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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

Coronary computed tomography angiography---a promising imaging modality in diagnosing coronary artery disease

Shu-Chen Han1, Ching-Chang Fang, Yi Chen

  • 1Department of Radiology, Tainan Municipal Hospital, Tainan, Taiwan, ROC.

Journal of the Chinese Medical Association : JCMA
|May 21, 2008
PubMed

Insights

The 64-slice multislice computed tomography (MSCT) offers reliable noninvasive evaluation of coronary artery lesions. This advanced imaging technique demonstrates high diagnostic accuracy, serving as a viable alternative to invasive coronary angiography (CAG).

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Diagnostics

Background:

  • Coronary artery lesion assessment traditionally relies on invasive coronary angiography (CAG).
  • The diagnostic performance of 64-slice multislice computed tomography (MSCT) for coronary evaluation remains under-investigated.

Purpose of the Study:

  • To evaluate the clinical applicability and diagnostic performance of 64-slice MSCT in coronary angiographic evaluation.
  • To compare the diagnostic accuracy of coronary computed tomography angiography (CCTA) with conventional CAG.

Main Methods:

  • Coronary computed tomography angiography (CCTA) was performed in 345 patients.
  • Concomitant conventional coronary angiography (CAG) was performed in 53 patients for direct comparison.
  • Three independent cardiologists assessed the diagnostic performance of CCTA against CAG for detecting significant coronary lesions.

Main Results:

  • CCTA procedures were completed without complications.
  • In the 53 patients who underwent both CCTA and CAG, CCTA demonstrated high diagnostic values.
  • Sensitivity: 81%, Specificity: 99%, Positive Predictive Value: 87%, Negative Predictive Value: 99% for CCTA in detecting significant lesions.

Conclusions:

  • The 64-slice MSCT enables reliable noninvasive assessment of coronary artery morphology, including plaque and stenosis.
  • MSCT scans exhibit high diagnostic accuracy for detecting coronary lesions.
  • This technology presents a valuable noninvasive imaging substitute for CAG in evaluating coronary segments.
Abstract

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