5. Clinical Profile of Acute Mesenteric Ischemia Cause Incidence Age Prior Symptoms Risk Factors Mortarlity Thrombosis 50% Elderly Instestinal Angina +/- Sytemic Atherosclerosis Very High Embolic 25% Elderly No Recent MI,CHF Arrhythnias Rheumatic fever High NOMI 20% Elderly No Cardiogenic shock Bypass, Pressors, Sepsis, Burns, Pancreatitis Highest Mesenteric Venous Thrombosis 5% Young Asymptomatic Thrombosis indolent+/- Hypercoagulability Portal Hypertension Trauma, Inflammation Prior surgery Lowest
6.
7. Plain Abdomen X ray Radiographic evidence. The arrow indicates "thumbprinting" of the transverse colon. Note the accentuated focal thickening that indents the air of the bowel as if a thumb were pressing on the air column. This finding is not specific to ischemic disease; it also is reported in inflammatory conditions such as Clostridium difficile colitis and infiltrating neoplasms such as lymphoma.
8. Plain Abdomen X ray cntd Pneumotosis intestinalis= bowel wallnecrosis Air in Portal system – late sign
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