title: Early experience with Ovation endograft system in abdominal aortic disease.
abstract: OBJECTIVE
  We describe our initial experience with the use of the TriVascular Ovation endograft system for the treatment of abdominal aortic aneurysms (AAA).
  
  
  METHODS
  We retrospectively reviewed data from patients treated for AAA using the Ovation endograft at two institutions from January 2011 to September 2012. Main outcomes included primary success, survival, complications, and device-related events. The mean follow-up period was 10 months (range 1-22 months).
  
  
  RESULTS
  Thirty-seven patients (male: 95%, mean age: 76 yr) were treated for AAA (mean diameter: 54 mm) with the Ovation endograft. Local or regional anesthesia was used in 86.5% of cases. Percutaneous access was utilized in 73% of cases. Primary success was 89.2% (33/37). Four adjunctive procedures were required including two distal extensions (type 1b endoleak and iliac limb disconnection resulting in type III endoleak) and two bypass surgeries (limb graft occlusion and gate cannulation failure). No deaths or major complications were reported during the procedure or in follow-up. No type I, III, or IV endoleak, AAA enlargement, AAA rupture, stent fracture, migration, or endovascular or surgical reintervention were reported during the follow-up period. Type II endoleak was observed in two patients. Asymptomatic narrowing of both iliac limbs was observed in one patient at 6 months.
  
  
  CONCLUSIONS
  Our initial experience with the Ovation endograft demonstrated encouraging results in patients with AAA.
authors.forename: Giovanni
authors.initials: G
authors.lastname: Nano
authors.affiliation: First Unit of Vascular Surgery, IRCCS Policlinico San Donato, University of Milan, Piazza E, Malan, 1, 20097 San Donato Milanese, MI, Italy. danymazzak83@libero.it.
authors.forename: Daniela
authors.initials: D
authors.lastname: Mazzaccaro
authors.forename: Silvia
authors.initials: S
authors.lastname: Stegher
authors.forename: Maria Teresa
authors.initials: MT
authors.lastname: Occhiuto
authors.forename: Giovanni
authors.initials: G
authors.lastname: Malacrida
authors.forename: Domenico G
authors.initials: DG
authors.lastname: Tealdi
authors.forename: Antonino
authors.initials: A
authors.lastname: Alberti
authors.forename: Pietro
authors.initials: P
authors.lastname: Volpe
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D017544:Aortic Aneurysm, Abdominal / Q000601:surgery*; D001807:Blood Vessel Prosthesis; D019917:Blood Vessel Prosthesis Implantation / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D015607:Stents