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Related Experiment Videos

MR coronary angiography using 3D-SSFP with and without contrast application.

Anja Zagrosek1, Ralph Noeske, Hassan Abdel-Aty

  • 1Franz-Volhard-Klinik, Helios-Klinikum Berlin, Kardiologie, Charité Campus Berlin-Buch, Humboldt-Universität zu Berlin, Berlin, Germany. zagrosek@fvk.charite-buch.de

Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance
|December 16, 2005
PubMed
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Magnetic Resonance Coronary Angiography using a 3D-SSFP technique effectively visualizes coronary arteries. Contrast agents like Gadolinium-DTPA did not significantly improve overall performance in this study.

Area of Science:

  • Cardiovascular Imaging
  • Medical Physics
  • Radiology

Background:

  • Magnetic Resonance Coronary Angiography (MRCA) is crucial for non-invasive assessment of coronary arteries.
  • Breath-hold 3D Steady-State Free Precession (SSFP) sequences offer potential for rapid cardiac imaging.

Purpose of the Study:

  • To compare contrast-enhanced versus non-contrast 3D-SSFP sequences for MRCA.
  • To evaluate the impact of Gadolinium-DTPA on image quality and performance.

Main Methods:

  • A breath-hold 3D-SSFP sequence was applied in seven healthy subjects and 14 patients.
  • Coronary segment visibility, vessel length, and image quality were assessed.
  • The influence of Gadolinium-DTPA was evaluated.

Main Results:

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  • The 3D-SSFP sequence performed better in healthy subjects than in patients.
  • Gadolinium-DTPA increased the contrast-to-noise ratio of the right coronary artery.
  • Overall performance was not significantly improved by contrast administration.

Conclusions:

  • 3D-SSFP techniques can depict significant portions of the coronary arteries.
  • Contrast application is not essential for achieving diagnostic image quality with this technique.