CASE REPORTS
JOURNAL ARTICLE
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Reversal of Acute Mesenteric Ischemia by Salvation of the Meandering Mesenteric Artery with Stenting of the Left Internal Iliac Artery.

The presence of the meandering mesenteric artery, which is a nonconstant tortuous arterial component unifying the peripheral intestinal circulation, is evidence of chronic occlusive disease of the main intestinal arteries. This collateral intestinal arterial pathway, when present, must be preserved in any abdominal intervention, as it is often the only remaining arterial supply of the intestine; its ligation can be accompanied by intestinal ischemia. We present herein, the case of a 42-year-old man, heavy smoker, who had chronic mesenteric ischemia without particular clinical manifestations till the hospitalization for acute myocardial infarction for which he underwent balloon angioplasty and stenting of the left circumflex coronary artery. Three days later, he experienced acute-on-chronic intestinal ischemia with crescendo clinical manifestations; intra-arterial angiography revealed the presence of a meandering mesenteric artery in a milieu of celiac, superior and inferior mesenteric, and right internal iliac artery occlusion accompanied by a tight stenosis of the left internal iliac artery. Successful stenting of the orifice of the left internal iliac artery was followed by a well-defined dilatation of the meandering artery, revascularization of the peripheral branches of the inferior-through the superior hemorrhoidal artery-and superior mesenteric arteries and complete resolution of the acute mesenteric ischemia. Thus, time was gained for the patient in order to have, if needed, a future elective open revascularization of the mesenteric artery, when the perioperative risk of mortality from the recent myocardial infarction and the coronary angioplasty and stenting will be minimal.

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