title: A Single Center Experience with Coil Embolization for Cerebral Aneurysms Greater than 10 mm in the Internal Carotid Artery.
abstract: We investigated endovascular treatment for 10 mm or larger aneurysms in the internal carotid artery (IC), including the cavernous portion, the paraclinoid portion, and the posterior communication artery (PC). Between 2011 and 2014 at our hospital, there were 35 cases of aneurysms that were 10 mm or larger in the carotid artery. We analyzed these 35 cases retrospectively based on the size and location of the aneurysms, method of treatment, number of coils implanted, use of a stent, complications, rupture after treatment, ophthalmologic symptoms, and need for re-treatment. There was no bleeding after treatment. Of the 35 cases, four cases (11%) had permanent complications. Re-treatment was indicated in 11 cases (31%), including eight cases localized in the paraclinoid portion, two cases in the IC-PC, and one case in the cavernous portion. Among these re-treatment cases, two cases required a third treatment. Of the 16 cases with paraclinoid aneurysms, half required re-treatment. Of the 12 cases with ophthalmologic symptoms prior to treatment, 9 (75%) improved or had no change and 3 (25%) became worse. There were no complications in the 13 re-treatment procedures. Re-treatment is not uncommon, and a scheduled follow-up is needed. Coil embolization has been one of the main options for aneurysms that are 10 mm or larger in the IC. In the future, these large aneurysms will be treated with a flow diverter stent (FD).
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Kensuke
authors.initials: K
authors.lastname: Suzuki
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Ryotaro
authors.initials: R
authors.lastname: Suzuki
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Tomoji
authors.initials: T
authors.lastname: Takigawa
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Shimizu
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Yoshiyuki
authors.initials: Y
authors.lastname: Matsumoto
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Yoshiko
authors.initials: Y
authors.lastname: Fujii
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Yuki
authors.initials: Y
authors.lastname: Inoue
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Yoshiki
authors.initials: Y
authors.lastname: Sugiura
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Koji
authors.initials: K
authors.lastname: Hirata
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Kyoji
authors.initials: K
authors.lastname: Tsuda
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Yosuke
authors.initials: Y
authors.lastname: Kawamura
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Issei
authors.initials: I
authors.lastname: Takano
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Ryuta
authors.initials: R
authors.lastname: Nakae
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Masaya
authors.initials: M
authors.lastname: Nagaishi
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Yoshihiro
authors.initials: Y
authors.lastname: Tanaka
authors.affiliation: Department of Neurosurgery, Dokkyo Medical University Koshigaya Hospital.
authors.forename: Akio
authors.initials: A
authors.lastname: Hyodo
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002343:Carotid Artery, Internal; D004621:Embolization, Therapeutic; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000473:pathology* / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D016896:Treatment Outcome
keywords: coil embolization; large aneurysm; re-treatment