RESULTS Both IPC and NEPC could protect myocardial ultra-structure, ameliorate left heart function, decrease cardiac MDA content and protect the activity of catalase.

• 结果经典缺血预处理和去甲肾上腺素预处理均能改善心功能、保护心肌超微结构、保护心肌过氧化氢酶活性。