RT Book, Section A1 Beaussier, Marc A2 Atchabahian, Arthur A2 Gupta, Ruchir SR Print(0) ID 57262942 T1 Chapter 151. Innervation of the Abdominal Wall and Viscera T2 The Anesthesia Guide YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176049-2 LK accessanesthesiology.mhmedical.com/content.aspx?aid=57262942 RD 2024/10/03 AB Recent findings emphasize the “two-wound model” after abdominal surgery: The somatic wound corresponds to the abdominal wallThe autonomic wound corresponds to the peritoneal layer and visceral componentPain after abdominal surgery arises predominantly from parietal somatic afferents, making parietal blocks very effectivePeritoneal and visceral sensory innervation is provided by visceral afferents running along the sympathetic nerves and joining the dorsal horn at the higher thoracic levels. However, a significant part of these afferents may reach the central nervous system by the vagus nerve, and will not be blocked even by an epidural block