RESUMO
Objective To investigate the clinical characteristics of the results of coronary artery CT angiography and coronary artery angiography in 36 patients with probable positive results of treadmill exercise test(TET).Methods Thirty-six patients due to chest pain received 1ET and coronary artery CT angiography and coronary artery angiography in 2 weeks after admission.The coronary plaques were categorized as noncalcified and calcified plaque on CTA images.Results In 36 patients with probable positive results of TET.23 patients were confirmed as coronary artery disease by coronary artery angiography,and the other 13patients had normal coronary artery.Of 23 coronary artery disease patients,9 patients were presented as onevessel disease,5 patients were presented as two-vessel disease,and 9 patients were presented as three-vessel disease,29 non-calcified plaques and 23 calcified plaques were demeted On CTA.Conclusion TET was useful in confirming the diagnosis of coronary artery disease.The characteristics of the coronary artery plaque is correlated with probable positive results of TET.