摘要
目的探讨16层螺旋CT对冠状动脉粥样斑块的诊断价值。方法65例临床诊断为冠心病患者根据临床表现分为二组:急性冠脉综合征(ACS)组和稳定型心绞痛(SAP)组。经16层螺旋CT冠状动脉成像检查及图像后处理,对检出的斑块进行定性分析,并对各种性质斑块所引起的管腔狭窄程度进行分析。结果65例中ACS组46例,软斑块37个,中等密度斑块22个,钙化斑块12个;稳定型心绞痛组19例中软斑块6个,中等密度斑块8个,钙化斑块22个,非钙化斑块与冠心病危险性有明显的相关性(P<0.05);非钙化斑块导致管腔狭窄程度:轻度狭窄15处,中度狭窄16处,重度狭窄42处;而钙化斑块:轻度狭窄18处,中度狭窄10处,重度狭窄6处,不同性质斑块与其导致管腔狭窄程度有明显的相关性(P<0.05);与CAG相比冠状动脉CTA可出现假性狭窄。结论16层螺旋CT冠状动脉成像能够无创、方便快捷对冠状动脉粥样斑块进行定性分析,并能预测冠心病的危险性,可作为冠状动脉疾病筛选的一种优良影像学检查技术。
Objective To evaluate the diagnostic value of 16 -slice spiral computed tomography in coronary atherosclerotic plaque. Methods 65 patients with coronary heart disease （CHD） were divided two groups ： acute coronary syndrome （ACS） and stable angina pectoris （SAP）. All patients were scanned by 16 -slice spiral computed tomography to coronary, and coronary plaques were analyzed qualitatively and degree of lumens stenosis caused by plaque was analyzed. Results There were 46 patients with ACS in 65 cases, and 37 pliable plaques, 22 middle plaques and 12 calcified plaques were detected. There were 19 patients with SAP in 65 cases, 6 pliable plaques, 8 middle plaques and 22 calcified plaques were detected. Spearman correlation coefficient between non - calcified plaques and risk factors of CHD was significant （ P 〈 0.05 ）. Degree of lumens stenosis caused by non - calcified plaques ： it was found 15 segments of light stenosis, 16 segments of middle stenosis, 42 segments of serious stenosis. Degree of lumens stenosis caused by calcified plaques： it was found 18 segments of light stenosis, 10 segments of middle stenosis, 6 segments of serious stenosis. There was good correlation coefficient between nature of plaques and degree of lumens stenosis （ P 〈 0.05）. Compared with coronary angiography （CAG）, there was fake stenosis inl6 - slice spiral computed tomography in coronary. Conclusion 16 - slice spiral computed tomography can qualitatively analyze atherosclerotic plaque and it can be as a good imaging technology of tilting CHD and predicting risk of CHD.
出处
《宁夏医学杂志》
CAS
2007年第9期771-773,共3页
Ningxia Medical Journal
基金
宁夏自然科学基金资助项目(编号:NZ0687)
关键词
螺旋CT
冠状动脉粥样硬化斑块
冠心病
Spiral computed tomography
Coronary atherosclerotic plaque
Coronary heart disease
作者简介
蔡中，男（1963-），宁夏籍，汉族，主任医师，学士学位，从事放射诊断工作。
