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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 calcium scan acquisition before coronary CT angiography: limited benefit or useful addition?

Felipe S Torres1, Vikram Venkatesh, Elsie T Nguyen

  • 1Postgraduate Studies Program in Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos 2400, 2nd Fl, Porto Alegre, RS, Brazil. felipesoarestorres@gmail.com

AJR. American Journal of Roentgenology
|December 21, 2012
PubMed

Insights

Coronary calcium scans help assess coronary artery disease risk in symptomatic patients. However, routine use before coronary CT angiography requires careful consideration for each individual case.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Preventive Cardiology

Background:

  • Coronary artery disease (CAD) is a leading cause of mortality.
  • Symptomatic patients often undergo advanced imaging for diagnosis.
  • Coronary calcium quantification offers insights into plaque burden.

Purpose of the Study:

  • To review the utility of coronary calcium quantification in symptomatic individuals.
  • To evaluate the advantages and disadvantages of routine unenhanced coronary calcium scans.
  • To determine the role of coronary calcium scans prior to coronary CT angiography.

Main Methods:

  • Literature review of studies on coronary calcium scoring.
  • Analysis of data comparing coronary calcium scans with coronary CT angiography.
  • Discussion of clinical guidelines and expert opinions.

Main Results:

  • Coronary calcium quantification provides prognostic information in asymptomatic and symptomatic populations.
  • An unenhanced coronary calcium scan can refine risk stratification.
  • The incremental value of routine calcium scoring before coronary CT angiography varies.

Conclusions:

  • The decision to perform a coronary calcium scan in symptomatic patients referred for coronary CT angiography should be individualized.
  • A case-by-case assessment is necessary to optimize diagnostic yield and resource utilization.
  • Further research may clarify optimal patient selection criteria.
Abstract

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