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    Analgesic effects of rofecoxib in ear-nose-throat surgery
    (Lippincott Williams & Wilkins, 2002) Turan, A; Emet, S; Karamanlioglu, B; Memis, D; Turan, N; Pamukcu, Z
    In this study we evaluated the analgesic efficacy and the opioid-sparing effect of rofecoxib in ear-nose-throat surgery patients. Patients undergoing nasal septal or sinus surgery were randomized to receive either oral placebo or rofecoxib 50 mg 1 h before surgery. All patients received propofol 0.8 mg/kg, fentanyl 1 mug/kg, and local anesthesia at the operative site. Sedation was maintained by a continuous infusion of propofol adjusted to maintain sedation at a 2-3 level on the Ramsey scale. Additional fentanyl 0.5-1 mug/kg was administered at the patient's request or if the verbal rating scale score was >4. Patient sedation and pain scores were obtained at 5, 15, 30 45, and 60 min during surgery and 30 min and 2, 4, 6, 12, and 24 h after completion of the procedure. During the postoperative period, diclofenac 75 mg IM was administered for analgesia at the patient's request or if the visual analog scale (VAS) rating for pain was more than 4. VAS pain scores, intraoperative fentanyl, and postoperative diclofenac requirements were significantly smaller in the rofecoxib group compared with the placebo group (P < 0.001). The times to first analgesic request were also significantly less in the rofecoxib group. We conclude that the preoperative administration of oral rofecoxib provided a significant analgesic benefit and decreased the need for opioids in patients undergoing nasal septal and nasal sinus surgery.
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    The influence of N-acetyl-L-cystein infusion on cytokine levels and gastric intramucosal pH during severe sepsis
    (Biomed Central Ltd, 2004) Emet, S; Memis, D; Pamukçu, Z
    Introduction The purpose of the present study was to evaluate the effects of continuously infused N-acetyl-L-cystein (NAC) on serum cytokine levels and gastric intramucosal pH in humans suffering from severe sepsis. Methods Fifty-three patients were included in the study. In the NAC group (n = 27), after an initial intravenous bolus of NAC (150 mg/kg over 5 min), a continuous intravenous infusion of 12.5 mg/kg per hour was given for 6 hours. Patients in the control group (n = 26) were administered dextrose (5% solution) at the same dosage. We recorded the following: haemodynamic parameters, nasopharyngeal temperature, arterial blood gas changes, plasma cytokine levels, biochemical parameters, intramucosal pH, length of stay in the intensive care unit, duration of of mechanical ventilation and mortality. All measurements were taken at baseline (15 min before the start of the study) and were repeated immediately after the bolus infusion, and at 24 and 48 hours after initiation of the continuous NAC infusion. Results No differences were found between groups in levels of the major cytokines, duration of ventilation and intensive care unit stay, gastric intramucosal pH and arterial oxygen tension/inspired fractional oxygen ratio (P > 0.05). Conclusion We found that NAC infusion at the doses given did not affect cytokine levels, outcomes, or gastric intramucosal pH in patients with severe sepsis. Because of the limited number of patients included in the study and the short period of observation, our findings need confirmation in larger clinical trials of NAC infused in a dose-titrated manner. However, our results do not support the use of NAC in patients with severe sepsis.