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Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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Non-contrast-enhanced MR angiography of the abdomen

Mitsue Miyazaki1, Hiroyoshi Isoda

  • 1Toshiba Medical Research Institute, USA, 706N. Deerpath Dr., Vernon Hills, IL 60061, USA. mmiyazaki@tmriusa.com

European Journal of Radiology
|February 19, 2011
PubMed

Insights

Non-contrast-enhanced magnetic resonance angiography (MRA) offers a safer alternative to contrast-enhanced MRA, especially for abdominal imaging. This review highlights MRA techniques for renal arteries and hepatic/portal veins, addressing safety concerns and future advancements.

Area of Science:

  • Radiology
  • Medical Imaging

Background:

  • Gadolinium-based contrast agents are linked to nephrogenic systemic fibrosis (NSF).
  • NSF is a significant concern in abdominal imaging, particularly for patients with renal disease.
  • Non-contrast-enhanced magnetic resonance angiography (MRA) is gaining interest due to safety concerns.

Purpose of the Study:

  • To review non-contrast-enhanced MRA techniques.
  • To focus on abdominal MRA applications, including renal arteries and hepatic/portal veins.
  • To discuss future developments in the field.

Main Methods:

  • Review of various non-contrast-enhanced MRA techniques.
  • Focus on applications in abdominal imaging (renal arteries, portal veins, hepatic veins).
  • Discussion of emerging technologies and challenges.

Main Results:

  • Non-contrast-enhanced MRA is a viable and safer alternative for abdominal imaging.
  • Specific techniques are effective for visualizing renal arteries and hepatic/portal veins.
  • Ongoing developments aim to standardize imaging and overcome challenges.

Conclusions:

  • Non-contrast-enhanced MRA is increasingly important, especially for patients at risk of NSF.
  • Further advancements are expected in standardization, hepatic artery imaging, and 3T applications.
  • This technique provides crucial diagnostic information without the risks associated with contrast agents.

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