Abstract
Background: Ropivacaine, the pure S enantiomer of propivacaine, due to its less lipophilicity than bupivacaine does not produce cardiotoxicity or neurotoxicity and causes less motor blockade. Dexmedetomidine the newer selective alpha 2 adrenergic agonist has several advantages when given through epidural route as a neuraxial adjuvant. Aim: To compare 0.75% Inj.Ropivacaine with Inj.Fentanyl and 0.75% Inj.Ropivacaine with Inj.Dexmedetomidine epidurally for the duration of analgesia, hemodynamic changes, degree of motor blockade and occurrence of side effects. Materials and Methods: 60 patients undergoing lower limb orthopaedic surgeries were randomized to two groups. Group RF (n=30) received 0.75% Inj.Ropivacaine 20 cc with Inj.Fentanyl 50 mcg whereas Group RD (n=30) received 0.75% Inj.Ropivacaine 20 cc with Inj.Dexmedetomidine 50 mcg in normal saline diluted upto 1cc. Quality of sensory block, motor block, pulse rate, blood pressure, pain assessment and any adverse outcome were noted. Statistical analysis was done by student’s paired t-test for intragroup comparison and unpaired t-test for intergroup comparison and p
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