نتایج جستجو برای: permanent cardiac ischemia
تعداد نتایج: 401973 فیلتر نتایج به سال:
The incidence of ischemic heart disease (IHD) is increasing worldwide. number patients with IHD or without interventions coming for non-cardiac surgical procedures are increasing. These have an increased risk myocardial ischemia, infarction (MI), conduction disturbances, morbidity, and mortality during the peri-operative period.
OBJECTIVE The histidine-rich Ca-binding protein (HRC) is a Ca-storage protein in cardiac sarcoplasmic reticulum. Recent transgenic studies revealed that this protein inhibits the maximal rates of sarcoplasmic reticulum Ca-transport, leading to cardiac dysfunction. In view of the role of sarcoplasmic reticulum Ca-cycling in myocardial ischemia/reperfusion injury, we designed this study to gain f...
Recent studies have revealed the critical role of microRNAs (miRNAs) in regulating cardiac injury. Among them, the cardiac enriched microRNA-1(miR-1) has been extensively investigated and proven to be detrimental to cardiac myocytes. However, solid in vivo evidence for the role of miR-1 in cardiac injury is still missing and the potential therapeutic advantages of systemic knockdown of miR-1 ex...
Objective(s): According to recent the findings, sulfur dioxide (SO2) is produced by the cardiovascular system, influencing some major biological processes. Based on previous research, SO2 exhibits antioxidant effects and inhibits apoptosis following cardiac ischemia/reperfusion. Therefore, the objective of the current study was to examine the neuroprotective impact of SO2 following global cereb...
The dose-response curve and time window of efficacy for dextrorphan in permanent focal brain ischemia leading to infarction was studied in the rat. With pretreatment, the maximum effective dose of 20 mg/kg reduced the eventual infarct volume by greater than 50%. Delayed drug administration, up to 45 min following permanent middle cerebral artery occlusion, significantly reduced infarct size.
In emergency department, physicians can diagnose pulseless electrical activity, asystole, pericardial effusions, ischemic heart disease, wall motion abnormalities, valvular cardiac disease volume status or global cardiac function evaluating with electrocardiographic findings or using bedside c...
introduction: this study was aimed to investigate the effects of postconditioning by natural honey on cardiac arrhythmias in the ischemic isolated rat heart. methods: male wistar rats were divided into four groups then anesthetized by sodium pentobarbital. the animal hearts were removed and quickly mounted on a langendorff apparatus and perfused under constant pressure by a modified krebs-hense...
Erythropoietin has recently been shown to have effects beyond hematopoiesis such as prevention of neuronal and cardiac apoptosis secondary to ischemia. In this study, we evaluated the in vivo protective potential of erythropoietin in the reperfused rabbit heart following ventricular ischemia. We show that "preconditioning" with erythropoietin activates cell survival pathways in myocardial tissu...
OBJECT To investigate the effect of lung Ischemia-reperfusion injury on cardiac muscle. METHODS SD rats were randomly divided into the following four groups: sham operation group (TS group); experimental control group (TG group); curcumin group (TC group); dexamethasone group (TM group). After 4 h and 24 h of lung ischemia-reperfusion, the cardiac muscle was collected. We measured the concent...
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