An evaluation of brachial plexus block using a nerve stimulator versus ultrasound guidance: A randomized controlled trial.

Background And Aims: This study was carried out to evaluate the difference in efficacy, safety, and complications of performing brachial plexus nerve blocks by using a nerve locator when compared to ultrasound (US) guidance.

Material And Methods: A total of 102 patients undergoing upper limb surgery under supraclavicular brachial plexus blocks were randomly divided into two groups, one with US and the other with nerve stimulator (NS). In Group US, "Titan" Portable US Machine, Sonosite, Inc.