目的：观察肝素涂抹体外循环管道对体外循环肺损伤的保护作用。
ObjectiveTo observe effects of Duraflo I heparin-coated circuits on postperfusion lung injury.
方法13头实验用猪，心脏停跳后取出猪心，低温保存后，利用体外循环机器及其管道建立离体猪心再灌注和做功模型。
Methods First CPB was set up in 13 experimental pigs, then the pig heart was taken out after heart arrest.
方法13头实验用猪，心脏停跳后取出猪心，低温保存后，利用体外循环机器及其管道建立离体猪心再灌注和做功模型。
Methods First CPB was set up in 13 experimental pigs, then the pig heart was taken out after heart arrest.
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