RT Book, Section A1 Li, Yunping A2 Hess, Philip E. A2 Li, Yunping A2 Kowalczyk, John J. A2 Stiles, Justin K. SR Print(0) ID 1199674298 T1 High Spinal T2 Obstetric Anesthesia: Quick References & Practical Guides YR 2023 FD 2023 PB McGraw Hill PP New York, NY SN 9781264671465 LK obgyn.mhmedical.com/content.aspx?aid=1199674298 RD 2024/04/24 AB The definition of a high neuraxial block (High Spinal) is the presence of motor blockade above the intended level and which may require tracheal intubation for airway protection (Chapter 31, “Quality Indicators”).1 High neuraxial block was the leading cause of anesthesia-related maternal death,2 and the leading cause of legal claims for maternal death or permanent brain injury filed between 1990 and 2003.3 The incidence of high neuraxial block in obstetric anesthesia is 1:4336 in a complication repository of 257,000 anesthetics, the highest incidence in all serious anesthesia-related complications.1