Effect of intravenous dexamethasone on the duration of action of supraclavicular block
Journal Title: Medpulse International Journal of Anesthesiology - Year 2019, Vol 9, Issue 1
Abstract
Background: Supraclavicular block is a popular and widely employed regional nerve block of the upper extremity. Duration of action and possible variations in it can be a limiting factor for use of this technique. Dexamethasone can be used intravenously to prolong the duration of supraclavicular brachial plexus block. Aim: To evaluate the effect of intravenous Dexamethasone on duration of supraclavicular brachial plexus block. Material and Methods: The study was carried out in total 50 patients in two groups of 25 each. The patients were randomly allocated in two groups by sealed envelopes techniques as follows. Group C–Supraclavicular block with 0.5% Bupivacaine 15 ml.+2% Xylocaine adrenaline 15 ml. and Normal Saline as placebo in 10 cc syringe IV. Group D – Intravenous Dexamethasone0.2 mg/kg just before the beginning of block and supraclavicular block with 0.5% Bupivacaine 15 ml. + 2% Xylocaine adrenaline 15 ml. Results: The mean total duration of sensory block was significantly higher in dexamethasone group as compared to control group. (11.84 vs 7.58 hours; p value < 0.001). The mean total duration of motor block in dexamethasone group was 10.12 ± 0.88 hours and control group was 6.30 ± 0.82 hours. The difference in duration of two groups was 3.82 hours. Motor block duration is significantly higher in dexamethasone group. P value (<0.001). Conclusion: Intravenous Dexamethasone significantly prolongs duration of sensory and motor blockade in supraclavicular brachial plexus block. Intravenous administration of dexamethasone should be considered to achieve increased duration of analgesia.
Authors and Affiliations
Jyoti Survase, Sarojini Bobde, S S Swami
Keywords
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- DOI 10.26611/10159114
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