title: Percutaneous modular stent-grafts in the treatment of abdominal aortic aneurysms.
abstract: OBJECTIVE
  To describe a newly designed bifurcated modular stent-graft and assess the feasibility and safety of its use in the treatment of abdominal aortic aneurysms (AAA).
  
  
  METHODS
  Thirteen patients (10 men; mean age 61.2+/-16 years, range 57-78) with AAAs underwent treatment with a bifurcated stent-graft consisting of 4 components: an unsupported bifurcated stent-graft, an inner bare stent, and 2 stent-grafts. The system was placed sequentially through a percutaneously introduced 12-F sheath; the preloaded bifurcated main body of the stent-graft was deployed first, followed by the inner bare stent and individual stent-graft limbs through separate 10-F sheaths. Spiral computed tomography (CT) was performed before treatment and at 1 week, 3 months, and then at 6-month intervals.
  
  
  RESULTS
  The stent-grafts were successfully deployed in all patients, although 3 types of procedure-related adverse events occurred: left limb kinking in 1, postimplantation syndrome (fever, leukocytosis, and decreased platelet count) in 5, and a small access site arteriovenous fistula in 1. Postprocedural angiography and 1-week follow-up CT scanning did not identify any endoleaks. At a mean 9.2+/-4.6-month follow-up, all devices were intact, with complete exclusion of the aneurysms and no endoleaks.
  
  
  CONCLUSIONS
  This newly designed bifurcated modular stent-graft appears to be effective for percutaneous AAA repair; further investigation is warranted.
authors.affiliation: Department of Diagnostic Radiology, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Do Yun
authors.initials: DY
authors.lastname: Lee
authors.forename: Sung-Gwon
authors.initials: SG
authors.lastname: Kang
authors.forename: Donghoon
authors.initials: D
authors.lastname: Choi
authors.forename: Gwang Hoon
authors.initials: GH
authors.lastname: Lee
authors.forename: Munehiro
authors.initials: M
authors.lastname: Maeda
authors.forename: Byung Suk
authors.initials: BS
authors.lastname: Roh
authors.forename: Jae Whan
authors.initials: JW
authors.lastname: Won
authors.forename: Chang Won
authors.initials: CW
authors.lastname: Kim
authors.forename: Eun Sang
authors.initials: ES
authors.lastname: Kim
authors.forename: Ho-Young
authors.initials: HY
authors.lastname: Song
mesh_terms: D000368:Aged; D000497:Alloys; D017544:Aortic Aneurysm, Abdominal / Q000628:therapy*; D019917:Blood Vessel Prosthesis Implantation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011091:Polyesters; D011138:Polytetrafluoroethylene; D011474:Prosthesis Design; D015607:Stents; D016896:Treatment Outcome
chemical_list: D000497:Alloys; D011091:Polyesters; C013616:nitinol; D011138:Polytetrafluoroethylene