Superior mesenteric artery embolism

The superior mesenteric artery embolism refers to various emboli that have fallen off elsewhere and circulate to the superior mesenteric artery through the blood and retain its ends, leading to impaired blood supply to the artery and acute ischemic necrosis of the intestinal canal of the blood supply. The superior mesenteric arterial trunk has a large caliber and is inclined at an angle with the abdominal aorta, and emboli are easy to enter. Therefore, this disease is more common in clinical practice, accounting for about 40% to 50% of acute mesenteric vascular ischemia. The emboli are usually from the mural thrombus of the heart, so they are more common in patients with rheumatic heart disease, coronary heart disease, infective endocarditis and recent myocardial infarction. In addition, emboli come from atherosclerotic plaques and occasional bacterial emboli. These emboli come off spontaneously or during a catheter examination.

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