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Öğe Comment on: acute and chronic fluctuations in blood glucose levels can increase oxidative stress in type 2 diabetes mellitus(Springer-Verlag Italia Srl, 2013) Ulas, Turgay; Dal, Mehmet Sinan; Tursun, Irfan; Demir, Mehmet Emin; Buyukhatipoglu, Hakan[Abstract Not Available]Öğe Comment on: Infusion of lin-/sca-1+ and endothelial progenitor cells improves proinflammatory and oxidative stress markers in atherosclerotic mice(Elsevier Ireland Ltd, 2013) Ulas, Turgay; Tursun, Irfan; Demir, Mehmet Emin; Dal, Mehmet Sinan; Buyukhatipoglu, Hakan[Abstract Not Available]Öğe Comment on: Oxidative stress in erythrocytes from patients with rheumatoid arthritis(Springer Heidelberg, 2014) Ulas, Turgay; Dal, Mehmet Sinan; Demir, Mehmet Emin; Buyukhatipoglu, Hakan[Abstract Not Available]Öğe Comment on: oxidative stress in systemic lupus erythematosus and rheumatoid arthritis patients: relationship to disease manifestations and activity(Wiley-Blackwell, 2013) Ulas, Turgay; Tursun, Irfan; Dal, Mehmet Sinan; Buyukhatipoglu, Hakan[Abstract Not Available]Öğe Comment on: Study of Oxidative Stress in Vitiligo(Springer India, 2012) Ulas, Turgay; Dal, Mehmet Sinan; Demir, Mehmet Emin; Buyukhatipoglu, Hakan[Abstract Not Available]Öğe Evaluation of oxidative stress parameters and metabolic activities of nurses working day and night shifts(Univ Sao Paolo, 2013) Ulas, Turgay; Buyukhatipoglu, Hakan; Kirhan, Idris; Dal, Mehmet Sinan; Ulas, Sevilay; Demir, Mehmet Emin; Eren, Mehmet AliThe aim of this study was to evaluate the oxidative stress and metabolic activities of nurses working day and night shifts. Intensive care unit (ICU) (n=70) and ordinary service (OS) nurses (n=70) were enrolled in the study. Just before and the end of the shifts, blood samples were obtained to measure the participants' oxidative stress parameters. Metabolic activities were analyzed using the SenseWear Armband. Oxidative stress parameters were increased at the end of the shifts for all OS and ICU nurses compared to the beginning of the shifts. Compared to the OS nurses, the ICU nurses' TAS, TOS, and OSI levels were not significantly different at the end of the day and night shifts. The metabolic activities of the OS and ICU nurses were found to be similar. As a result, the OS and ICU nurses' oxidative stress parameters and metabolic activities were not different, and all of the nurses experienced similar effects from both the day and night shifts.Öğe Evaluation of sleeping energy expenditure using the SenseWear Armband in patients with overt and subclinical hypothyroidism(Canadian Soc Clinical Investigation, 2012) Ulas, Turgay; Buyukhatipoglu, Hakan; Eren, Mehmet A.; Dal, Mehmet S.; Torun, Aysenur; Aydogan, Timucin; Demir, Mehmet E.Purpose: The aim of the present study was to evaluate the average sleeping energy expenditure (EE) levels using the SenseWear Armband (SWA) in patients with overt and subclinical hypothyroidism. Methods: Sixty patients with hypothyroidism and 30 healthy individuals were recruited for the study. Hypothyroid patients were divided into two groups: group 1 (n = 30) consisted of patients with overt hypothyroidism and group 2 (n = 30) consisted of patients with subclinical hypothyroidism. Lastly, group 3 (n = 30) consisted of healthy subjects. The average EE and metabolic equivalent of task (MET) values during sleep of all the hypothyroid participants were analyzed at baseline and at the end of the study. Data were also obtained from the healthy subjects at baseline. Results: The average sleeping EE and METs values were not significantly different at baseline. Similarly, these values did not change significantly after achieving a euthyroid state via thyroid hormone replacement (both p > 0.05). Conclusions: Contrary to what has been previously reported, the average sleeping EE and METs values in all hypothyroid patients and healthy individuals were similar at baseline and did not change in the patients with overt and subclinical hypothyroidism after achievement of a euthyroid state.Öğe In which HOMA-IR value acceptable for sampling the patients with insulin resistance?(Elsevier Ireland Ltd, 2013) Ulas, Turgay; Tursun, Irfan; Dal, Mehmet Sinan; Demir, Mehmet Emin; Buyukhatipoglu, Hakan[Abstract Not Available]Öğe Rapid improvement of Henoch-Schonlein purpura associated with the treatment of Helicobacter pylori infection(Isfahan Univ Med Sciences, 2012) Ulas, Turgay; Tursun, Irfan; Dal, Mehmet Sinan; Eren, Mehmet Ali; Buyukhatipoglu, HakanHelicobacter pylori (H. pylori) are one of the most common bacterial infections, seen in humans, worldwide and their possible relationships to different diseases are a focus of attention nowadays. H. pylori may cause some extra intestinal manifestations some of which are dermatological conditions, including Henoch-Schonlein purpura (HSP), chronic urticaria and atopic dermatitis. We describe a 49-year-old man who presented with HSP triggered by gastric H. pylori infection. Treatment of H. Pylori infection was accompanied by prompt resolution of the gastrointestinal manifestations and purpuric rashes. These findings suggest a causative role for H. pylori in the occurrence of HSP.Öğe Urotensin-II and endothelin-I levels after contrast media administration in patients undergoing percutaneous coronary interventions(Isfahan Univ Med Sciences, 2013) Ulas, Turgay; Buyukhatipoglu, Hakan; Dal, Mehmet S.; Kirhan, Idris; Kaya, Zekeriya; Demir, Mehmet E.; Tursun, IrfanBackground: Contrast induced kidney injury is an acute renal dysfunction that is secondary to the administration of radio contrast media. The purpose of this study was to evaluate the levels of urotensin-II (UT-II) and endothelin-I (ET-I) after contrast media administration in patients undergoing percutaneous coronary interventions. Materials and Methods: In this prospective cohort study, we evaluated 78 patients with coronary artery disease who were scheduled for and ultimately underwent percutaneous coronary interventions. As a contrast material, nonionic contrast media was used in various amounts (70-480 mL). Blood and urine samples were obtained to measure U-II, ET-I just before and at the twenty-fourth hour of percutaneous coronary interventions. Results: Compared to baseline, twenty-fourth hour creatinine levels were significantly increased (P < 0.001). The twenty-fourth hour serum and urine levels of both UT-II and ET-I were also significantly increased compared to baseline (P < 0.001 for all) and 24th hour serum and urine UT-II (r = 0.322, P = 0.004; r = 0.302, P = 0.007 respectively), ET-I (r = 0.511, P < 0.001; r = 0.266, P = 0.019 respectively) levels were significantly correlated with the amount of contrast media. Conclusion: Our study indicates that; increased UT-II and ET-I levels seem to be a consequence of hazardous effects of contrast media on blood vessels and the kidney.
