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  • Title: Non-occlusive mesenteric ischemia.
    Author: Lock G, Schölmerich J.
    Journal: Hepatogastroenterology; 1995 Jul; 42(3):234-9. PubMed ID: 7590571.
    Abstract:
    Non-occlusive disease of the mesentery is still a rather underdiagnosed and underestimated condition. It is associated with circumstances that may compromise circulation or the intake of drugs that may lower mesenteric blood flow. Pathophysiologically, a "low flow syndrome" of mesenteric circulation is followed by vasoconstriction; a reperfusion injury may contribute to the ischemic injury. Histopathological changes vary between superficial localized lesions and transmural gangrene. Diagnosis within the initial 24 hours of the development of symptoms is crucial for prognosis but remains a difficult task. Clinical presentation, laboratory tests and ultrasound lack specificity; the role of duplex ultrasound, tonometry and reflectance spectophotometry is still under evaluation. Mesenteric angiography remains the only reliable diagnostic tool and should be applied early in all patients in whom acute mesenteric ischemia is a real possibility. Therapy is aimed at the rapid correction of predisposing and precipitating factors and an effective treatment of mesenteric vasoconstriction. Treatment of choice is a papaverine infusion into the superior mesenteric artery via an angiography catheter. Patients with peritoneal signs have to be treated surgically.
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