定义：冠状动脉性心脏病（coronary artery heart disease CHD）简称冠心病，是一种最罕见的心脏病，是指因冠状动脉狭窄、供血不足而引起的心肌机能障碍和(或)器质性病变，。
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Coronary artery calcification (CAC) is an important characteristic of coronary heart disease (CHD), which is also an earlier sign of atherosclerosis.
冠状动脉钙化(CAC)是冠状动脉粥样硬化形成的早期特征，是冠心病(CHD)的重要特点。
Context The coronary artery calcium score (CACS) has been shown to predict future coronary heart disease (CHD) events.
冠状动脉钙评分已经被用来预测未来冠心病事件。
Objective to approach the risk factors and coronary lesions characteristics of coronary heart disease (CHD), and the relationship between the risk factors and the severity of coronary artery lesions.
目的探讨冠心病(CHD)患者的发病危险因素、冠状动脉病变特点，及危险因素与冠状动脉病变程度间的关系。
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