Journal of clinical anesthesia
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Meta Analysis Comparative Study
Analgesic efficacy of ultrasound-guided regional anesthesia: a meta-analysis.
To determine if the use of ultrasound guidance (vs non-ultrasound techniques) improves the success rate of nerve blocks. ⋯ Ultrasound-guided peripheral nerve block is associated with an increased overall success rate when compared with nerve stimulation or other methods. Ultrasound-guided techniques also increase the success rate of some specific blocks.