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Gastroduodenal artery (GDA) commonly arises from common hepatic artery, a branch of celiac axis. It holds a unique anatomical position that connects the foregut and midgut due to its intimate communications with foregut and midgut arterial supply. Its numerous anatomical variations have a significant impact on planning and performance of hepatopancreaticobiliary (HPB) surgery. Its close relation to the first part of duodenum, common bile duct and head of pancreas makes it susceptible for inadvertent bleeding during or after surgery, or due to various HPB pathologies. Also, a large number of vascular interventions rely on GDA and its branches. Careful preoperative planning is the key and a detailed knowledge and awareness of its variant anatomy is of paramount importance, be it liver resections, liver transplant, biliary and pancreatic resections and pancreatic transplant or transarterial procedures involving these arteries. GDA can also be a cause of gastrointestinal hemorrhage due to true or pseudoaneurysms and anatomy has significant implications on its management. The article provides a succinct review on relevance of GDA anatomy and variations and highlights that preoperative planning and intraoperative awareness of variations is the key to performance of safe HPB surgery and interventions.
Desai et al. (Fri,) studied this question.