نتایج جستجو برای: coronary stent
تعداد نتایج: 218325 فیلتر نتایج به سال:
BACKGROUND Intracoronary stents have been extensively used in percutaneous coronary revascularization. However, despite the breakthroughs and developments associated with this new technology, novel complications and findings have emerged compelling the cardiac surgeon to cope with this new scenario. The presence of an intracoronary foreign body (stent) might induce an inflammatory reaction to t...
Intravascular ultrasound (IVUS) is a useful diagnostic method that provides valuable information in addition to angiography regarding the coronary vessel lumen, dimensions, plaque burden, and characteristics. The major use of IVUS in coronary intervention is to guide interventional strategies and assess optimal stent deployment. Since the introduction of the drug-eluting stent (DES), concerns a...
Over the last three decades, percutaneous coronary intervention (PCI) technology has revolutionized the field of cardiology. PCI began in the form of balloon angioplasty, and was followed by coronary stenting. In-Stent restenosis is the main limitation of coronary stenting, and has been delayed to some extent by the development of drug eluting stents. Coronary angioplasty with stenting is curre...
E756 CMAJ, August 9, 2011, 183(11) © 2011 Canadian Medical Association or its licensors An 82-year-old man presented with fa tigue and was diagnosed with bradycardia, associated with third-degree heart block. The patient had required implantation of bare-metal stents in each of the major epicardial vessels nine years previously, but was currently free of angina. Because of a modest rise in his ...
UNLABELLED A 75-year-old man had a history of triple vessel coronary artery disease. In August 2009, he had undergone successful percutaneous coronary intervention to the left circumflex coronary artery (LCX) for management of an in-stent restenosis (ISR) lesion. However, in September 2010, he began experiencing recurrent episodes of exertional chest pain. Chest radiography showed the left card...
BACKGROUND Although intravascular ultrasound (IVUS) is the present standard for the evaluation of optimum stent deployment, this technique is expensive and not routinely feasible in most catheterization laboratories. Coronary pressure-derived myocardial fractional flow reserve (FFRmyo) is an easy, cheap, and rapidly obtainable index that is specific for the conductance of the epicardial coronar...
OBJECTIVES This study was designed to examine whether or not intramural delivery of ST638 (a specific tyrosine kinase inhibitor) with biodegradable stent can suppress the restenotic changes of the coronary artery in vivo. BACKGROUND Clinical and animal studies demonstrated that restenosis after coronary intervention results from a combined effect of neointimal formation and geometric remodeli...
The development of modern coronary stent platforms has transformed the landscape of interventional cardiology. Contemporary coronary stents are much more deliverable than older-generation stents. However, longitudinal deformation has emerged as a "new" complication in modern coronary stent platforms. Although most reported cases of longitudinal stent deformation involve mechanical or technical ...
BACKGROUND Patients with coronary total occlusions are at especially high risk for restenosis and new revascularizations. Sirolimus-eluting stents dramatically improved the clinical outcome of this subset of patients in randomized trials, but other drug-eluting stents, mainly the everolimus-eluting stent (currently the most frequently used stent), have not yet been evaluated in patients with co...
BACKGROUND The clinical and angiographic demographics of patients requiring unplanned coronary stent deployment and the optimal adjunct pharmacotherapy in this population are not well described. This report details the EPILOG trial experience with unplanned coronary stent deployment and the effect of abciximab platelet glycoprotein IIb/IIIa blockade to improve clinical outcomes during 6 months ...
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