Hemidiaphragmatic Paralysis Following Ultrasound-Guided Supraclavicular Versus Infraclavicular Brachial Plexus Blockade

Background and Objectives

The comparative incidences of hemidiaphragmatic paralysis associated with contemporary ultrasound-guided supraclavicular versus infraclavicular blockade have not received extensive study. We tested the hypothesis that the infraclavicular approach results in a lower incidence of hemidiaphragmatic paralysis compared with supraclavicular blockade when a standard local anesthetic volume and concentration are used....