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Flexion cervical MR imaging is a very useful investigation in diagnosing Hirayama disease. The increase in the laminodural space and the presence of cervical cord flattening during flexion are essential for diagnosis.

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Application of warmth over the vascular access prior to rocuronium administration effectively reduces injection-related pain.

Background Pregabalin is a gabapentinoid which has been shown to possess analgesic and anxiolytic properties. The present study aimed to assess the efficacy of a single dose of pregabalin on postoperative pain and preoperative anxiety in patients undergoing lumbar spine surgery. Materials and Methods Sixty adults posted for elective lumbar laminectomy and discectomy were randomly assigned to one of the three groups; Group C received placebo capsules, Group PI received pregabalin 150 mg, and Group P2 received pregabalin 300 mg capsules, 2 h prior to induction of anesthesia. The levels of anxiety and pain were assessed with respective 100 mm visual analog scale (VAS) score. Postoperative fentanyl consumption and occurrence of side effects were recorded. All patients were observed for 8 h, postoperatively. Results There was a significant reduction in preoperative anxiety in both pregabalin groups as compared to control group (p = 0.001). VAS score for pain (at rest and during movement) was significantly decreased at all time intervals in both PI and P2 groups as compared to control (p < 0.05). Fentanyl consumption in the postoperative period was significantly reduced in pregabalin groups as compared to control (p = 0.001). The level of sedation was higher in P2 group in the first 4 h (p < 0.05). The occurrence of postoperative nausea and vomiting was more in control group as compared to the pregabalin groups (p = 0.018). The incidence of dizziness and blurring of vision was significantly more in P2 group. Conclusion Single preoperative dose of pregabalin 150 or 300 mg was effective in reducing preoperative anxiety, postoperative pain and total fentanyl consumption in patients undergoing lumbar laminectomy and discectomy. However, the incidence of postoperative side effects such as sedation, dizziness and visual blurring was more in patients who received pregabalin 300 mg. AbstractKeywords ► fentanyl consumption ► postoperative pain ► pregabalin ► preoperative anxiety

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