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  • Title: "Mesenteric Steal" Physiology as a Cause of Claudication and Chronic Mesenteric Ischemia.
    Author: Mirza AK, Bacharach JM.
    Journal: Ann Vasc Surg; 2018 Aug; 51():329.e1-329.e4. PubMed ID: 29777839.
    Abstract:
    Aortoiliac occlusive disease results in varying degrees of pelvic and lower extremity arterial insufficiency. Treatment approach has evolved, and endovascular therapies are being successfully reported for high-grade lesions. However, Trans Atlantic Inter-Society Consensus D often necessitates open revascularization. Disease limited to the infrarenal segment does not typically affect intestinal perfusion in the absence of visceral aortic or mesenteric vessel involvement. Chronic mesenteric ischemia most commonly occurs due to atherosclerotic disease of 2 or 3 of the mesenteric vessels. The marginal artery of Drummond is an important component of the collateral network that allows for continued intestinal perfusion. We report a case of short-segment subtotal infrarenal aortic occlusion, proximal to the inferior mesenteric artery (IMA) in the absence of significant mesenteric disease. The patient had resultant lifestyle limiting claudication and chronic mesenteric ischemia. Angiographic evaluation demonstrated "mesenteric steal" physiology with retrograde flow via the arc of Riolan and IMA to perfuse the aortoiliac circulation. Successful endovascular recanalization with a balloon-expandable covered stent was achieved, resolving the arterial insufficiency in both the mesenteric and lower extremity vascular beds. The patient denied any symptoms on postoperative day 1 and at 1-month follow-up.
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