Objective:To investigate the changes and relationship of leukotriene B4(LTB4) and matrix metalloproteinase-9(MMP-9) patients in with acute coronary syndrome (ACS) and to explore the potential predictive factor for ACS.

• 目的:观察急性冠状动脉综合征(ACS)患者血浆白三烯B4(LTB4)与基质金属蛋白酶-9(MMP-9)水平的变化及其相关性,探讨其在ACS中可能的临床意义。