Effects of Dexamethasone as an adjuvant to local anaesthetic in brachial plexus block through supraclavicular route
Journal Title: Medpulse International Journal of Anesthesiology - Year 2019, Vol 9, Issue 3
Abstract
Background: Supraclavicular brachial plexus block is most commonly preferred anaesthesia for upper limb orthopaedic surgeries. Various adjuvants to local anaesthetics were studied to prolong the duration of analgesia of brachial plexus block. In the present study we used dexamethasone(8mg) as an adjuvant to bupivacaine in supraclavicular brachial plexus block and studied its effect on onset and duration of sensory and motor block. Material and Methods: 70 patients of ASA I &II status were randomly divided in to two groups of 35 patients each. Patients in group A received 0.25% bupivacaine(38 ml) plus dexamethasone 8 mg(2 ml) making a total volume of 40 ml(care was taken not to exceed the maximum drug dosage).Patients in group B received 0.25% bupivacaine (38 ml) plus 0.9% normal saline(2 ml) making a total volume 40 ml. Time for onset of sensory and motor block, duration of analgesia and duration of motor block were noted. Results: Time for onset of sensory block (15.5±0.26mins) in group A was significantly earlier than onset of sensory block (20.6±0.2mins) in group B. Time for onset of motor block (25.4±0.19mins) in group A was also significantly earlier than group B (30.5±0.2mins).Duration of motor block was also statistically highly significant in both the groups.(p value< 0.001).It was 315.6±4.97min in group A and 153.6±2.9min in group B. Duration of sensory block was longer in group A which was 485±5.45mins, while in group B it was 212.7±2.1mins.There was statistically highly significant difference for duration of sensory block between2 groups.(p value <0.001). Conclusion: Addition of dexamethasone to bupivacaine in supraclavicular brachial plexus block results in significantly early onset and prolonged duration of sensory and motor block without any significant side effects.
Authors and Affiliations
Shital Halvadia, Dhara Patel, Shobhana Gupta
Keywords
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- EP ID EP521204
- DOI 10.26611/1015938
- Views 140
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