title: Occlusion of M1 segment after superficial temporal artery-middle cerebral artery bypass in a giant M1 aneurysm with Onyx-34 injected via a double-lumen balloon under balloon inflation.
abstract: A 29-year-old patient attended our institution for recurrent strokes related to a giant partially thrombosed M1 aneurysm. Superficial temporal artery-middle cerebral artery (STA-MCA) bypass and subsequent occlusion of both the aneurysm and the dysplastic M1 segment were planned. However, owing to the shortness of the non-dysplastic segment of M1 and the risk of occlusion of the lenticulostriate arteries, the use of a double-lumen balloon was considered for coiling and subsequent injection of Onyx. STA-MCA bypass was performed using a regular technique. Endovascular occlusion of both the aneurysm and the parent artery was subsequently performed by means of coils and Onyx-34 that was injected via the Ascent balloon under balloon inflation. No complications were recorded and no stroke was observed on control MRI. The injection of Onyx-34 through a double-lumen balloon under balloon inflation is a quick and safe technique for precise occlusion of a parent artery.
authors.affiliation: Department of Neuroradiology, Pitié-Salpêtrière Hospital, Paris, France. fredclare5@msn.com
authors.forename: Frédéric
authors.initials: F
authors.lastname: Clarençon
authors.forename: Aurelien
authors.initials: A
authors.lastname: Nouet
authors.forename: Aimée
authors.initials: A
authors.lastname: Redondo
authors.forename: Federico
authors.initials: F
authors.lastname: Di Maria
authors.forename: Christina
authors.initials: C
authors.lastname: Iosif
authors.forename: Lise
authors.initials: L
authors.lastname: Le Jean
authors.forename: Jacques
authors.initials: J
authors.lastname: Chiras
authors.forename: Nader
authors.initials: N
authors.lastname: Sourour
mesh_terms: D000328:Adult; D000800:Angioplasty, Balloon; D006801:Humans; D002532:Intracranial Aneurysm / Q000601:surgery*; D008297:Male; D020768:Middle Cerebral Artery / Q000601:surgery*; D013699:Temporal Arteries / Q000601:surgery*; D016896:Treatment Outcome
keywords: Aneurysm; Balloon