نتایج جستجو برای: sirolimus
تعداد نتایج: 12687 فیلتر نتایج به سال:
BACKGROUND Drug-eluting stents have improved the efficacy of percutaneous coronary intervention and made it the preferred therapy in the treatment of ischemic heart diseases including acute coronary syndromes. The objective of the study was to compare the clinical efficacy and safety of sirolimus-eluting stent with that of zotarolimus-eluting stent following percutaneous coronary intervention f...
BACKGROUND Activation of the mTOR pathway has been implicated in the mediation of the progression of polycystic kidney disease (PKD). Whereas targeted inhibition of mTOR has been proven to be effective in various animal models of autosomal dominant PKD, its efficacy in autosomal recessive PKD (ARPKD) remains to be elucidated. We examined the effects of sirolimus in PCK rats, an orthologous anim...
BACKGROUND Autosomal dominant polycystic kidney disease (ADPKD) is characterized by dysregulated tubular epithelial cell growth, resulting in the formation of multiple renal cysts and progressive renal failure. To date, there is no effective treatment for ADPKD. The mammalian target of rapamycin (mTOR) is an atypical protein kinase and a central controller of cell growth and proliferation. We e...
BACKGROUND The use of sirolimus-eluting coronary stents has been associated with a nearly complete elimination of restenosis at 6 months and with a very low 1-year incidence of major adverse cardiac events (MACE). This analysis examined whether these beneficial effects persist over the longer term. METHODS AND RESULTS This multicenter trial randomly assigned 238 patients to revascularization ...
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 Despite recent advances in interventional cardiology, including the introduction of drug-eluting stents for de novo coronary lesions, the treatment of in-stent restenosis (ISR) remains a challenging clinical issue. Given the efficacy of systemic sirolimus administration to prevent neointimal hyperplasia in animal models and to halt and even reverse the progression of allograft vascul...
BACKGROUND Improved outcomes in patients with diabetes mellitus undergoing percutaneous coronary intervention remain an unmet clinical need. We assessed the long-term efficacy and safety of novel polymer-free sirolimus- and probucol-eluting stent in diabetic patients enrolled in intracoronary stenting and angiographic results: test efficacy of sirolimus- and probucol-eluting versus zotarolimus-...
Many kidney transplant patients experience an increase in proteinuria when converted from a calcineurin inhibitor-based regimen to one based on a mammalian target of rapamycin (mTOR) inhibitor, and preexisting proteinuria and poor renal function have been identified as risk factors for this increase. Our aim was to evaluate the effect of sirolimus, an mTOR inhibitor, on renal function and histo...
CONTEXT In patients with de novo coronary lesions, drug-eluting stents have drastically reduced restenosis risk compared with bare metal stents and conventional balloon angioplasty. It is less clear whether drug-eluting stents are superior to conventional balloon angioplasty for the treatment of patients with in-stent restenosis. OBJECTIVES To assess if drug-eluting stents are a more effectiv...
the subject of transplant immunosuppression has generated significant interest in recent years. excellent immunosuppression, advances in surgical technique, post-transplantation care, and infection control have resulted in excellent outcomes. there is widespread support for the notion that the fundamental objective in transplant immunology should be the achievement of specific graft tolerance. ...
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