Abstract

Background & Methods: The aim of the study is to To study the effect of clonidine 15 and 30mcg dose added to 0.5% hyperbaric bupivacaine in influencing onset and duration of sensory and motor block, and in prolonging duration of analgesia in sub-arachnoid block in lower abdominal, perineal and lower limb surgeries. Results: GROUP A: patients who received 18 mg of hyper baric bupivacaine with 15 µ of clonidine. GROUP B: patients who received 18 mg of hyper baric bupivacaine with 30 µ of clonidine. Conclusion: Addition of clonidine to hyperbaric bupivacaine is effective and efficient in lower abdominal and inferior extremity, general surgeries and gynecological surgeries. Clonidine 15 mcg and 30 mcg used as an adjuvant to hyperbaric bupivacaine for subarachnoid block, specially the dose of 30 mcg is associated with effective and efficient sensory and motor block with a prolonged duration of post-operative analgesia with least disturbances in vital parameters. Both the doses of clonidine (15 mcg and 30 mcg) are effective as an adjuvant to the hyperbaric bupivacaine for subarachnoid block but 30 mcg is more effective and reliable.

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