Mesenteric Ischaemia Flashcards
1
Q
what is it
A
death of mesentery due to embolus, thrombosis (arterial and venous)
2
Q
what is chronic
A
SMA, cramps, like angina of guts, atherosclerosis
3
Q
what is acute
A
small bowel usually gets infarcted (dies) whereas colon lives (marginal artery)
4
Q
what is cause
A
embolus usually from AF (forms in left atrium, sticks in a narrow SMA)
in situ thrombosis (virchows triad, dehydrated, hypercoaguable, compression, vasoconstricting drugs)
5
Q
how is it diagnosed
A
acidosis on gases (low pH, high H+ concentration, high BE) lactate elevated CRP may be normal WCC may be up a bit CT angiogram
6
Q
how is it treated
A
quickly!!
resect if non viable
re-anastomose or staple and planned return
if viable you can rarely perform SMA embolectomy
