Pain-free and relief are one of the anesthesiologist's most important concerns during the operation. General aim is always to effectively control pain but while simultaneously reducing opioid requirements to reduce opioid related side effects and mortality. Patients undergoing orthopedic operations tend to have high pain scores and analgesic requirements. In this study, the investigators aim to investigate the effect of adding nefopam on reducing the postoperative pain scores and the need for opioids. This double-blind placebo-controlled prospective study aims to determine the effectiveness of nefopam in relieving the pain resulting from the operation in addition to the pain resulting from tourniquet. The unlabeled drug solution was administered one at the beginning of surgery. A 10 mL solution containing nefopam 20 mg or placebo diluted with normal saline was infused over 20 min. 11-point visual analogue scale was utilized to assess the pain score.
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The analgesic efficacy of nefopam
Timeframe: 6 months
Amount of opioids used intraoperatively
Timeframe: 6 months