64-slice computed tomography coronary angiography: Diagnostic accuracy in the real world

被引：24

作者：

Cademartiri F. ^{[1
,2
,6
]}

Maffei E. ^{[1
]}

Notarangelo F. ^{[1
]}

Ugo F. ^{[1
]}

Palumbo A. ^{[1
]}

Lina D. ^{[1
]}

Aldrovandi A. ^{[1
]}

Solinas E. ^{[1
]}

Reverberi C. ^{[1
]}

Menozzi A. ^{[1
]}

Vignali L. ^{[1
]}

Malagò R. ^{[4
]}

Midiri M. ^{[3
]}

Mollet N.R. ^{[2
]}

Cervellin G. ^{[5
]}

Ardissino D. ^{[2
]}

机构：

[1] Dipartimento di Radiologia e Cardiologia, Azienda Ospedaliero-Universitaria di Parma, 43100 Parma

[2] Dipartimento di Radiologia e Cardiologia, Erasmus Medical Center, Rotterdam

[3] DIBIMEL, Sezione di Scienze Radiologiche, Università di Palermo, Parma

[4] Dipartimento di Radiologia, Università degli Studi di Verona, Verona

[5] Dipartimento di Emergenza, Azienda Ospedaliero-Universitaria di Parma, Parma

[6] 43100 Parma

来源：

La radiologia medica | 2008年 / 113卷 / 2期

关键词：

Conventional coronary angiography; Coronary artery disease; Multislice computed tomography;

D O I：

10.1007/s11547-008-0241-1

中图分类号：

学科分类号：

摘要：

Purpose. This study was done to evaluate the diagnostic accuracy of 64-slice computed tomography coronary angiography (CTCA) for the detection of significant coronary artery stenosis in the real clinical world. Materials and methods. From the CTCA database of our institution, we enrolled 145 patients (92 men, 52 women, mean age 63.4 ± 10.2 years) with suspected coronary artery disease. All patients presented with atypical or typical chest pain and underwent CTCA and conventional coronary angiography (CA). For the CTCA scan (Sensation 64, Siemens, Germany), we administered an IV bolus of 100 ml of iodinated contrast material (Iomeprol 400 mgI/ml, Bracco, Italy). The CTCA and CA reports used to evaluate diagnostic accuracy adopted ≥50% and ≥70%, respectively, as thresholds for significant stenosis. Results. Eleven patients were excluded from the analysis because of the nondiagnostic quality of CTCA. The prevalence of disease demonstrated at CA was 63% (84/134). Sensitivity, specificity and positive and negative predictive values for CTCA on a per-segment, per-vessel, and per-patient basis were 75.6%, 85.1%, 97.6%; 86.9%, 81.8%, 58.0%; 48.2%, 68.1%, 79.6%; and 95.7%, 92.3%, 93.5%, respectively. Only two out of 134 eligible patients were false negative. Heart rate did not significantly influence diagnostic accuracy, whereas the absence or minimal presence of coronary calcification improved diagnostic accuracy. The positive and negative likelihood ratios at the per-patient level were 2.32 and 0.041, respectively. Conclusions. CTCA in the real clinical world shows a diagnostic performance lower than reported in previous validation studies. The excellent negative predictive value and negative likelihood ratio make CTCA a noninvasive gold standard for exclusion of significant coronary artery disease. © 2008 Springer-Verlag.

引用

页码：163 / 180

页数：17

共 29 条

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