title: Closure of an iatrogenic aortocoronary arteriovenous fistula: transcatheter balloon embolization following failed coil embolization and salvage of coils that migrated into the coronary venous system.
abstract: We report a 50-year-old patient with successful percutaneous closure of a large inadvertent surgical aortocoronary arteriovenous fistula (shunt flow: 1.8 L/min). With initial embolization of multiple coils, no lasting occlusion of the large fistula could be achieved. Above that, two coils migrated into the coronary venous system. Following rescue of the migrated coils through a retrograde coronary sinus approach, the fistula was occluded using a detachable balloon. Follow-up angiograms confirmed successful closure of the fistula. In contrast to coil embolization, use of a detachable balloon seems to be the appropriate technique for percutaneous closure of such fistulas.
authors.affiliation: Department of Cardiology, Georg-August-Universität Göttingen, Göttingen, Germany.
authors.forename: Lars S
authors.initials: LS
authors.lastname: Maier
authors.forename: Arnd B
authors.initials: AB
authors.lastname: Buchwald
authors.forename: Björn
authors.initials: B
authors.lastname: Ehlers
authors.forename: Klaus
authors.initials: K
authors.lastname: Rühmkorf
authors.forename: Karl H
authors.initials: KH
authors.lastname: Scholz
mesh_terms: D001164:Arteriovenous Fistula / Q000628:therapy*; D002404:Catheterization; D017023:Coronary Angiography; D004621:Embolization, Therapeutic; D005548:Foreign-Body Migration / Q000150:complications*; D006801:Humans; D007049:Iatrogenic Disease; D008297:Male; D008875:Middle Aged; D017211:Treatment Failure