Stopped: Due to lack of enrollment.
BACKGROUD: Percutaneous coronary intervention (PCI) is increasingly used to treat unprotected left main coronary artery stenosis. Protected LM PCI is considered standard of care in most centers. OCT allows for precise determination of stent placement, stent expansion and apposition. The pattern of vessel healing can be very precisely studied if immediate post-stent implantation OCT/IVUS data is compared to the 6-month post-PCI interval. While OCT cannot be optimally used for ostial lesion imaging, IVUS can be used to image ostial lesions/stent placement. Optimal and consistent vessel healing is particularly important in LM PCI where stent thrombosis is a potential complication with serious adverse outcome. HYPOTHESIS: Due to the absorption of the polymer of the Boston Scientific Synergy Stent over time, early strut coverage patterns and timeline may be different than previously observed in DES and BMS stents in LM PCI. Late acquired stent malapposition (LASM) is expected to differ from previous observations with traditional DES/BMS. Stent coverage in LM PCI will be studied with OCT or IVUS at six and 12 months and compared to OCT or IVUS at the time of stent implantation. OCT/IVUS data will be analyzed in a core lab (CRF) and correlated with clinical outcomes at 6 and 12 months.
Age range
18 Years
Sex
ALL
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The Stents Analyzed for Strut Coverage in LM Percutaneous Coronary Intervention (PCI)
Timeframe: 3 Months