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  • Title: A new endovascular technique for the treatment of dialysis-associated steal syndrome.
    Author: Ascher E, Mandel JE, Marks NA, Hingorani AP.
    Journal: Vascular; 2018 Jun; 26(3):335-337. PubMed ID: 29117811.
    Abstract:
    Background Dialysis access-associated steal syndrome is a major complication of arteriovenous fistula creation whereby the low-resistance venous conduit shunts arterial inflow through the anastomosis, resulting in clinically significant distal artery insufficiency. Herein, we describe a case of severe steal phenomenon with gangrene of a digit following placement of an arteriovenous fistula that was treated with a novel, entirely endovascular technique. To our knowledge, this was the first totally endovascular approach to dialysis access-associated steal syndrome. Methods Catheterization of the right subclavian, axillary, and brachial arteries was performed. A short 5-Fr sheath was exchanged for a long destination 6-Fr sheath and placed in the proximal brachial artery. An arteriogram showed no stenosis of the arterial system, but did show substantial steal phenomenon with inflow to the arteriovenous fistula, instead of the forearm. We placed a stent graft in the brachial artery across the anastomosis such that the graft covered 3/4 of the length of the opening of the anastomosis. Results Immediately after placement of the stent graft the clinical picture improved dramatically. Patient was followed for 15 months after this procedure until her demise for unrelated causes without ever experiencing dialysis access-associated steal syndrome and with a patent and functional arteriovenous fistula. Conclusion We present a patient with severe dialysis access-associated steal syndrome complicated by third fingertip gangrene, which was successfully treated using a completely endovascular technique. This novel endovascular approach enabled a high-risk patient to avoid open surgery, preserve her limb, and maintain the function of her arteriovenous fistula.
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