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Cardiac magnetic resonance in hypertrophic and dilated cardiomyopathies

Silvia Pradella1, Giulia Grazzini2, Cristian De Amicis2

  • 1Department of Radiology, Careggi University Hospital, Largo Brambilla 3, 50134, Florence, Italy. pradella3@gmail.com.

La Radiologia Medica
|September 18, 2020
PubMed

Insights

Cardiac magnetic resonance (CMR) is crucial for diagnosing cardiomyopathies. This imaging technique precisely evaluates hypertrophic and dilated forms, identifying fibrosis and tissue changes for accurate diagnosis.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Genetics

Background:

  • Cardiomyopathies are diverse heart muscle diseases with evolving classifications.
  • Genetic advancements increasingly identify disease origins.
  • Imaging modalities are essential for defining cardiomyopathy phenotypes.

Purpose of the Study:

  • To review Cardiac Magnetic Resonance (CMR) features in hypertrophic and dilated cardiomyopathies.
  • To discuss differential diagnoses using CMR.
  • To highlight CMR's role in myocardial tissue characterization.

Main Methods:

  • Review of current literature on CMR in cardiomyopathies.
  • Focus on morphological and tissue characterization sequences.
  • Analysis of CMR findings in hypertrophic and dilated cardiomyopathy.

Main Results:

  • CMR precisely measures wall thickness, ventricular size, and function in hypertrophic cardiomyopathy.
  • CMR detects fibrosis and quantifies myocardial tissue changes (T1 mapping, extracellular volume).
  • CMR is the gold standard for assessing ventricular volumes in dilated cardiomyopathy and reveals myocardial alterations.

Conclusions:

  • CMR is invaluable for characterizing hypertrophic and dilated cardiomyopathies.
  • CMR's tissue characterization capabilities aid in differential diagnosis.
  • CMR provides comprehensive morphological and functional assessment of cardiomyopathies.

Keywords:
Cardiac dilatationCardiac hypertrophyCardiac magnetic resonance (CMR)Late gadolinium enhancement (LGE)MyocardiumT1 mapping

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