title: Provisional T-stenting and kissing balloon in the treatment of coronary bifurcation lesions: results of the French multicenter "TULIPE" study.
abstract: BACKGROUND
  In previous prospective studies, a strategy of (a) stenting of the main branch, (b) provisional T-stenting of the side branch, and (c) final kissing balloon inflation, was associated with high success and low target lesion revascularization (TLR) rates on the long-term.
  
  
  OBJECTIVE
  To examine the performance of this strategy in a multicenter study.
  
  
  METHODS
  Consecutive patients were treated at 14 French medical centers for de novo coronary bifurcation lesions with the same technique used. Immediate results and clinically-driven TLR at 7 months were examined.
  
  
  RESULTS
  The mean reference diameters of the main and side branches were 3.2 +/- 0.6 mm and 2.4 +/- 0.5 mm, respectively. The side branch was stented in 34% of patients. A <30% residual stenosis in the main branch was achieved in 99%, <50% in the side branch in 90%, and both in 89% of procedures. The in-hospital major adverse cardiovascular event were a Q-wave and 5 non-Qwaves MI (0.54% and 2.7%). At 7 months of follow-up, 3 patients (1.76%) had died, 1 suffered a non-Q-wave MI (0.59%), and 28 (15.88%) underwent TLR. By multivariate analysis, a lower left ventricular ejection fraction (OR: 0.934), moderate calcifications (OR: 7.86), and non-use of the "jailed" wire technique (OR: 4.26) were associated with reinterventions during follow-up.
  
  
  CONCLUSIONS
  A strategy of provisional T-stenting with a tubular stent and final kissing balloon angioplasty for the treatment of coronary bifurcation lesions was safe and associated with a low TLR rate at 7 months. This strategy should be applicable to the new era of drug eluting stents.
authors.affiliation: Unité de Soins et de Cardiologie Interventionnelle, Nouvelles Cliniques Nantaises, Nantes, France. brunel-phillippe@wanadoo.fr
authors.forename: Philippe
authors.initials: P
authors.lastname: Brunel
authors.forename: Thierry
authors.initials: T
authors.lastname: Lefevre
authors.forename: Olivier
authors.initials: O
authors.lastname: Darremont
authors.forename: Yves
authors.initials: Y
authors.lastname: Louvard
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015906:Angioplasty, Balloon, Coronary / Q000379:methods; D017023:Coronary Angiography; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging / Q000628:therapy*; D005260:Female; D005602:France; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012107:Research Design; D012720:Severity of Illness Index; D015607:Stents; D016896:Treatment Outcome; D014654:Vascular Patency