نتایج جستجو برای: myocardial ischaemia reperfusion injury
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BACKGROUND Although obesity is still considered a risk factor in the development of cardiovascular disorders, recent studies suggested that it may also be associated with reduced morbidity and mortality, the so-called "obesity paradox". Experimental data on the impact of diabetes, obesity and insulin resistance on myocardial ischaemia/reperfusion injury are controversial. Similar conflicting da...
Objective Acute mesenteric ischaemia leads to intestinal damage. Restoration of blood flow results in further damage to tissue, which is called reperfusion injury. This study aimed to investigate the protective effects of short-interval postconditioning and to determine the optimal interval for reperfusion in an experimental rat model of intestinal ischaemia. Methods Forty adult male Wistar rat...
1. Neutrophil accumulation is a characteristic feature of the inflammatory response in myocardial tissue which has undergone a period of ischaemia. The aim of this study was to examine whether inhibition of myocardial neutrophil infiltration, using an antibody to the CD18 leukocyte adhesion molecule, was effective in reducing infarct size in anaesthetized rabbits. 2. Anaesthetized rabbits under...
AIMS Cardiovascular disease and type 2 diabetes mellitus are associated with low plasma concentration of adiponectin. The aim of this study was to investigate whether adiponectin exerts cardioprotective effects during myocardial ischaemia-reperfusion and whether this effect is related to the production of nitric oxide (NO). METHODS AND RESULTS Isolated rat hearts were subjected to 30 min of e...
To define the role of oxygen free radicals and neutrophil involvement in evolving myocardial reperfusion injury, we evaluated the effect of 2-octadecylascorbic acid (CV-3611), a novel free radical scavenger, on neutrophil function and the extent of myocardial damage resulting from 90 min of ischaemia followed by 5 h of reperfusion in an experimental model of myocardial infarction. Dogs were ran...
OBJECTIVES Complement activation is considered an important mediator of myocardial ischaemia/reperfusion (I/R) injury. Although complement inhibitors are highly effective in animals, clinical trials fail to show a substantial benefit in humans. This raises questions on the role of complement activation in human myocardial I/R injury. METHODS Soluble C5b-9, i.e. terminal complement complex, an...
Despite advances in myocardial reperfusion therapies, acute myocardial ischaemia/reperfusion injury and consequent ischaemic heart failure represent the number one cause of morbidity and mortality in industrialized societies. Although different therapeutic interventions have been shown beneficial in preclinical settings, an effective cardioprotective or regenerative therapy has yet to be succes...
Intestinal ischaemia reperfusion (IR) injury is associated with various clinical conditions such as hypovolaemic shock, strangulation-obstruction, cardiovascular surgery, abdominal aortic surgery and small bowel transplantation. IR injury of the intestine is a systemic phenomenon resulting in bacterial translocation, endotoxaemia, acute respiratory distress syndrome and acute hepatic injury cul...
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