1. 目的评价含钾血持续和冷氧合血间歇灌注心肌保护方法的效果差异。
Objective To evaluate the difference in myocardial protection of continuous potassic warm oxygenated blood perfusion compared with intermittent potassic cold oxygenated blood perfusion.

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2. 目的观察含钾氧合血持续和冷氧合血间歇灌注心肌保护方法应用于先天性心脏病直视手术的疗效。
Objective To observe the therapeutic effect of continuous warm potassium containing blood cardioplegia (warm group) and intermittent cold blood cardioplegia (cold group) in open heart surgery.

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3. 目的观察含钾氧合血持续和冷氧合血间歇灌注心肌保护方法应用于先天性心脏病直视手术的疗效。
Objective To observe the therapeutic effect of continuous warm potassium containing blood cardioplegia (warm group) and intermittent cold blood cardioplegia (cold group) in open heart surgery.

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