الفهرس 
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Abstract
Pain is characterized as an unpleasant experience linked to the damage to the tissues. Perioperative pain management can provide short-term and long-term benefits that may pose a challenge to providers of anesthetics.
Aim of this study is to evaluate the effect of adding different doses of magnesium sulphate to bupivacaine for supraclavicular brachial plexus block anesthesia.
Results
Magnesium sulphate as an adjuvant to bupivacaine in supraclavicular brachial plexus blocks reduces the time to reach complete sensory and motor block and therefore shortens the time before operation. Also, using magnesium sulphate with doses of 100mg and 50mg as an adjuvant to bupivacaine in supraclavicular brachial plexus blocks could give satisfactory results that could compete vigorously with the high doses used in previous studies.
In conclusion, our present study shows that the use of magnesium Sulphate as an adjuvant to bupivacaine in supraclavicular brachial plexus blocks reduces the time to reach complete sensory and motor block and therefore shortens the total time before operation. Also, increases the duration of motor and sensory block as well as increases the analgesic duration and reduces the postoperative analgesic consumption which leads to more satisfactory analgesia for the patients as indicated by VAS.