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Related Experiment Videos

MRI myocardial tagging.

N Reichek1

  • 1Division of Cardiology, Allegheny General Hospital, and Department of Medicine, MCP-Hahnemann School of Medicine, Pittsburgh, Pennsylvania 15212, USA. reichek@pgh.auhs.edu

Journal of Magnetic Resonance Imaging : JMRI
|November 5, 1999
PubMed
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Magnetic Resonance Imaging (MRI) myocardial tagging is a robust technique for assessing heart muscle contraction. This method provides valuable insights into cardiac function in both healthy individuals and those with various heart conditions.

Area of Science:

  • Cardiovascular Imaging
  • Biomedical Engineering
  • Physiology

Background:

  • MRI myocardial tagging is an established technique for evaluating regional myocardial contraction.
  • Advances in imaging and analytic strategies have created a comprehensive set of methods.
  • Significant understanding of left ventricular systolic and diastolic function in healthy individuals has been achieved.

Purpose of the Study:

  • To review the applications and advancements of MRI myocardial tagging in assessing cardiac function.
  • To highlight the utility of myocardial tagging in understanding normal physiology and disease states.
  • To demonstrate the method's role in evaluating pharmacological treatments and cardiomyopathies.

Main Methods:

  • Utilized one-dimensional, two-dimensional, and three-dimensional analyses of myocardial deformation.

Related Experiment Videos

  • Applied MRI myocardial tagging to study regional function in various cardiac conditions.
  • Incorporated advanced imaging and analytical strategies for detailed assessment.

    • Main Results:

    • Provided insights into normal left ventricular function and early alterations in hypertensive heart disease.
    • Clarified the impact of ischemia, infarction, and subsequent recovery on regional myocardial function.
    • Characterized the effects of pharmacologic agents like ACE inhibitors, beta-blockers, and ARBs on regional function.
    • Enabled reliable assessment of segmental function heterogeneity in cardiomyopathies, particularly hypertrophic cardiomyopathy.
    • Advanced understanding of right ventricular function in hypertrophied hearts, with and without congenital abnormalities.

    Conclusions:

    • MRI myocardial tagging is a powerful tool for detailed assessment of myocardial mechanics.
    • The technique offers significant value in diagnosing and understanding a wide range of cardiac pathologies.
    • Further applications in right ventricular function and complex congenital heart disease are emerging.