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Background: Brachial plexus block utilizing ultrasound imaging has now become either adjuvant to general anaesthesia (GA) or as a mainstay anaesthesia modality. There are fewer studies comparing the effects of ropivacaine and levobupivacaine for supraclavicular brachial plexus block. The aim of this study was to do a prospective randomized study to compare 0.5% Levobupivacaine and 0.5% Ropivacaine in patients undergoing forearm orthopaedic surgeries under Ultrasound-Guided Supraclavicular Brachial Plexus Block. Materials and Methods: A total of 56 patients were enrolled and randomized into two groups. Group R with 28 patients was given 30mL of 0.5% Ropivacaine and Group L with 28 patients were given 30 mL of 0.5% Levobupivacaine, drugs were used for giving supraclavicular block under ultrasound. Parameters assessed were onset and duration of sensory and motor block, duration of analgesia, and any adverse events. After administration of block, the block characteristics were assessed every 5mins till the onset of the complete blockade, then hourly till the effect of the block. Data between the groups were analysed using SPSS 25.0 software. Results: Demographically both the groups were comparable in the study. The study shows that there was a statistically significant difference in onset of sensory block in Levobupivacaine and Ropivacaine (7.54 mins ± 2.10 vs 8.55 mins ± 2.08), similarly there was the difference in onset of motor block in Levobupivacaine 12.95 mins ± 2.30 vs Ropivacaine 14.07 mins ± 2.22. The duration of analgesia was more in the group of patients Levobupivacaine (9.98 hours ± 4.88) Ropivacaine (8.03 hours ± 3.58) Conclusion: the onset of action of sensory and motor was early in Levobupivacaine group with faster recovery of motor function as compared to the equivalent dose of Ropivacaine. Levobupivacaine has a better profile in terms of duration of analgesia. Keywords: Brachial plexus block, ropivacaine, levobupivacaine, supraclavicular brachial plexus block, ultrasound guidance

pakistan journal of medical and health sciences

A Prospective Randomized Study to compare Levobupivacaine and Ropivacaine in Patients Undergoing Forearm Orthopaedic Surgeries under Ultrasound-Guided Supraclavicular Brachial Plexus Block