ACTA ANAESTHESIOLOGICA SCANDINAVICA, vol.52, no.6, pp.851-855, 2008 (SCI-Expanded)
Background: A nerve stimulation-guided lateral sagittal infraclavicular block (LSIB) has been proven to be an effective block. The purpose of this study was to evaluate whether the use of ultrasound (US) guidance would further improve the block quality of LSIB.