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目的：观察家兔肝缺血再灌注损伤时氧自由基的动态变化，探讨川芎嗪的保护作用。方法：健康家兔２０只，随机分为对照组（ｎ＝１０），川芎嗪保护组（ｎ＝１０），制备肝缺血再灌注损伤模型。连续观察缺血前、缺血２５ｍｉｎ、再灌注２５ｍｉｎ、再灌注６０ｍｉｎ和再灌注１２?
Objective: To observe the dynamic changes of oxygen free radicals in rabbits with hepatic ischemia-reperfusion injury and to explore the protective effect of ligustrazine. Methods: Twenty healthy rabbits were randomly divided into control group (n = 10) and ligustrazine protection group (n = 10) to prepare a model of hepatic ischemia-reperfusion injury. Continuous observation of ischemia, ischemia 25min, reperfusion 25min, reperfusion 60min and reperfusion 12?