Intravascular platelet activation showed a dynamic change before and after PCI, and activation of platelet was positively related to stability of plaque and periprocedural myocardial damage.

• 结论：血小板激活状态与斑块稳定性密切相关，血小板活性在PCI前后有动态改变，与PCI术后心肌损伤相关。