J Korean Soc Vasc Surg.
2010 May;26(1):57-60.
New Operative Treatment of Hyperfunctioning Arteriovenous Fistula for Hemodialysis: A Case Report
- Affiliations
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- 1Department of Surgery, Seoul National University College of Medicine, Seoul, Korea. skminmd@snuh.org
Abstract
- Hyperfunctioning fistulas are rare complications of hemodialysis access. They give rise to devastating complications, including a steal syndrome with reduced perfusion to the dependent limb and cardiac insufficiency caused by the high shunt volume. Numerous techniques such as fistula ligation, banding, plication, T-banding and distal revascularization with interval ligation have been developed. However, each technique bears the potential for its own complications, such as failure to resolve symptoms, recurrence and technical difficulty. Herein, we report a new technique that remedies the shortcomings of the other procedures. All the patients first underwent partial aneurysmal resection and lateral aneurysmorrhaphy of the enlarged vein from just distal to the anastomosis using a 6-0 prolene running sutures and then external wrapping with an 8 mm expanded polytetrafluoroethylene graft was done for a length of approximately 5 cm. Two patients with hyperfunctioning brachiocephalic arteriovenous fistula were treated this way. Doppler measurement of the fistula flow showed a mean flow reduction of about 60%. The procedure was effective and safe, with a mean follow up of 2 months.
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