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    Analysis of Risk Factors in Patients Who Have Undergone Coronary Artery Bypass Grafting Surgery and Valve Replacement Surgery
    (Trakya Üniversitesi, 2019) Atay, Fatih Erkan; Söyleyici, Begüm; Elibol, Alperen; Hünkar, Pelinsu Elif; Tan, Berfin; Yüksel, Volkan
    Aims: The aim of the study is to investigate differences in usual cardiovascular risk factors’ and comorbidities between the patients who had undergone coronary artery bypass grafting surgery and valve replacement surgery at Cardiovascular SurgeryDepartment of Trakya University School of Medicine. Methods: In this study, patients who had coronary artery bypass graftingsurgery and valve replacement surgery at Cardiovascular Surgery Department of Trakya University School of Medicine between01.01.2018 and 31.12.2018 were analyzed retrospectively. All data regarding the type of cardiovascular operation, habits of smoking, alcohol consumption, family history, chronic diseases and laboratory findings were analyzed using R version 3.5.0. Results:The total number of patients in the study was 130. There were 106 patients who had coronary bypass grafting surgery, 90 (95.4%)of them were male and 16 (4.6%) of them were female. The number of the patients who had valve replacement surgery was 24where 15 (62.5%) of them were female and 9 (37.5%) were male. Differences in patients’ high-density lipoprotein levels, fastingblood glucose levels along with gender, habits of smoking, diabetes mellitus status and alcohol consumption between coronaryartery bypass grafting surgery and valve replacement surgery groups were found statistically significant. Conclusion: Risk factors for cardiovascular disease are very dynamic and multifactorial. In our analysis, there was a significant difference betweenrisk factors for coronary artery bypass and valve replacement surgeries including high-density lipoprotein levels, fasting bloodglucose levels, diabetes mellitus, gender and smoking status. The variability may alter according to the living standards, culture,educational status among patients. Keywords: Coronary disease, coronary artery, surgery, risk factors
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    Effects of Acute Physical Exercise and Acute Mental Exercise on Simple Visual Reaction Time
    (Trakya Üniversitesi, 2019) Kef, Berkay; Elibol, Alperen; Şenyiğit, Ece; İpsalalı, Hasan Orkun; Gölbaşı, Umutcan; Atay, Fatih Erkan; Mutlu, Arda Ulaş
    Aims: The aim of this study is to investigate the effects of acute physical exercise and acute mental exercise on visual reactiontime in healthy medical students. Methods: We used a simple reaction time task software developed by the researchers to measure the visual reaction times of the subjects. Reaction times of subjects as well as pulse rates were measured on three different occasions: basal (resting), post acute mental exercise and post acute physical exercise. The acute physical exercise was constructedto last for 5 minutes in a way that would double the basal pulse rate of the participant. The acute mental exercise was induced byfive minutes of ADD-3 arithmetics. All volunteered physically healthy medical students from four different medical schools inTurkey without red-green color deficiencies were included in the study. Results: A total of 232 (136 male, 96 female) individualswith a mean age of 20.79 ± 1.42 were included in the study. Differences between basal reaction time and post-physical exercisereaction time; the basal reaction time and post-mental exercise reaction time were found to be statistically significant. Basalreaction time of participants was found to be the key element deriving both post-mental and physical exercise reaction times.Also, one unit increase in the number of ADD-3 problems solved was associated with 0.21 units decrease in post-mental exercisereaction time. Conclusion: Both acute mental exercise and acute physical exercise can shorten visual reaction time. Our resultsalso indicate that there might be a relationship between arithmetic capability (ADD-3 arithmetics performance) and visual reaction time. Keywords: Exercise, pulse, reaction time, software