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Determination of ventricular ejection fraction: a comparison of available imaging methods. The Cardiovascular Imaging
J A Rumberger1, T Behrenbeck, M R Bell
1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic Rochester, Minnesota 55905, USA.
Insights
Left ventricular ejection fraction (LVEF) is crucial for diagnosing and predicting outcomes in heart disease patients. This review details five imaging techniques for LVEF assessment, outlining their clinical uses, pros, and cons.
Area of Science:
- Cardiology
- Medical Imaging
- Diagnostic Techniques
Background:
- Left ventricular ejection fraction (LVEF) is a key indicator of cardiac function.
- Accurate LVEF measurement is vital for diagnosing and managing heart disease.
- Several imaging modalities exist for assessing LVEF in clinical practice.
Purpose of the Study:
- To review the clinical applications of different imaging techniques for determining LVEF.
- To compare the advantages and disadvantages of each LVEF measurement method.
- To provide a comprehensive overview for clinicians regarding LVEF assessment.
Main Methods:
- Review of five primary imaging techniques: contrast angiography, echocardiography, radionuclide imaging (blood pool and first pass), electron beam computed tomography, and magnetic resonance imaging.
- Discussion of the clinical utility, strengths, and limitations of each modality.
- Comparative analysis of diagnostic accuracy and prognostic value.
Main Results:
- Each imaging technique offers unique benefits and drawbacks for LVEF determination.
- Echocardiography and MRI are frequently used due to accessibility and accuracy.
- Contrast angiography provides precise measurements but is invasive.
Conclusions:
- The choice of imaging technique for LVEF assessment depends on clinical context, patient factors, and resource availability.
- Understanding the nuances of each method is essential for optimal patient care.
- Continued evaluation of imaging technologies is important for advancing cardiovascular diagnostics.
Abstract:
Knowledge of left ventricular ejection fraction has been shown to provide diagnostic and prognostic information in patients with known or suspected heart disease. In clinical practice, the ejection fraction can be determined by using one of the five currently available imaging techniques: contrast angiography, echocardiography, radionuclide techniques of blood pool and first pass imaging, electron beam computed tomography, and magnetic resonance imaging. In this review, we discuss the clinical application as well as the advantages and disadvantages of each of these methods as it relates to determination of ventricular ejection fraction.