目的：观察含不同剂量维拉帕米和普奈洛尔的钾停搏液对未成年缺血心脏保护效应并与高钾停搏液比较，探讨适宜剂量。

Aim: To explore the appropriate dose of the verapamil and propranolol in kalium cardiaplegia(KVP) by observation of the effect on the function of ischemic immature rat heart and compared with ST.

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结果缺血期间，传统高钾停搏液停搏的心脏舒张力上升217.8%，“钾维普”停搏液停搏的心脏舒张力降低11%。

Results During ischemic period, diastole of the hearts was significantly risen by 217.8% in traditional - potassium group, while diastole of the hearts decreased by 11 percent in "KVP" group.

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