体外循环瓣膜置换术中持续胰岛素泵入的临床应用(3)
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综上所述,体外循环下瓣膜置换术中,持续胰岛素泵入应用可有效地降低血糖,促进缺血心肌对能量物质的摄取及利用,为缺血心肌提供了能量代谢底物;还降低了高血糖加重的心肌缺血再灌注损伤;胰岛素可能通过抑制细胞凋亡、抑制炎性介质生成从而减轻中性粒细胞被活化后造成的心脏微循环的阻塞,减轻了缺血再灌心肌注损伤,起到了良好的心肌保护作用。
[参考文献]
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(收稿日期:2012-04-06 本文编辑:林利利)
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