RT Book, Section A1 Vloka, Jerry D. A1 Smeets, Ann-Sofie A1 Tsai, Tony A1 Bouts, Cedric A2 Hadzic, Admir SR Print(0) ID 1141738906 T1 Cervical Plexus Block T2 Hadzic's Textbook of Regional Anesthesia and Acute Pain Management, 2e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071717595 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1141738906 RD 2024/04/20 AB Cervical plexus anesthesia was developed early in the 20th century with two main approaches being used. In 1912, Kappis described a posterior approach to the cervical and brachial plexus, which attempted to block the nerves at their point of emergence from the vertebral column.1 The posterior approach was advocated because the vertebral artery and vein lie anterior to the plexus.2 However, the needle must pass through the extensor muscles of the neck which causes considerable discomfort, and the long path of the needle is more hazardous. Consequently, this technique is not recommended as a routine for cervical or brachial plexus block.