To investigate the protective effects of ligustrazine injection or delayed ischemic preconditioning on rabbit myocardial ischemia-reperfusion injury, and approach its mechanism.

研究川芎嗪注射液、延迟性缺血预处理对兔缺血再灌注损伤心肌的保护作用，并探讨其作用机制。

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The discovery of the phenomenon of ischemic preconditioning has created a new field of research into the prevention and inhibition of myocardial ischemia-reperfusion injury.

心肌缺血预处理现象的发现，为心肌缺血再灌注损伤的预防开拓了一个新的研究领域。

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Objective To observe the delayed protective effects of ramipril on myocardial ischemic-reperfusion injury in isolated rat hearts and explore the possible mechanisms.

目的探讨雷米普利预适应对大鼠离体心脏缺血-再灌注损伤的延迟性保护作用及机制。

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