نتایج جستجو برای: bare metal stents
تعداد نتایج: 219934 فیلتر نتایج به سال:
BACKGROUND Intravascular ultrasound of drug-eluting stent (DES) thrombosis (ST) reveals a high incidence of incomplete stent apposition (ISA) and vessel remodeling. Autopsy specimens of DES ST show delayed healing and hypersensitivity reactions. The present study sought to correlate histopathology of thrombus aspirates with intravascular ultrasound findings in patients with very late DES ST. ...
Biodegradable stents are a promising technological development, as they temporarily support the stenotic blood vessel during its healing period, leaving no obstacle for possible future interventions and avoiding long term side effects of conventional drug eluting stents. Moreover, the biodegradable stent material forms an ideal vehicle for local drug delivery [1]. Finite element computer simula...
Since their commercial introduction in 2003, drugeluting stents (DES) have rapidly altered the management of coronary artery disease. Before their development, the percutaneous management of coronary artery disease was performed predominantly by implantation of bare metal stents (BMS) made of either surgical stainless steel or metal alloys. Although such stents represented a considerable advanc...
Since their commercial introduction in 2003, drugeluting stents (DES) have rapidly altered the management of coronary artery disease. Before their development, the percutaneous management of coronary artery disease was performed predominantly by implantation of bare metal stents (BMS) made of either surgical stainless steel or metal alloys. Although such stents represented a considerable advanc...
S irolimus eluting stents are associated with very low restenosis rates when deployed for single de novo native coronary lesions. These and other drug eluting stents are changing the face of interventional cardiology practice. A number of fundamental practical questions arise with the use of these novel stents, including the effects on in-stent restenosis (ISR) of overlapping stents, tandem ste...
OBJECTIVES We sought to examine the efficacy of paclitaxel-eluting stent implantation in the left anterior descending coronary artery (LAD). BACKGROUND Restenosis and recurrent cardiac events after percutaneous intervention are more common for lesions in the LAD than other native coronary arteries, and often necessitate bypass surgery. Drug-eluting stents may improve the long-term prognosis o...
Background—The patency of arteriovenous (AV) expanded polytetrafluoroethylene (ePTFE) hemodialysis grafts is severely compromised by intimal hyperplasia (IH) at the venous anastomosis and in the venous outflow tract. We addressed the potential of primary placement of a sirolimus-eluting stent (SES) in a validated porcine model. Methods and Results—In 25 pigs, ePTFE AV grafts were created bilate...
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