Ultrasound Guided Supraclavicular Brachial Plexus Block For Upperlimb Surgeries With Single Injection And Double Inhection. A Randomized Comparative Study.
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2019, Vol 18, Issue 4
Abstract
Background: Ultra sound guided supraclavicular block can be achieved either using single injection (SI) or double injection(DI) techniques. Local anesthetic (LA) deposition at the corner pocket through SI technique provides competent anesthesia but sparing of the upper trunks can occur. Our study hypothesized DI technique provides better blockade quality than single injection technique. Objective: To compare the success rate of blockade in SI versus DI techniques and to compare the total anesthesia related time in the two groups. Methods: A randomized comparative study in two groups .Both the groups received ultrasound guided 30ml of 0.5% Ropivacaine. Group SI (N=60) received entire volume in the corner pocket. In group DI (N=60) the volume was divided , where 15ml was deposited in the corner pocket and the remaining 15ml was injected superior and lateral to the subclavian artery in the centre of brachial plexus during withdrawal. The success rate of blockade and total anesthesia related time were studied in both the groups. Results: Data of 120 patients were analyzed. The success rate of blockade between the SI (91.7%) and DI(96.7%) Group were comparable (p>0.05). The total anesthesia related time in SI group was significantly longer in comparison with DI group, with mean ±SD of 25.17±2.45 and 21.42±3.29 respectively (p<0.001). Conclusion: This study demonstrated that the success rate in both the SI and DI techniques are comparable. However, a faster onset and hence a shorter total anesthesia related time has been observed with DI over SI technique. However, this difference may not be clinically relevant.
Authors and Affiliations
Sateesh Kumar Potnuru, G. K. V. Satyanarayana
Keywords
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- DOI 10.9790/0853-1804133135.
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