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

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Published on: August 28, 2018

Diagnostic performance of multidetector CT angiography for assessment of coronary artery disease: meta-analysis

Piet K Vanhoenacker1, Majanka H Heijenbrok-Kal, Ruben Van Heste

  • 1Department of Radiology and Medical Imaging, OLV Ziekenhuis Aalst, Moorselbaan 164, 9300 Aalst, Belgium. piet@vanhoenacker.be

Radiology
|July 21, 2007
PubMed

Insights

Newer multidetector CT scanners significantly improve diagnostic accuracy for coronary artery disease assessment. These advanced systems also reduce the number of unassessable coronary segments, enhancing diagnostic reliability.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Diagnostics

Background:

  • Coronary artery disease (CAD) remains a leading cause of mortality worldwide.
  • Accurate non-invasive diagnostic tools are crucial for timely intervention.
  • Multidetector computed tomographic (CT) angiography has emerged as a promising imaging modality for CAD assessment.

Purpose of the Study:

  • To systematically review and meta-analyze the diagnostic performance of multidetector CT angiography for symptomatic coronary artery disease.
  • To compare the diagnostic accuracy of different generations of multidetector CT scanners (4-, 16-, and 64-detector).
  • To evaluate the proportion of nonassessable coronary arterial segments across different CT scanner generations.

Main Methods:

  • A comprehensive literature search of PubMed and manual review was conducted for studies published between January 1998 and May 2006.
  • Meta-analysis included 54 studies comparing multidetector CT angiography with conventional coronary angiography.
  • Random-effects models were used to calculate pooled sensitivity, specificity, and diagnostic odds ratios.

Main Results:

  • The 64-detector CT angiography demonstrated the highest pooled sensitivity (0.93) and specificity (0.96) for detecting significant stenosis.
  • Diagnostic performance significantly improved with newer CT scanner generations (16- and 64-detector vs. 4-detector).
  • The proportion of nonassessable coronary segments significantly decreased with advancements in CT technology.

Conclusions:

  • Modern multidetector CT scanners offer significantly improved diagnostic performance for coronary artery disease.
  • Advancements in CT technology have led to a reduction in nonassessable segments, enhancing clinical utility.
  • Multidetector CT angiography is a reliable tool for evaluating symptomatic coronary artery disease.
Abstract

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