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外源性腺苷对离体大鼠心肌易颤性的影响 被引量:2

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摘要 目的 研究外源性腺苷对离体大鼠心肌易颤性的影响。方法 采用大鼠离体心脏Langendorff灌流装置 ,分别灌流10μmol和50μmol外源性腺苷。结果 外源性腺苷不能提高心脏缺血、复灌后的室颤阈 (VFT) ;使经过缺血预处理 (IP)的心脏在缺血期的VFT值下降 ;VFT的下降与有效不应期 (ERP)的延长或缩短无一致性。结论 提示外源性腺苷在大鼠心脏不参与IP对心肌的保护作用 ,而且还降低IP在心肌缺血期的抗心律失常作用。
出处 《浙江医学》 CAS 2000年第9期526-528,共3页 Zhejiang Medical Journal
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