ULTRASOUND-GUIDED SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK WITH OR WITHOUT DEXMEDETOMIDINE AS AN ADJUVANT TO 0.5% LEVOBUPIVACAINE- A COMPARATIVE STUDY
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2017, Vol 6, Issue 43
Abstract
BACKGROUND Peripheral nerve block as an anaesthetic technique plays an important role in modern regional anaesthesia compared with general anaesthesia which includes excellent pain control, shortened stay in post anaesthetic care unit and reduced side effects. 1,2 Upper limb surgeries are mostly performed under brachial plexus block. In this prospective, randomised, double-blind comparative study, we evaluated the effectiveness of the addition of dexmedetomidine to 0.5% levobupivacaine in ultrasound-guided supraclavicular brachial plexus block for upper limb orthopaedic surgeries. MATERIALS AND METHODS After obtaining Institutional Ethical Committee approval, a double-blind, randomised, prospective, comparative study was conducted on 60 American Society of Anaesthesiologist Grade I and II patients in the age group of 18 - 55 years. Sample size of total 60 patients were randomly allocated into one of the two groups of 30 patients each. Group A received 30 mL 0.5% levobupivacaine with 1 mL isotonic sodium chloride and Group B received solution containing 30 mL of 0.5% levobupivacaine with 1 mL dexmedetomidine (1 μg/kg body weight) for ultrasound-guided supraclavicular brachial plexus block. The effects were studied in terms of onset and duration of sensory and motor blockade, duration of analgesia, haemodynamic changes and complications if any. RESULTS The time of onset of sensory blockade was 6.6 ± 0.72 mins in Group A and 5.83 ± 0.69 mins in Group B, while the onset time of motor blockade was 8.1 ± 0.73 mins in Group A and 7.2 ± 0.61 mins in Group B. The duration of sensory blockade was 358.3 ± 42.42 mins in Group A and 455 ± 39.45 mins in Group B, while the duration of motor blockade was 271.66 ± 29.48 mins in Group A and 307 ± 35.83 mins in Group B and the duration of analgesia was 322 ± 31.44 mins in Group A and 372 ± 24.41 mins in Group B. CONCLUSION Addition of 1 μg/kg dexmedetomidine to 0.5% levobupivacaine for supraclavicular brachial plexus block shortens sensory and motor block onset time, extends sensory block, motor block and analgesia durations.
Authors and Affiliations
Gurulingappa A. Patil, Sateesh G. C, Priyanka Pattanshetty
Keywords
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- EP ID EP214517
- DOI 10.14260/Jemds/2017/731
- Views 93
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