Bloqueos nerviosos con ultrasonido/Ultrasound guided nerve blocks

Bloqueos guiados con ultrasonido Ultrasound-guided nerve blocks--is documentation and education feasible using only text and pictures? Worm BS, Krag M, Jensen K. PLoS One. 2014 Feb 12;9(2):e86966. doi: 10.1371/journal.pone.0086966. eCollection 2014. PDF Ultrasonido guiado vs neuroestimulación en bloqueo ciático. Un meta-analisis Ultrasound-guided technology versus neurostimulation for sciatic nerver block: a meta-analysis. Cao X, Zhao X, Xu J, Liu Z, Li Q. Int J Clin Exp Med. 2015 Jan 15;8(1):273-80. eCollection 2015. Abstract BACKGROUND: Sciatic nerve block is widely used for anesthesia and analgesia in lower limb surgery, traditional method used for sciatic nerve block is nerve stimulation guidance. Whether the use of ultrasound-guided technology can increases the success rate of sciatic nerve block and provide other benefits are not defined. This meta-analysis was aimed to clarify this issue. METHOD: We searched Pubmed, the Cochrane library and Google Scholar. A total of 10 RCTs met our inclusion criteria. The patients included underwent ultrasound-guided or nerve stimulation guidance for sciatic nerve block. We compared the success rate, vascular puncture, the time of procedure and Success rate of catheter placement. RESULTS: Ultrasound-guided technology, compared with nerve stimulation for sciatic nerve block, provided higher success rate. [RR = 1.22 95% CI: 1.04-1.42, P = 0.01], Ultrasound guidance also reduce the risk of vascular puncture. [RR = 0.13 95% CI: 0.02-0.97, P = 0.05]. However, the success rate of catheter placement [RR = 1.1095% CI: 0.93-1.29, P = 0.27] and the time of performing sciatica never block [RR = -0.17 95% CI: -1.61-1.27, P = 0.82] did not differ significantly. CONCLUSIONS: Compared to traditional nerve stimulation guidance, ultrasound guidance for sciatic nerve may improve the success rate of blockand reduce the risk of vascular puncture. KEYWORDS: Sciatic never block; meta-analysis; ultrasound-guided technology PDF

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