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Related Experiment Videos

MRI in hypertrophic cardiomyopathy: a morphofunctional study

F Sardanelli1, G Molinari, A Petillo

  • 1Department of Radiology, Genova University, Italy.

Journal of Computer Assisted Tomography
|November 1, 1993
PubMed
Summary

Magnetic resonance imaging (MRI) offers significant value in diagnosing hypertrophic cardiomyopathy (HCM) following initial two-dimensional echocardiography (2dE) and Doppler echocardiography (DE) assessments. MRI provides detailed morphological and functional insights, improving diagnostic accuracy for HCM.

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Area of Science:

  • Cardiovascular Imaging
  • Medical Diagnostics
  • Cardiac MRI

Background:

  • Hypertrophic cardiomyopathy (HCM) diagnosis often relies on echocardiography.
  • Limitations in echocardiography may necessitate advanced imaging techniques.
  • Assessing HCM morphology and function requires precise measurement tools.

Purpose of the Study:

  • To evaluate the diagnostic utility of Magnetic Resonance Imaging (MRI) in hypertrophic cardiomyopathy (HCM).
  • To compare MRI findings with two-dimensional echocardiography (2dE) and Doppler echocardiography (DE).
  • To determine the role of MRI in refining HCM diagnosis after initial echocardiographic evaluation.

Main Methods:

  • Twenty-three patients with a 2dE diagnosis of HCM underwent MRI.
  • MRI included SE sequences for morphology and diastolic wall thickness, and cine MR for functional assessment.

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  • Twelve patients also underwent color (cDE) and continuous wave (cwDE) Doppler echocardiography.

    • Main Results:

    • MRI showed strong correlation with 2dE for septal (r=0.930) and posterolateral (r=0.739) wall thickness.
    • MRI altered hypertrophy distribution assessment in five cases.
    • Cine MR identified dynamic subaortic obstruction in 12/22 patients and mitral regurgitation in 17/22, correlating well with Doppler findings.

    Conclusions:

    • MRI plays a crucial role in diagnosing HCM, complementing 2dE-DE.
    • MRI provides superior morphological and functional data for HCM assessment.
    • Advanced MRI techniques enhance the diagnostic capabilities for complex cardiac conditions like HCM.