1. Stomach and duodenum Surgery
Dr. Sherzad Hasand MD, MS
Dept. of Surgery
Shaikh zayed University
2. Introduction
The stomach is a remarkable organ with
important digestive, nutritional, and endocrine
functions.
Located between esophagus and small
intestine.
3. Appears in week 5.
A pliable, saccular organ.
Located in the LUQ and epigastrium.
Separated from the GI tract (2 locations).
(Lower Esophageal Sphincter - Pyloric Sphincter)
5. From surgeon’s point of view:
Proximal gastric unit
Distal esophagus, cardia, fundus, body
Distal gastric unit
Gastric antrum, pylorus, 1st part of
duodenum
6.
7. Gastric blood supply
Celiac trunk:
Arises from aorta at T12
1. Left Gastric Artery
Esophageal Branch
Gastric Branch
2. Common Hepatic Artery
Proper Hepatic Artery
Right Gastric Artery
Gastroduodenal Artery Right Gastroepiploic
Art
3. Splenic Artery
Left Gastroepiploic Artery
Short Gastric Artery
18. Acid Stimulation and Inhibition
Cephalic phase:
Sight, Smell, Thought, Taste
Cortex and hypothalamus Vagus nerve
20%-30% of HCl
Gastric Phase:
Presence of food in stomach G cells release
Gastrin
Stretch/mechanical distention
70% of HCl
Intestinal Phase:
Entry of chime into duodenum
10% of HCl