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Updated: Jun 15, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
[Digital arterial embolization from a previously thrombosed arteriovenous access: a rare and misdiagnosed
Julien Journet1, Huu Tri Bui, Clement Capdevila
1Service de médecine vasculaire, hôpital Robert-Debré, CHU de Reims, rue du Professeur-Kochman, 51092 Reims cedex, France. jjournet@chu-reims.fr
Abstract:
Surgical removal of a hemodialysis access after thrombosis is generally not performed as it remains clinically well tolerated. However, it may be the source of distal embolization. We report the case of a 43-year-old patient, kidney recipient, who presented with digital ischemia of the right hand. He had a forearm arteriovenous fistula at the right wrist which thrombosed 5 years ago. Digital ischemia was due to thrombus formation at the anastomotic site and migration into the downstream arterial bed. Heparine was initiated together with antiplatelet treatment. The ischemia resolved after a few days, no recidive was observed. Surgical ligation of the arteriovenous fistula was rapidly performed and antiplatelet treatment was maintained after surgery. After a follow-up of 6 months, the patient remained asymptomatic without new embolization. This observation underlines the necessity of clinical monitoring after access thrombosis and preventive surgical ligation might be discussed when the risk of distal embolization is high.
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