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Assessment of Left Ventricular Myocardial Diseases with Cardiac Computed Tomography

Sung Min Ko1, Tae Hoon Kim2, Eun Ju Chun3

  • 1Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea. ksm9723@yahoo.co.kr.

Korean Journal of Radiology
|February 26, 2019
PubMed

Insights

Cardiac computed tomography (CT) offers advanced assessment of left ventricular (LV) myocardial diseases using imaging techniques like cine CT, perfusion, and delayed-enhancement scans. These methods characterize LV morphology, function, and tissue composition, aiding diagnosis and management.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Cardiac CT

Background:

  • Cardiac computed tomography (CT) has rapidly advanced, enabling detailed characterization of the left ventricle (LV).
  • Assessment of LV myocardial diseases traditionally relies on various imaging modalities.

Purpose of the Study:

  • To review current cardiac CT techniques for LV myocardial assessment.
  • To highlight key findings of cardiac CT in various myocardial diseases.
  • To present future applications of cardiac CT in complementing echocardiography and cardiovascular magnetic resonance.

Main Methods:

  • Evaluation of LV anatomical morphology, function, density, and enhancement patterns using cardiac CT.
  • Utilizing multi-phasic cine CT for global LV function and regional wall motion analysis.
  • Employing CT myocardial perfusion imaging for detecting hemodynamically significant coronary artery disease.
  • Using CT delayed-enhancement imaging for myocardial scar detection and extracellular volume fraction measurement.
  • Applying multi-energy cardiac CT for iodine mapping in the myocardium.

Main Results:

  • Cardiac CT enables comprehensive LV myocardial characterization, including morphology, function, and tissue composition.
  • Specific CT techniques identify myocardial scar, assess perfusion deficits, and quantify extracellular volume.
  • Multi-energy CT provides insights into myocardial tissue characteristics through iodine mapping.

Conclusions:

  • Cardiac CT is a versatile tool for diagnosing and characterizing a spectrum of left ventricular myocardial diseases.
  • Advanced CT techniques offer valuable information complementary to echocardiography and cardiovascular magnetic resonance.
  • Future applications promise further integration of cardiac CT into routine cardiovascular assessment.

Keywords:
Computed tomographyDelayed enhancementMyocardial perfusion imagingMyocardium

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