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Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation
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Congenital heart disease assessment with 4D flow MRI

Shreyas S Vasanawala1, Kate Hanneman2, Marcus T Alley1

  • 1Department of Radiology, Stanford University, Stanford, California, USA.

Journal of Magnetic Resonance Imaging : JMRI
|February 25, 2015
PubMed

Insights

Four-dimensional (4D) flow MRI offers a fast, comprehensive method for assessing congenital heart disease (CHD) in adults. This advanced technique provides detailed cardiac anatomy, blood flow, and function data, improving patient monitoring.

Area of Science:

  • Cardiovascular Imaging
  • Medical Physics
  • Pediatric Cardiology

Background:

  • Adult congenital heart disease (ACHD) management requires advanced imaging.
  • Magnetic Resonance Imaging (MRI) is crucial for diagnosing and monitoring ACHD.
  • Traditional MRI protocols can be time-consuming and complex.

Purpose of the Study:

  • To provide an overview of MRI evaluation for congenital heart disease (CHD).
  • To highlight the utility of four-dimensional (4D) flow MRI in assessing CHD.
  • To demonstrate 4D flow MRI applications in common CHD conditions.

Main Methods:

  • Volumetric, time-resolved, cardiac-gated 4D flow MRI acquisition.
  • Review of 4D flow data acquisition, correction, and postprocessing techniques.
  • Illustrative examples of CHD cases including tetralogy of Fallot, aortic coarctation, and anomalous pulmonary venous drainage.

Main Results:

  • 4D flow MRI provides a time-varying vector field of blood flow.
  • Simultaneous acquisition of anatomic images alongside flow data.
  • Demonstrated comprehensive assessment of cardiac anatomy and hemodynamics in representative CHD cases.

Conclusions:

  • 4D flow MRI is an emerging, efficient technique for comprehensive CHD assessment.
  • This method yields critical data for diagnosis and monitoring of adult congenital heart disease patients.
  • 4D flow MRI significantly enhances the evaluation of complex congenital heart conditions.

Keywords:
4D flowcardiaccongenitalphase contrasttime-resolved

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