Dr. Feroz Ahmad Dar, Dr. Neelofar Jan
Objective: In this clinical study hyperbaric ropivacaine in spinal anaesthesia for lower limb and hip surgery was evaluated and results obtained were compared with those using hyperbaric bupivacaine.
Methodology: Two hundred patients scheduled for lower limb and hip surgery were randomly divided into two groups of 100 patients each. These patients received a spinal injection of either 3ml (15mg) of 0.5% hyperbaric ropivacaine or 3ml (15mg) of 0.5% hyperbaric bupivacaine using 25G Quincke type spinal needle. The parameters studied were - onset and total duration of sensory block, onset and total duration of motor block, quality of intraoperative anaesthesia, hemodynamic alterations, and any intraoperative and postoperative complications.
Results: The mean onset of sensory block (6±1.3min vs. 3±1.1min; p value<0.05) and motor block (13±1.6min vs. 9±1.3min; p value< 0.05) was significantly slower in ropivacaine group as compared to bupivacaine group. The total duration of sensory block was significantly shorter in ropivacaine group (160±12.9min) than in bupivacaine group (260±16.1min; p value <0.05). The mean duration of motor block was also shorter in ropivacaine group compared to bupivacaine group (126±9.2min vs. 174±12.6min; p value<0.05).
Conclusion: The quality of anaesthesia was excellent in both the groups. In conclusion, a solution of ropivacaine (hyperbaric) can be used for spinal anaesthesia and is comparable with hyperbaric bupivacaine in terms of quality of block, but has shorter recovery profile.
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