Author + information
- Suguru Otsuru,
- Kazushige Kadota,
- Daiji Hasegawa,
- Seiji Habara,
- Takeshi Tada,
- Hiroyuki Tanaka,
- Yasushi Fuku,
- Tsuyoshi Goto and
- Kazuaki Mitsudo
Stent thrombosis (ST) is a rare but serious complication of stent implantation. It has been reported that very late stent thrombosis (VLST) continued to occur up to 5 years after sirolimus–eluting stent (SES) implantation. However, the impact of VLST at the left main trunk (LMT) site after SES implantation remains unclear. Thus, we evaluated the incidence of VLST at the LMT site up to six years after SES implantation.
A total of 2307 patients underwent the first SES implantation between November 2002 and August 2007, whose major adverse cardiac events (all–cause death, acute myocardial infarction, ST, and target lesion revascularization) were investigated by telephone follow–up, examining medical records, and asking family physicians. In this study, we defined ST as definite ST according to the Academic Research Consortium definition.
The figureshows the cumulative incidence of ST with landmark analysis at 1 year. Complete 5–year follow–up was achieved in 98.0% (2260/2307) and complete 6–year follow–up was achieved in 95.5% (1615/1691). Of the 2307 patients, 243 underwent LMT stenting and ST at the LMT site occurred in only one patient within 30 days after SES implantation, whereas the cumulative incidence of ST lasted up to 6 years (30 days, 0.3%; 1 year, 0.5%; 5 years, 1.5%; and 6 years, 1.6%).
VLST continued to occur for a long time after SES implantation. However, as for the LMT site, the incidence of VLST might be lower than that at the non–LMT site.
Poster Sessions, Expo North
Saturday, March 09, 2013, 3:45 p.m.–4:30 p.m.
Session Title: Left Main and Bifurcation Intervention
Abstract Category: 46. TCT@ACC–i2: Coronary Intervention, LM/Bifurcations
Presentation Number: 2105–247
- 2013 American College of Cardiology Foundation