Radiation Dose and Safety in Cardiac Computed Tomography

Thomas C. Gerber, Birgit Kantor, Cynthia H. McCollough

Research output: Contribution to journalReview articlepeer-review

37 Scopus citations

Abstract

As a result of the changes in use of imaging procedures that rely on ionizing radiation, the collective dose has increased by over 700%, and the annual per-capita dose by almost 600% in recent years. It is possible that this growing use may have significant effects on public health. Although uncertainties exist related to the accuracy of estimated radiation exposure and biologic risk, there are measures that can be taken by the referring and the performing health care provider to reduce the potential risks while maintaining diagnostic accuracy. This article reviews the existing data regarding biologic hazards of radiation exposure associated with medical diagnostic testing, the methodologies used to estimate radiation exposure and dose, and the measures that can be taken to effectively reduce that exposure.

Original languageEnglish (US)
Pages (from-to)665-677
Number of pages13
JournalCardiology clinics
Volume27
Issue number4
DOIs
StatePublished - Nov 2009

Keywords

  • Computed tomography
  • Coronary angiography
  • Coronary artery disease
  • Imaging
  • Ionizing radiation
  • Patient outcomes
  • Radiation risks
  • Risk/benefit assessment

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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