Mesenteric Ischaemia

Question 1

At what vertebral level does the coeliac trunk originate?

Answer 1

T12

Question 2

What are the 3 main branches of the coeliac trunk?

Answer 2

Left gastric

Splenic

Common hepatic

Question 3

What parts of the bowel does the coeliac trunk innervate? (7)

Answer 3

Superior portion of duodenum

Pancreas

Biliary tree

Liver

Spleen

Stomach

Oesophagus

Question 4

What vertebral level does the SMA arise

Answer 4

L1

Question 5

What parts of the bowel does the SMA supply? (7)

Answer 5

Inferior region of head of pancreas

Uncinate process of pancreas

Duodenum

Jejunum and ileum

Caecum

Ascending colon

Proximal 2/3 of transverse colon

Question 6

What vertebral level does the IMA arise

Answer 6

L3

Question 7

The IMA is a ___peritoneal structure

Answer 7

Retro

Question 8

What portions of the bowel does the IMA supply? (5)

Answer 8

Distal 1/3 of transverse colon

Splenic flexure

Descending colon

Sigmoid colon

Rectum

Question 9

What are the symptoms and signs of chronic mesenteric ischaemia? (3)

Answer 9

Colicky abdominal pain after eating
Weight loss
Abdominal bruit on examination

Question 10

What is the gold standard scan for chronic mesenteric ischaemia?

Answer 10

Ct Angiography

Question 11

What is a key risk factor for acute mesenteric ischaemia?

Answer 11

AF

Question 12

What is the gold standard investigation for acute mesenteric ischaemia?

Answer 12

Contrast CT

Question 13

What marker will be raised in acute mesenteric ischaemia?

Answer 13

Lactate