Study on the Efficacy of Coronary CTA in the Diagnosis and Evaluation of Critical Coronary Plaque Lesions
Objective To evaluate the efficacy of coronary CT angiography(CTA)in the diagnosis and evaluation of critical coronary artery plaques.Methods A retrospective study was conducted in 90 patients who underwent CTA and coronary angiography(CAG)examination in our hospital from March 2022 to March 2024.CAG was used as the diagnostic gold standard to analyze the diagnosis and evaluate the efficacy of CTA in plaque with critical coronary artery lesions.Results CAG examination showed 805 coronary artery segments in 90 patients,among which 539,48,146,66 and 6 coronary artery segments were found without stenosis,mild,moderate,severe and occlusive lesions.CTA showed no stenosis,mild,moderate,severe and occlusive lesions in 540,47,150,62 and 6 cases,respectively.Using CAG as the gold standard,the sensitivity of CTA in diagnosing coronary artery stenosis was 94.36％(251/266),the specificity was 97.40％(525/539),and the accuracy was 96.40％(776/805).The sensitivity of CTA in the diagnosis of critical coronary artery lesions was 91.78％(134/146),the specificity was 97.57％(643/659),the accuracy was 96.52％(777/805),and the Kappa value of consistency analysis was 0.884,suggesting that CTA had a good consistency in the diagnosis of critical coronary artery lesions.The ROC curve showed that the AUC value was 0.947(95％CI:0.920～0.974).Conclusion CTA has a high diagnostic value in the diagnosis of critical coronary artery disease,and can be used as a screening method for patients without interventional examination and treatment indications.
万方数据
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