title: Aneurysm expansion after stent-graft placement in the absence of endoleak.
abstract: Sixty-three patients with thoracic or abdominal aortic aneurysms were treated with endovascular stent-grafts. No endoleak was identified at any interval of follow-up in 58 patients. In four of them (7%), the aneurysms expanded by 10 mm or more during follow-up and additional interventions were required. Aneurysm expansion was caused by inappropriate sealing at the aneurysmal necks in two patients and transgraft seroma in the other two. Although some aneurysm expansion could be avoided by proper patient selection and accurate placement of stent-grafts, it seems difficult to predict aneurysm expansion in most cases.
authors.affiliation: Department of Radiology, Mie University Hospital, 2-175 Edobashi, Tsu, Mie 514, Japan. kato@mri-gw.medic.mie-u.ac.jp
authors.forename: Noriyuki
authors.initials: N
authors.lastname: Kato
authors.forename: Takatsugu
authors.initials: T
authors.lastname: Shimono
authors.forename: Tadanori
authors.initials: T
authors.lastname: Hirano
authors.forename: Toru
authors.initials: T
authors.lastname: Mizumoto
authors.forename: Tomoaki
authors.initials: T
authors.lastname: Suzuki
authors.forename: Masaki
authors.initials: M
authors.lastname: Ishida
authors.forename: Hideki
authors.initials: H
authors.lastname: Fujii
authors.forename: Isao
authors.initials: I
authors.lastname: Yada
authors.forename: Kan
authors.initials: K
authors.lastname: Takeda
mesh_terms: D000368:Aged; D017544:Aortic Aneurysm, Abdominal / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery*; D017545:Aortic Aneurysm, Thoracic / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery*; D019917:Blood Vessel Prosthesis Implantation / Q000009:adverse effects*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D015607:Stents / Q000009:adverse effects*; D014057:Tomography, X-Ray Computed