BLOOD SUPPLY - CELIAC

Question 1

What are the three main branches of the celiac trunk? What embryological part of the gut does this trunk supply?

Answer 1

Supplies foregut structures

• Common hepatic
• Splenic
• Left gastric

Question 2

What is the first branch of the left gastric artery?

Answer 2

Oesophageal artery

Question 3

What are the greater and lesser curvatures of stomach supplied by respectively?

Answer 3

Lesser: Left and right gastric arteries

Greater: left and right gastroepiploic arteries

Question 4

Where are gastric ulcers common? Rupture of these ulcers would result in bleeding from which artery?

Answer 4

Lesser curvature of stomach → bleeding from left gastric artery

Question 5

A ruptured posterior duodenal ulcer would cause bleeding from which artery? From which artery does this branch?

Answer 5

Gastroduodenal artery → branches from common hepatic artery

Question 6

Label

Answer 6

Question 7

Which part of the stomach do the small gastric arteries supply? Why are they vulnerable to ischaemia? From where do they branch?

Answer 7

• Supply fundus and upper cardiac portions of stomach
• Vulnerable to ischaemia if splenic artery occluded as no dual blood supply
• Branches of splenic artery

Question 8

What are the three structures contained within the hepatoduodenal ligament?

Answer 8

• Proper hepatic artery (branch of common hepatic)
• Portal vein
• Common bile duct

Question 9

What is this procedure?

Answer 9

Pringle maneuver

Large atraumatic hemostat used to clamp hepatoduodenal ligament, interrupting flow of blood through hepatic artery and portal vein, helping control bleeding from liver.