A COMPARATIVE STUDY OF SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK USING NERVE STIMULATOR VERSUS ULTRASOUND GUIDED METHOD IN INDIAN POPULATION
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Keywords
Supraclavicular block, Nerve stimulator guided, USG guided, Orthopedic, Sensory, Motor block
Abstract
Background: Peripheral nerve blocks can be performed by several methods. The present study was undertaken to compare peripheral nerve stimulator and US guided supraclavicular block for upper limb orthopedic surgeries in Indian population.
Method: A total 50 patients undergoing upper limb surgeries were enrolled in the study and randomly divided into two groups of 25 patients in each group. Group PNS (Nerve stimulator guided) and Group USG (USG guided) supraclavicular brachial plexus block.
Results: The mean time for block execution in group USG was less (4.12±1.53) compared to group PNS (7.98±1.78), (P<0.05). The mean time of onset of sensory and motor block as well as mean time taken for complete sensory and motor block in group USG was less as compared to group PNS and this was statistically significant, (P<0.05). The quality of sensory and motor block in group PNS was poor as compared to group USG, (p<0.05). Intra and post-operative haemodynamic parameters of patients from Group USG were more stable as compared to Group PNS at different time intervals with no statistical significance, (P>0.05). Majority of patients among Group USG had bradycardia (16%) than group PNS (8%). Most of the patients among Group USG had good success rate (96%) compared to group PNS (76%) with statistically significant difference, (p<0.05).
Conclusion: The supra clavicular brachial plexus block using ultrasound guided method is an improved nerve block technique due to visualization of nerves with more success, decreased complication rate, and less time consuming, smaller volume of local anaesthetic agent required, as compared to nerve stimulator.
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Dr Anupriya Chaturvedi
Senior resident Government medical College and hospital, Nagpur, Department of Anesthesiology
Dr. Archana Vaidya
Associate professor Government medical College and hospital Nagpur, Department of Anesthesiology
Dr. Vinay A
Senior resident Government medical College and hospital, Nagpur, Department of Anesthesiology
Dr. Shweta Nayar
Senior resident Tata memorial hospital, Mumbai, Department of Anesthesiology