نتایج جستجو برای: normobaric hyperoxia
تعداد نتایج: 3947 فیلتر نتایج به سال:
OBJECT The effect of normobaric hyperoxia (fraction of inspired O2 [FIO2] concentration 100%) in the treatment of patients with traumatic brain injury (TBI) remains controversial. The aim of this study was to investigate the effects of normobaric hyperoxia on five cerebral metabolic indices, which have putative prognostic significance following TBI in humans. METHODS At two independent neuroi...
Introduction: A large body of evidence points to oxidative stress as prime candidate mediating the behavioral impairments and memory deficits in Alzheimer's disease (AD). It has been demonstrated that hyperoxia preconditioning activates complex endogenous neuroprotective mechanisms including an increase in capacity of antioxidant defence mechanisms. The aim of this study was to investigate the ...
introduction: a large body of evidence points to oxidative stress as prime candidate mediating the behavioral impairments and memory deficits in alzheimer's disease (ad). it has been demonstrated that hyperoxia preconditioning activates complex endogenous neuroprotective mechanisms including an increase in capacity of antioxidant defence mechanisms. the aim of this study was to investigate...
objective: recent studies suggest that intermittent and prolonged normobaric hyperoxia (ho) results in ischemic tolerance to preventing ischemia brain injury. in this research attempts were made to see the changes in excitatory amio-acid transporter 3 (eaat3), tnf-α levels, and nf-κb activity following prolonged and intermittent nbho preconditioning. materials and methods: rats were divided i...
Oxygen is indispensable for all aerobic organisms and has become one of the most widely used therapeutic agents. Currently, oxygen not only is applied in the treatment of diseases, but becomes a modality for the prevention of some diseases. Hyperoxia preconditioning with normobaric or hyperbaric oxygen has been found to be protective in some diseases in several animal models and clinical trial...
Abstract Introduction: Resent studies have been shown beneficial effects of hyperoxia pretreatment against ischemia-reperfusion injury in different organs. The aim of the present study was to investigate early and late effects of normobaric hyperoxia (≥95% O2) pretreatment on ischemia-reperfusion injuries in isolated rat hearts. Methods: Following 60 and 180 minutes of hyperoxia, rat hearts w...
The most common pediatric mitochondrial disease is Leigh syndrome, an episodic, subacute neurodegeneration that can lead to death within the first few years of life, for which there are no proven general therapies. Mice lacking the complex I subunit, Ndufs4, develop a fatal progressive encephalopathy resembling Leigh syndrome and die at ≈60 d of age. We previously reported that continuously bre...
BACKGROUND Supratentorial pneumocephalus after posterior fossa surgery in the semisitting position may lead to decreased alertness and other symptoms. We here aimed to prove the efficacy of normobaric hyperoxia on the absorption of postoperative pneumocephalus according to a standardized treatment protocol. METHODS AND FINDINGS We enrolled 44 patients with postoperative supratentorial pneumoc...
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