Gastric infarction is uncommon because of the collateral blood supply to the organ. However, an infarct of the stomach may occur if certain circumstances arise.
Conditions associated with infarction of the stomach:
(1) severe generalized atherosclerosis
(2) disseminated embolization from atheromatous plaque in the aorta, typically after instrumentation or catheterization
(3) extensive venous thrombosis
(4) severe vasculitis in the arteries supplying the stomach
(5) chronic mesenteric vascular insufficiency
(6) volvulus
(7) possibly endocarditis with microemboli
Marginal perfusion of the stomach can be reduced into the ischemic range by:
(1) severe hypotension
(2) extensive abdominal trauma
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