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Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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Cardiac-synchronized gadolinium-enhanced MR angiography: preliminary experience for the evaluation of the thoracic

James W Goldfarb1, Agnes E Holland, Frans M J Heijstraten

  • 1Department of Cardiothoracic Surgery, University Hospital Nijmegen, Nijmegen 6564BM, Netherlands. james.goldfarb@chsli.org

Magnetic Resonance Imaging
|March 28, 2006
PubMed

Insights

Gadolinium-enhanced magnetic resonance angiography with cardiac synchronization significantly improves visualization of the thoracic aorta and coronary arteries. This technique reduces motion artifacts, offering superior depiction of the aortic valve and proximal coronary arteries.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Diagnostics

Background:

  • Thoracic aortic disease diagnosis requires high-resolution imaging.
  • Magnetic resonance angiography (MRA) is a key imaging modality.
  • Improving MRA quality for aortic and coronary artery assessment is crucial.

Purpose of the Study:

  • To evaluate the efficacy of gadolinium-enhanced 3D breath-hold magnetic resonance cardiac-synchronized angiography.
  • To compare synchronized MRA with non-synchronized MRA for thoracic aorta and coronary artery imaging.
  • To assess the impact of synchronization on image quality and artifact reduction.

Main Methods:

  • 13 patients with suspected or known thoracic aortic disease underwent gadolinium-enhanced 3D breath-hold MRA.
  • Imaging was performed both with and without cardiac synchronization.
  • MR angiograms were compared for depiction of the aorta, aortic valve, and coronary arteries.

Main Results:

  • High-quality angiograms of the ascending/descending thoracic aorta and coronary arteries were achieved.
  • Cardiac synchronization significantly improved visualization of aortic valve leaflets and proximal coronary arteries.
  • Synchronization effectively reduced motion artifacts, enhancing visualization of the aortic root and proximal coronary arteries.

Conclusions:

  • Gadolinium-enhanced cardiac-synchronized MRA is a valuable tool for evaluating thoracic aortic disease.
  • This technique offers superior image quality compared to non-synchronized MRA.
  • Cardiac synchronization enhances the diagnostic accuracy for aortic valve and coronary artery assessment.

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