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Related Experiment Videos

Non-coronary cardiac CT imaging.

Pamela K Woodard1, Sanjeev Bhalla, Cylen Javidan-Nejad

  • 1Cardiovascular Imaging Laboratory, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110, USA. woodardp@mir.wwustl.edu

Seminars in Ultrasound, CT, and MR
|March 28, 2006
PubMed
Summary

Cardiac multidetector CT (MDCT) now assesses heart function, including ejection fraction and wall motion. Advances in EKG-gating and imaging techniques enable detailed cardiac analysis beyond just coronary arteries.

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Area of Science:

  • Cardiovascular imaging
  • Medical diagnostics
  • Radiology

Background:

  • Cardiac multidetector CT (MDCT) has evolved from solely anatomical imaging.
  • Recent technological advancements have expanded its functional assessment capabilities.

Purpose of the Study:

  • To highlight the advancements in cardiac multidetector CT (MDCT).
  • To demonstrate the feasibility of assessing cardiac function using MDCT.

Main Methods:

  • Improvements in electrocardiogram (EKG)-gating leading to enhanced temporal resolution.
  • Addition of delayed contrast-enhanced imaging techniques.
  • Advancements in collimation and image reconstruction methods.
  • Utilization of 3D software for surface rendering and multiplanar reconstructions.

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Main Results:

  • MDCT can now assess ejection fraction, ventricular volumes, and myocardial mass.
  • Detection of wall-motion abnormalities is feasible with MDCT.
  • Improved anatomical imaging with thinner collimation and better reconstructions.
  • 3D software provides excellent visualization for surgical planning.

Conclusions:

  • Cardiac MDCT is now a comprehensive tool for both anatomical and functional cardiac assessment.
  • Technological progress has significantly broadened the clinical applications of MDCT in cardiology.