【摘 要】目的 研究同型半胱氨酸与冠心病冠脉狭窄程度的相关性。方法 收集胸痛疑为冠心病患者78例，分为3组。A组冠脉狭窄<50% 者30例，B组冠脉狭窄50～70% 25例，C组狭窄>75% 23例。患者入院均空腹采血，罗氏生化仪检测各样本同型半胱氨酸含量。结果 患者同型半胱氨酸含量随冠脉狭窄程度增强明显升高。结论 同型半胱氨酸与冠状动脉病变严重程度呈正相关，同型半胱氨酸是冠心病的危险因素之一。

    【关键词】冠心病；同型半胱氨酸；冠状动脉狭窄

    Abstract：objective to study the homocysteine and coronary heart disease，coronary artery stenosis degree of correlation.Methods collecting 78 cases of patients with suspected coronary heart disease，chest pain were divided into three groups.30 cases of group A coronary stenosis < 50% ......