Dexamethasone Provides Longer Analgesia than Tramadol when Added to Lidocaine after Ultrasound Guided Supraclavicular Brachial Plexus Block. A Randomized,Controlled, Double Blinded Study

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During nerve blocks (which can control postoperative pain effectively), various drugs have been proposed in combination with local anesthetics (LA) to help reduce onset time and to prolong the duration of action and postoperative analgesia. Dexmedethomidine, Clonidine and Ketamine are commonly used but they induce several side effects. Tramadol and dexamethasone were proposed as safe adjuvants to LA but there were no studies comparing these two drugs in ultrasound guided (US) peripheral nerve blocks.

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