PURPOSE The purpose of this module is to review the main ultrasound-guided approaches used for regional anesthesia of the upper limb. PRINCIPAL FINDINGS The anatomical configuration of the upper limb, with nerves often bundled around an artery, makes regional anesthesia of the arm both accessible and reliable. In-depth knowledge of upper limb anatomy is required to match the blocked territory...

 Abstract Background: Different adjuvant drugs have been used with local anesthetics in order to decrease the time of onset and elongate the duration and quality of regional blocks. This study was performed to study the effects of one of the adjuvants, verapamil, in supraclavicular block. Methods: In this double blinded clinical trial, we divided 60 ASA class I and II patients who were to under...

BACKGROUND AND OBJECTIVES Perineural dexamethasone prolongs the duration of single-injection peripheral nerve block when added to the local anesthetic solution. Postulated systemic mechanisms of action along with theoretical safety concerns have prompted the investigation of intravenous dexamethasone as an alternative, with decidedly mixed results. We aimed to confirm that addition of intraveno...

Introduction: Supraclavicular brachial plexus block provides the optimal operating conditions for upper arm surgery. The study was conducted to assess efficacy of dexamethasone as an adjuvant bupivacaine in supraclavicular block. Methods: An experimental performed Gandaki Medical College and Teaching hospital, Pokhara. Forty patients undergoing surgery elbow, forearm, hand under block, with 0.2...

BACKGROUND Although an ultrasound-guided brachial plexus block has become the standard, conventional brachial plexus blocks with a paresthesia or muscle twitch are still performed. However despite eliciting a paresthesia or muscle twitch, there are some cases in whom the brachial plexus block fails. This has been attributed to the difference between the proximal response (PR) and distal respons...

Irritation of neural structures, specifically the brachial plexus outside of the cervical spine is capable of producing pain in the upper extremity. These pain patterns may be similar to pain originating from the cervical spine, presenting a diagnostic challenge. Brachial plexus block is performed at multiple levels, including interscalene, supraclavicular, infraclavicular, and axillary. Inters...

BACKGROUND Previous studies have been conducted to evaluate the effect of different adjuvants on brachial plexus block. OBJECTIVES This study investigated the effect of adding magnesium sulfate to lidocaine on postoperative pain in upper limb surgeries by supraclavicular brachial plexus block under ultrasound guidance. METHODS This study was carried out on patients who were candidate for up...

Supraclavicular brachial plexus blocks are not common in pediatric patients due to the risk of pneumothorax. Ultrasonography is an important tool for identifying nerves during regional anesthesia. Directly visualizing the target nerves and monitoring the distribution of the local anesthetic are potentially significant. In addition, ultrasound monitoring helps avoid complications, such as inadve...