نتایج جستجو برای: eluting stents
تعداد نتایج: 19304 فیلتر نتایج به سال:
INTRODUCTION AND OBJECTIVES Initial preclinical studies are required during the process of improving polymers, platforms, and drug-eluting systems for new coronary stent designs. Our objective was to analyze the efficacy and safety of new drug-eluting stent models compared with a conventional stent and commercialized drug-eluting stents in an experimental model with healthy porcine coronary art...
BACKGROUND Recent data have suggested that patients with coronary disease in large arteries are at increased risk for late cardiac events after percutaneous intervention with first-generation drug-eluting stents, as compared with bare-metal stents. We sought to confirm this observation and to assess whether this increase in risk was also seen with second-generation drug-eluting stents. METHOD...
Finding accurate methods to be employed for the treatment of esophageal cancers is of especial interest for researchers, due to the sensitivity of this tissue. Recently radioactive stents loaded with I-125 brachytherapy seeds have been widely investigated for the treatment of advanced esophageal cancer. It is necessary to investigate the dose distribution of any radioactive esophageal stents be...
INTRODUCTION AND OBJECTIVES To compare the 3-year incidence of major events in patients with bifurcation lesions treated with provisional sirolimus-eluting stents vs everolimus-eluting stents. METHODS A pooled analysis of 2 prospective randomized trials with similar methodology (SEAside and CORpal) was performed. In these trials, 443 patients with bifurcation lesions were randomly assigned to...
Background—Drug-eluting stents significantly improved angiographic and clinical outcomes compared with bare metal stents in diabetic patients. However, a comparison of everolimus-eluting stents and sirolimus-eluting stents in diabetic patients has not been evaluated. Therefore we compared effectiveness of everolimus-eluting stents and sirolimus-eluting stents in patients with diabetes mellitus....
Intravascular ultrasound studies were performed at angiographic follow-up on 121 native coronary lesions treated with 1 bare metal stent (n = 50), high-dose dexamethasone-eluting stents (n = 18), non-polymer-based paclitaxel-eluting stents (n = 18), or sirolimus-eluting stents (n = 35). Paclitaxel- and sirolimus-eluting stents reduced mean intimal hyperplasia thickness compared with bare metal ...
INTRODUCTION AND OBJECTIVES We sought to compare the long-term clinical outcome of with ST-segment elevation myocardial infarction treated with paclitaxel-eluting stents or everolimus-eluting stents and the influence of thrombectomy on outcomes. METHODS The ESTROFA-IM is a multicenter retrospective registry collecting consecutive patients with infarction treated with these stents in 16 center...
Previous research from our group has demonstrated arsenic trioxide eluting stents significantly reduced neointimal area and thickness compared with bare metal stents. In the present study, the anti-inflammatory effects of arsenic trioxide in vitro and arsenic trioxide eluting stents in a porcine coronary model have been explored. Sixty-five pigs underwent placement of 139 oversized stents in th...
BACKGROUND Fast post-implantation stent endothelialization is desirable for theoretically reducing the possibility of stent thrombosis. OBJECTIVE To evaluate the extent of sirolimus-eluting stent strut endothelialization (delivered from the luminal and abluminal aspects or abluminal aspect only) in the iliac arteries of rabbits. METHODS The iliac arteries of 10 rabbits were implanted with f...
BACKGROUND There is evidence that endothelial coverage of drug-eluting stents might be delayed or absent, a risk factor for late thrombotic events. We studied the effects of different drug-polymer-device iterations on endothelium-dependent coronary vasomotion. Systemic markers of endothelial inflammation were correlated with coronary vasomotor changes. METHODS AND RESULTS Patients with paclit...
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