After taking the patient to the operation room, vital signs monitor Philips and Bispectral Index (BIS) monitoring were attached (pulse, heart rate, electrocardiography (ECG), arterial pressure (AP), oxygen saturation). Peripheral intravenous cannula was inserted for intravenous fluids and infusion pump (separate line). Patients did not receive premedication. Before induction they receive dexketoprofen 50mg IV and omeprazole 40mg.