Highly selective vagotomy preserves

Highly selective vagotomy includes denervation of only the fundus and body (parietal cell-containing areas) of the stomach (also called parietal cell vagotomy). It preserves the nerve supply of the antrum and pylorus(nerve of laterjee); a pyloric drainage procedure is not needed. ... This procedure is also called proximal gastric vagotomy Ref ganong's review of medical physiology 25e p543