of visual focus for the working group, a test explicitly designed for this study was applied at various noise levels and for different times at the maximum appropriate sound intensity. Statistically analyzed data were obtained. Accordingly, the detrimental effect of noise level at 70 dB and above on visual attention was calculated. In addition, as the exposure time increases, the significance of this effect has increased and this situation has been interpreted as the negative effect of noise exposure in the name of sustainable visual attention.