Abstract

This study was conducted to compare (0.5%) levobupivacaine (17.5 mg) and (0.5%) ropivacaine (17.5mg) for the patients undergoing infraumbilical surgery under spinal anaesthesia, with regard to efficacy, effectiveness in terms of time to reach T10, peak block height, time to reach the peak block, duration of sensory block at T10 and two segment regression time, and pre- and post-interventional hemodynamic profiles. Methods: This was a hospital-based prospective randomized study conducted among 90 patients undergoing infraumbilical surgery under spinal anaesthesia at the Department ofSurgery, S.C.B. Medical College and Hospital, from December 2020 to November 2022 after obtaining clearance from the institutional ethics committee and written informed consent from the study participants. Results: Comparison of effectiveness and efficacy between two intervention groups, comparison of time required for the transition from Bromage 0 to Bromage scores 1,2, and 3, comparison of time duration for the transition from B3 to B0 among the study participants between two groups, comparison of post intervention MAP between two interventional groups and comparison of post-intervention side effects between two intervention groups, all these were found to be statistically significant. Conclusion: In comparison to ropivacaine, intrathecal administration of levobupivacaine produced an early onset of sensory and motor block, a prolonged duration of sensory and motor block,an early reach of peak block height anda prolonged two dermatome regression time

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