mesenteric ischaemia

Question 1

what

Answer 1

lack of blood flow through mesenteric vessels resulting in intestinal ischaemia

Question 2

Blood supply to abdo organs

Answer 2

coeliac artery
SMA
IMA

Question 3

chronic mesenteric ischaemia

Answer 3

result of narrowing of mesenteric blood vessels by atherosclerosis

results in intermittent abdo pain when supply cant keep up with demand

Question 4

chronic mesenteric ischaemia classic triad

Answer 4

• central colicky abdo pain after eating
• weight loss due to food avoidance (pain)
• abdo bruit on auscultation

Question 5

chronic mesenteric ischaemia risk factors

Answer 5

• age
• FHx
• smoking
• diabetes
• htn
• raised cholesterol

Question 6

chronic mesenteric ischaemia diagnosis

Answer 6

CT angiography

Question 7

chronic mesenteric ischaemia Mx

Answer 7

• reduce modifiable risk factors
• 2ry prevention: statins, antiplatelet
• revascularisation

Question 8

chronic mesenteric ischaemia Mx - revascularisation

Answer 8

• endovascular procedures first line

- open surgery

Question 9

acute mesenteric ischeamia - typically caused by

Answer 9

rapid blockage in blood flow though SMA - usually thrombus

AF is key risk factor

Question 10

acute mesenteric ischeamia - presentation

Answer 10

acute, non-specific abdo pain

pain disproportionaet to exam findings

Question 11

acute mesenteric ischeamia - diagnostic test

Answer 11

contrast CT

also metabolic acidosis and raised lactate

Question 12

acute mesenteric ischeamia - Mx

Answer 12

surgery

• remove necrotic bowel
• remove or bypass thrombus