Plasma samples were collected simultaneously from the left main coronary artery and coronary sinus for measurement of Lp-PLA2, lysophosphatidylcholine (a product of Lp-PLA2), and C-reactie protein.

• 血浆样本同时从左主冠状动脉和冠状窦中收集来测量脂蛋白相关磷脂酶A2、溶血磷脂胆碱和C反应蛋白。