Mesenteric ischaemia

Question 1

What usually causes mesenteric ischaemia?

Answer 1

Arterial embolism e.g. from atrial fibrillation, endocarditis

Question 2

Clinical features of mesenteric ischaemia? (4)

Answer 2

Abd pain
Rectal bleeding
Diarrhoea
Fever

Question 3

Test results in mesenteric ischaemia?

Answer 3

Leucocytosis often with acidosis

Question 4

Why is the splenic flexure often affected?

Answer 4

Watershed area between the supplies of the superior and inferior mesenteric arteries

Question 5

What are the life-threatening complications of mesenteric/colonic ischaemia? (2)

Answer 5

Septic peritonitis

Multi-organ dysfunction

Question 6

Treatment of mesenteric ischaemia? (3)

Answer 6

Antibiotics + fluids

Laparotomy and resection of non-viable tissue

Question 7

Adhesions usually cause what kind of obstruction?

Answer 7

Small bowel