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The diagnostic performance of coronary artery angiography with 64-MSCT and post 64-MSCT: systematic review and meta-analysis Li M; Du XM; Jin ZT; Peng ZH; Ding J; Li LPLoS One 2014[]; 9 (1): e84937PURPOSE: To comprehensively investigate the diagnostic performance of coronary artery angiography with 64-MDCT and post 64-MDCT. MATERIALS AND METHODS: PubMed was searched for all published studies that evaluated coronary arteries with 64-MDCT and post 64-MDCT. The clinical diagnostic role was evaluated by applying the likelihood ratios (LRs) to calculate the post-test probability based on Bayes' theorem. RESULTS: 91 studies that met our inclusion criteria were ultimately included in the analysis. The pooled positive and negative LRs at patient level were 8.91 (95% CI, 7.53, 10.54) and 0.02 (CI, 0.01, 0.03), respectively. For studies that did not claim that non-evaluable segments were included, the pooled positive and negative LRs were 11.16 (CI, 8.90, 14.00) and 0.01 (CI, 0.01, 0.03), respectively. For studies including uninterruptable results, the diagnostic performance decreased, with the pooled positive LR 7.40 (CI, 6.00, 9.13) and negative LR 0.02 (CI, 0.01, 0.03). The areas under the summary ROC curve were 0.98 (CI, 0.97 to 0.99) for 64-MDCT and 0.96 (CI, 0.94 to 0.98) for post 64-MDCT, respectively. For references explicitly stating that the non-assessable segments were included during analysis, a post-test probability of negative results >95% and a positive post-test probability <95% could be obtained for patients with a pre-test probability of <73% for coronary artery disease (CAD). On the other hand, when the pre-test probability of CAD was >73%, the diagnostic role was reversed, with a positive post-test probability of CAD >95% and a negative post-test probability of CAD <95%. CONCLUSION: The diagnostic performance of post 64-MDCT does not increase as compared with 64-MDCT. CTA, overall, is a test of exclusion for patients with a pre-test probability of CAD<73%, while for patients with a pre-test probability of CAD>73%, CTA is a test used to confirm the presence of CAD.|Aged[MESH]|Bayes Theorem[MESH]|Coronary Angiography/methods[MESH]|Coronary Artery Disease/*diagnosis/*diagnostic imaging/pathology[MESH]|Coronary Vessels/*diagnostic imaging/pathology[MESH]|Databases, Bibliographic[MESH]|Humans[MESH]|Male[MESH]|Middle Aged[MESH]|Multidetector Computed Tomography/instrumentation/*statistics & numerical data[MESH]|Sensitivity and Specificity[MESH] |
