A Comparitive Study Of Bupivacaine 0.5% And Ropivacaine 0.5% For Ultrasound Guided Supraclavicular Brachialplexus Block
Journal: International Journal of Anesthesiology & Research (IJAR) (Vol.09, No. 03)Publication Date: 2021-10-12
Authors : H S Prajwal Patel Sarvesh B B T Shivaramu;
Page : 642-646
Keywords : Bupivacaine; Ropivacaine; Ultrasound; Supraclavicular Brachialplexus Block.;
Abstract
Background: Supraclavicular Brachial plexus block provides safe, effective, low cost anaesthesia with excellent post operativeanalgesia. With the advent of ultrasound guidance establishing the blockade has been easier with reduced drug dosage and less complications. Objective: To compare the effect of bupivacaine 0.5% &ropivacaine 0.5% used for ultrasound guided supraclavicular brachial plexus block with respect to onset and duration of sensory blockade, onset and duration of motor blockade, duration of analgesia. Methods: 60 patients of ASA class 1 and 2 for upper limb surgical procedures were randomly allocated into two groups of 30 each, Group B β i.e Bupivacaine group receives 20 ml Bupivacaine 0.5% ( 5 mg/ml), Group R β i.e Ropivacaine group receives 20 ml Ropivacaine 0.5% ( 5 mg/ml ).With ultrasound guidance supraclavicular brachialplexus block was administered. Testing for onset of sensory blockade was done using pin prick method,motor block was assessed using modified bromage scale, post operatively patients would be assessed for the duration of sensory and motor blockade. Results: The present study shows that the onset of sensory,motor blocks was significantly earlier in bupivacaine 0.5% group (Group B) in comparision with ropivacaine0.5% group (Group R ).The duration of motor, sensory block and duration of analgesia was longer in Bupivacaine0.5% group compared with Ropivacaine0.5% group. Conclusion: Bupivacaine 0.5 % has early onset of sensory blockade ,early onset of motor blockade,prolonged duration of sensory blockade, motor blockade, prolonged duration of analgesia when compared to ropivacaine 0.5 % at equal volumes when used for supraclavicular brachial plexus block under ultrasound guidance without any adverse effects.
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