نتایج جستجو برای: renal ischemia
تعداد نتایج: 319905 فیلتر نتایج به سال:
background: antioxidants such as α-tocopherol (vitamin e) and β-carotene (vitamin a) play an important role in protective effect of repeated brief periods of ischemia, namely ischemic preconditioning (ipc). values of these antioxidants were investigated and compared after induction of ischemia reperfusion (ir) and kidney ipc in both male and female rats. methods: forty eight wistar rats were di...
introduction: during hemorrhagic shock (hs), the kidneys are one of the primary target organs involved. oxidative stress is shown to be enhanced in different models of acute kidney injury (aki). remote ischemic preconditioning (rpc) by brief limb ischemia is considered to be a safe method to protect different organs from further damage. in this study, we investigated the effects of brief hind l...
Cold perfusion through the renal arteries during renal ischemia has been suggested to diminish postoperative renal damage after juxtarenal aortic aneurysm repair. As the kidneys play a key role in dimethylarginine metabolism, which in turn is associated with renal hemodynamics, we hypothesized that the protective effect of cold perfusion is associated with a preserved renal extraction of dimeth...
Combined acute renal and pulmonary failure has a very high mortality. In animals, lung injury develops after shock or visceral or renal ischemia. Alpha-melanocyte-stimulating hormone (alpha-MSH) is an antiinflammatory cytokine, which inhibits inflammatory, apoptotic, and cytotoxic pathways implicated in acute renal injury. We sought to determine if alpha-MSH inhibits acute lung injury after ren...
Renal ischemia as a course of renal transplantation is a common cause of renal dysfunction as renal failure. The purpose of this study was to investigate the influence of ascorbic acid on blood urea nitrogen (BUN), creatinine (Cr) and resistive index (RI) for dog models with renal ischemia-reperfusion (I/R) injury. Renal ischemia was induced on 6 Beagle dogs. The left kidney was exposed to norm...
Ischemic acute renal failure is associated with vascular endothelial dysfunction. We examined whether vasodilatory antihypertensive agents would improve endothelial function in rats with ischemia/reperfusion renal injury. Rat kidneys were isolated and perfused after clipping of the bilateral renal arteries for 45 min and reperfusion for 24 h, and renal perfusion pressure and nitric oxide concen...
Purpose: To investigate the effects of cyclosporine A on renal ischemia-reperfusion injury during transient hyperglycemia in rats. Methods: In a model of ischemia-reperfusion-induced renal injury and transiently induced hyperglycemia by intraperitoneal injection of glucose, 2.5 g.kg-1, Wistar rats were anesthetized with either isoflurane or propofol and received intravenous cyclosporine A, 5...
Combined acute renal and pulmonary failure has a very high mortality. In animals, lung injury develops after shock, or visceral or renal ischemia. -Melanocyte stimulating hormone ( MSH) is an anti-inflammatory cytokine which inhibits inflammatory, apoptotic, and cytotoxic pathways implicated in acute renal injury. We sought to determine if -MSH inhibits acute lung injury following renal ischemi...
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Introduction: Renal ischemia-reperfusion (RIR) may disturb renin-angiotensin system components. In this study, the effects of Mas receptor (A779) and AT2 receptor (PD123319) antagonists were examined in RIR rats. Methods: Total 60 male and female Wistar rats were assigned into 10 groups (n=6 in each group), including sham-operated group, RIR groups treated with the vehicle, A779, PD123319, ...
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