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目的应用经胸冠脉超声(TTE)检测冠状动脉硬化斑块,探讨2型糖尿病(DM)与冠状动脉病变程度的关系。方法应用TTE检测冠状动脉3支血管,对硬化斑块的形态,检出人数、病变血管数及有无狭窄进行评价,结果与冠脉造影或冠脉CT检查结果对比;并对106例健康体检者冠脉各支血管检出率进行统计。结果 2型DM患者冠脉硬化检出例数、多支病变例数均多于非DM患者,单支病变例数低于非DM患者,单发及多发梗阻性狭窄节段亦高于非DM患者,检测结果与冠脉造影及CT有较高符合率。健康体检者中左前降支、左回旋支及右冠脉检出率分别为97.6%、68.8%、87.2%。结论 TTE可清晰检测出患者的冠状动脉病变情况,2型DM患者更易发生硬化斑块、多支病变及复杂病变。
Objective To investigate the relationship between type 2 diabetes mellitus (DM) and the degree of coronary artery lesion by using transthoracic coronary artery (TTE) to detect coronary atherosclerotic plaque. Methods TTE was used to detect the coronary arteries in 3 vessels. The morphology of plaques, the number of detected lesions, the number of diseased vessels and the presence or absence of stenosis were evaluated. The results were compared with coronary angiography or coronary CT examination. The coronary blood vessels were detected by the rate of statistics. Results The number of coronary atherosclerosis and multivessel disease patients in type 2 DM patients were more than those in non-DM patients, and the number of single vessel lesion was lower than that in non-DM patients. The single and multiple obstructive stenosis segments were also higher than non-DM Patients, test results and coronary angiography and CT have a higher coincidence rate. The positive rate of left anterior descending branch, left circumflex branch and right coronary artery in healthy subjects were 97.6%, 68.8% and 87.2% respectively. Conclusions TTE can clearly detect the coronary artery lesion in patients. Type 2 DM patients are more likely to have sclerous plaque, multi-vessel lesion and complicated lesions.