首页> 外文期刊>Artificial cells, blood substitutes, and biotechnology >Pharmacodynamic study of polymerized porcine hemoglobin (pPolyHb) in a rat model of exchange transfusion.
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Pharmacodynamic study of polymerized porcine hemoglobin (pPolyHb) in a rat model of exchange transfusion.

机译:聚合猪血红蛋白(pPolyHb)在交换输血大鼠模型中的药效学研究。

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摘要

The objective of the present study is to evaluate the pharmacodynamic properties of polymerized porcine hemoglobin (pPolyHb) in an exchange transfusion model. Each of two groups of rats received a volume of pPolyHb or hetastarch that equalled 120-140% of estimated total blood volume (70 ml/kg) exchange transfusion. The results showed pPolyHb retained hemodynamic stability and exhibited superior volume expansion capability. Furthermore, pPolyHb effectively reverse anaerobic metabolism caused by a large amount of volume exchange. In comparison with hetastarch, pPolyHb increased blood oxygen content and tissue oxygenation. All these properties contribute to a higher effectiveness in sustaining the lives of rats in pPolyHb group.
机译:本研究的目的是评估交换输血模型中聚合猪血红蛋白(pPolyHb)的药效学特性。两组大鼠中的每组都接受了pPolyHb或hetastarch的体积,相当于估计的总血液体积(70 ml / kg)交换输血的120-140%。结果表明,pPolyHb保留了血流动力学稳定性,并具有出色的体积膨胀能力。此外,pPolyHb有效逆转了由于大量体积交换而引起的厌氧代谢。与hetastarch相比,pPolyHb增加了血氧含量和组织氧合。所有这些特性有助于维持pPolyHb组大鼠生命的更高效力。

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