The changes of plasma neuropeptide Y(NPY) level were observed by RLA methodin 21 patients with acute myocardial infarction (AMI) and 19 patients with angina pectoris (AP) according to the diagnosis index of WHO.

• 选择符合WHO诊断标准的急性心肌梗塞(AMI)21例；心绞痛(AP)19例；应用放射免疫法动态观察血浆神经肽Y(NPY)含量变化；并以21例正常人作对照.