Objective:To evaluate the clinical meaning of changes of serum levels of neuropeptide Y (NYP), nitric oxide (NO), superoxide dismutase (SOD) and malondialdehy (MDA) before and after thrombolytic therapy for acute myocardial infarction (AMI).

• 目的:探讨急性心肌梗死(AMI)患者溶栓前后血清神经肽Y(NPY)、一氧化氮(NO)、超氧化物歧化酶(SOD)、丙二醛(MDA)的含量变化及临床意义。