Abstract
Purpose
The study’s purpose was to determine the sensitivity and specificity of contrast-enhanced
multidetector computed tomography (CT) for the detection of coronary artery disease.
Subjects and methods
A search of the literature in all languages was performed incorporating both electronic
and manual components. Manual reference checks of recent reviews and all original
investigations supplemented the electronic searches.
Results
Average sensitivity for patient-based detection of significant (>50% or ≥50%) stenosis
was 61 of 64 (95%) with 4-slice CT, 276 of 292 (95%) with 16-slice CT, and 47 of 47
(100%) with 64-slice CT. Average specificity was 84% for 4-slice CT, 84% for 16-slice
CT, and 100% for 64-slice CT. The sensitivity for a significant stenosis in evaluable
segments was 307 of 372 (83%) with 4-slice CT, 1023 of 1160 (88%) with 16-slice CT,
and 165 of 176 (94%) with 64-slice CT. Average specificity was 93% or greater with
all multidetector CT. Seventy-eight percent of segments were evaluable with 4-slice
CT, 91% with 16-slice CT, and 100% with 64-slice CT. Stenoses in proximal and mid-segments
were shown with a higher sensitivity than distal segments. Left main stenosis was
identified with high sensitivity with all multidetector CT, but sensitivity in other
vessels increased with an increasing number of detectors.
Conclusion
Multidetector CT has the potential to be used as a screening test in appropriate patients.
Contrast-enhanced 16-slice CT seems to be reasonably sensitive and specific for the
detection of significant coronary artery disease but has shortcomings. Preliminary
data with 64-slice CT suggest that it is more sensitive and specific.
Keywords
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Article info
Publication history
Accepted:
June 30,
2005
Received in revised form:
June 30,
2005
Identification
Copyright
© 2006 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
