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Öğe The comparative effects of sevoflurane and propofol for electroconvulsive therapy(Lippincott Williams & Wilkins, 2004) Toprak, H. I.; Gedik, E.; Ozpolat, Z.; Ozturk, E.; Kaya, B.; Ersoy, M. O.[Abstract Not Available]Öğe The effect of esmolol on the QTc interval during induction of anaesthesia in patients with coronary artery disease(Wiley-Blackwell, 2009) Erdil, F.; Demirbilek, S.; Begec, Z.; Ozturk, E.; But, A.; Ozcan Ersoy, M.The aim of this study was to evaluate whether esmolol has an effect on QT interval during induction of anaesthesia using etomidate and fentanyl in patients with known coronary artery disease. Sixty patients were prospectively randomised to either a control group or the esmolol group. Esmolol was administered as a bolus 1 mg.kg(-1), followed by a continuous infusion at 250 mu g.kg(-1)min(-1). All patients received etomidate 0.3 mg.kg(-1) and fentanyl 15 mu g.kg(-1). The ECG was recorded prior to induction of anaesthesia (T0), 5 min following the start of drug infusions (T1), 1 min following etomidate (T2), 3 min following vecuronium (T3), 30 s (T4), 2 min (T5) and 4 min (T6) after intubation. In the esmolol group, QTc interval was significantly shorter at T1, T2 and T4 compared to the control group (p < 0.05). In conclusion, QTc interval increased following tracheal intubation during induction of anaesthesia using etomidate and fentanyl. An infusion of Esmolol attenuated the QTc interval prolongation associated with tracheal intubation.Öğe The effects of dexmedetomidine and fentanyl on emergence characteristics after adenoidectomy in children(Australian Soc Anaesthetists, 2009) Erdil, F.; Demirbilek, S.; Begec, Z.; Ozturk, E.; Ulger, M. H.; Ersoy, M. O.This randomised controlled study evaluated the effects of fentanyl and dexmedetomidine on emergence characteristics of children having adenoidectomy and anaesthetised with sevoflurane. Ninety children, two to seven years of age and ASA physical status I, were studied. Children were randomly assigned to one of three groups of 30 children, with the study intervention injection given intravenously after intubation. Children in Group F received fentanyl 2.5 mu g.kg(-1), children in Group D received dexmedetomidine 0.5 mu g.kg(-1) and children in Group C received saline solution. Anaesthesia was induced with 50% N(2)O and 8% sevoflurane in O(2) by mask and atracurium 0.6 mg.kg(-1) was administered for tracheal intubation. All children received paracetamol 40 mg/kg rectally one hour preoperatively and dexamethasone 0.5 mg.kg(-1) intravenously. The time to extubation was shorter in Group D than Group E The eye-opening time was longer in Group F (161 +/- 5.3 minutes) than in Groups C (12.0 +/- 4.2 minutes) and D (12.7 +/- 3.2 minutes). The proportion of pain-free children in early recovery was significantly higher in Groups D (47%) and F (43%) than Group C (13%) (P < 0.05). The proportion of children with agitation scores > 3 was lower in Groups D 17% (5/30) and F 13% (4/30) than in Group C 47% (14/30) (P < 0.05). Fentanyl 2.5 mu g.kg(-1) and dexmedetomidine 0.5 mu g.kg(-1) had similar haemodynamic effects and emergence characteristics. Fentanyl has been safely used in children for many years. Further studies of dexmedetomidine safety and its interaction with other anaesthetic agents are required before recommending its routine use during general anaesthesia in children.Öğe A new activator strontium for magnesium tetraborate: PL and TL studies(Pergamon-Elsevier Science Ltd, 2016) Evis, D.; Yucel, A.; Kizilkaya, N.; Depci, T.; Kafadar, V. E.; Ozturk, E.; Yildirim, R. G.Strontium was used for the first time as an activator agent for magnesium tetraborate (MBO) and photoluminescence (PL) and thermoluminescence (TL) properties were determined using a spectrophotometer and a TL reader, respectively. The results proved that 0.25 wt% Sr ratio played an important role in prolonging the afterglow and the phosphor gave the main TL peak with the highest intensity at 200 degrees C like an ideal case. Therefore, it is worthwhile to carry out continuous and systematic research on it (C) 2016 Elsevier Ltd. All rights reserved.Öğe RESULTS OF INTRAVITREAL DEXAMETHASONE IMPLANT (OZURDEX®) IN CASES WITH RESISTANT DIABETIC MACULAR OEDEMA AND HARD EXUDATES IN THE MACULAR CENTER(Wichtig Publishing, 2016) Dikci, S.; Yilmaz, T.; Yesiloz, O.; Ozturk, E.; Genc, O.[Abstract Not Available]
