Intestinal artery ischaemia Flashcards

1
Q

common sites of occlusion ?

A

splanchnic arteries and bifurcation of the aorta

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2
Q

why is chronic abdominal artery occlusion usually symptomless?

A

there is a large collateral circulation between the superior mesenteric and coeliac arteries

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3
Q

how would acute abdominal artery occlusion present?

A

acute, severe abdominal pain (MI of stomach)

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4
Q

when is cramping pain usually felt in chronic ab art oc?

A

20-60 minutes after eating

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5
Q

how can intestinal angina be relieved?

A

GTN sublingual

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6
Q

why would patients lose weight with chronic occlusion?

A

develop a fear of eating

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7
Q

what is angioplasty?

A

balloon angioplasty. procedure to widen narrowed or obstructed arteries or veins, typically to treat arterial atherosclerosis.

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8
Q

how is acute mesenteric ischaemia diagnosed?

A

its a surgical emergency usually diagnosed with CT to determine the site occlusion

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9
Q

what does acute mesenteric ischamia require?

A

Requires thrombolysis or Percutaneous intervention to prevent gut necrosis
Emergency laparotomy. bowel resection +- revascularization

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10
Q

what sort of signs would you get in renal artery occlusion ?

A

signs of renal disease e.g. hypertension, sudden onset flank pain, haematuria

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11
Q

mesenteric ischaemia usually involves which bowel?

A

small bowel

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12
Q

a patient with AF/vascular disease and abdominal pain ?

A

mesenteric ischaemia

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13
Q

diagnosis for mesenteric ischaemia?

A

mesenteric angiography

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