title: A novel self-expanding interwoven nitinol stent for complex femoropopliteal lesions: 24-month results of the SUPERA SFA registry.
abstract: OBJECTIVE
  To examine the efficacy and integrity of a novel interwoven self-expanding nitinol stent system for the treatment of complex femoropopliteal lesions in a "real world" medical practice.
  
  
  METHODS
  This retrospective analysis included 107 consecutive patients (77 men; mean age 68.9 years) with atherosclerotic femoropopliteal lesions (occlusions in 31%) who underwent implantation of 137 SUPERA stents. The patients were followed for up to 24 months by Doppler ultrasound examinations, radiography of the stent, and assessments of Rutherford-Becker class and ankle-brachial index (ABI).
  
  
  RESULTS
  The mean implanted stent length was 111±50 mm (range 40-270). Procedure success (residual stenosis <30%) was achieved in 99% of procedures. The 6-, 12-, and 24-month cumulative primary patency rates (± standard error) were 93.1%±2.5%, 84.7%±3.6%, and 76.1%±4.5%, respectively, and the secondary patency rates were 99.0%±0.1%, 94.8%±0.2% and 91.9%±0.3%, respectively. Between baseline and 24 months, mean ABI increased from 0.68±0.14 to 0.87±0.10 and the mean Rutherford-Becker class decreased from 3.3±0.7 to 2.0±1.0 (p<0.0001 for both). Radiographs performed in 91 patients at a mean of 16.8±7.0 months found no stent fractures.
  
  
  CONCLUSIONS
  Over a 2-year surveillance period, excellent durability without stent fractures was documented after implantation of the SUPERA stent in complex femoropopliteal lesions. In addition, significant improvements were observed in symptom classification and hemodynamics.
authors.affiliation: Center for Vascular Medicine, Angiology, and Vascular Surgery, Park Hospital Leipzig, Germany. Dierk.scheinert@parkkrankenhaus-leipzig.de
authors.forename: Dierk
authors.initials: D
authors.lastname: Scheinert
authors.forename: Lars
authors.initials: L
authors.lastname: Grummt
authors.forename: Michael
authors.initials: M
authors.lastname: Piorkowski
authors.forename: Jacqueline
authors.initials: J
authors.lastname: Sax
authors.forename: Susanne
authors.initials: S
authors.lastname: Scheinert
authors.forename: Matthias
authors.initials: M
authors.lastname: Ulrich
authors.forename: Martin
authors.initials: M
authors.lastname: Werner
authors.forename: Yvonne
authors.initials: Y
authors.lastname: Bausback
authors.forename: Sven
authors.initials: S
authors.lastname: Braunlich
authors.forename: Andrej
authors.initials: A
authors.lastname: Schmidt
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000497:Alloys; D005260:Female; D005263:Femoral Artery / Q000473:pathology*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D058729:Peripheral Arterial Disease / Q000628:therapy*; D011150:Popliteal Artery / Q000473:pathology*; D011474:Prosthesis Design; D012189:Retrospective Studies; D015607:Stents; D016896:Treatment Outcome
chemical_list: D000497:Alloys; C013616:nitinol