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- W3032209033 abstract "Objective To evaluate the accuracy of dual-source CT (DSCT) in diagnosing the degree of coronary artery stenosis,and compare it with coronary artery angiography (CAG).Methods One hundred patients with suspected coronary heart disease,clinical diagnosis of angina pectoris,myocardial infarction and patients after percutaneous coronary intervention,were given DSCT and CAG examination.The CAG results were considered as the reference standard,and the results of the two examinations were compared.The sensitivity,specificity,positive predictive value and negative predictive value of DSCT in diagnosing coronary artery stenosis (mild ＜ 50％,middle 50％-75％,severe ≥75％) were computed.Results CAG displayed coronary artery 1320 segments,DSCT displayed coronary artery 1287 segments,the appreciable rate was 97.5％.The sensitivity of DSCT in diagnosing mild,middle and severe coronary artery stenosis were 64.4％ (105/163),88.7％ (235/265) and 97.4％ (187/192),specificity all were 99.7％ (617/619),positive predictive value were 98.1％ (105/107),99.2％ (235/237) and 98.9％ (187/189),negative predictive valne were 91.4％ (617/675),95.4％ (617/647) and 99.2％ (617/622).There was significant correlation between DSCT and CAG in diagnosing coronary artery stenosis by Spearman test (P＜ 0.01).Conclusions The results of DSCT have high accordance with CAG in diagnosing coronary artery stenosis.It is a kind of non-invasive examination with low cost,and could reduce the pain of invasive examination.So DSCT is a good choice in diagnosing coronary artery disease.Key words: Coronary disease; Tomography,X-ray computed; Angiography" @default.
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- W3032209033 date "2013-09-05" @default.
- W3032209033 modified "2023-09-25" @default.
- W3032209033 title "Comparative study of dual-source CT and coronary artery angiography in diagnosing coronary artery disease" @default.
- W3032209033 doi "https://doi.org/10.3760/cma.j.issn.1673-4904.2013.25.002" @default.
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