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Early treatment of transient focal cerebral ischemia with bovine PEGylated carboxy hemoglobin transfusion

机译:牛PEG化羧基血红蛋白输注治疗短暂性局灶性脑缺血

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The effect of transfusion of PEGylated hemoglobin (PEG-Hb) was evaluated in anesthetized rats subjected to 2 hours of focal cerebral ischemia and 1 day of reperfusion. PEG-Hb was stored in the carboxy state (PEG-COHb) to reduce autooxidation and increase the shelf life. Transfusion of 10 ml/kg of PEG-COHb at 20 minutes of ischemia did not alter arterial blood pressure or increase red cell flux in the ischemic core. Plasma hemoglobin increased to only 0.6 g/dL, yet infarct volume was markedly decreased and neurological deficits were improved. We conclude that early topload transfusion of PEG-COHb protects the brain from ischemic stroke.
机译:在经历2小时局灶性脑缺血和1天再灌注的麻醉大鼠中评估了PEG化血红蛋白(PEG-Hb)的输血效果。 PEG-Hb以羧基状态(PEG-COHb)存储,以减少自氧化作用并延长保质期。在缺血20分钟时输注10 ml / kg的PEG-COHb不会改变动脉血压或增加缺血核心的红细胞通量。血浆血红蛋白仅增至0.6 g / dL,但梗塞体积明显减少,神经功能缺损得到改善。我们得出的结论是,早期的PEG-COHb最高负荷输注可保护大脑免受缺血性中风的侵害。

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