Advances in MRI tagging techniques for determining regional myocardial strain

Area of Science:

• Cardiovascular Imaging
• Medical Physics
• Biomedical Engineering

Background:

• Assessing cardiac mechanical function is crucial for diagnosing and managing heart conditions.
• Traditional methods may not fully capture regional myocardial motion.
• Magnetization tagging in MRI presents a promising non-invasive approach.

Purpose of the Study:

• To review advancements in imaging methods for tagged cardiac MRI.
• To highlight the potential of tagged MRI in assessing cardiac mechanical function.
• To discuss the development of tailored imaging and analysis techniques.

Main Methods:

• Review of current and emerging imaging techniques for cardiac MRI with tagging.
• Discussion of methods to visualize and quantify local heart wall motion.
• Exploration of image analysis strategies for tagged cardiac MRI data.

Main Results:

• Tagged cardiac MRI reveals local motion within the heart wall.
• The technique provides novel quantitative information on cardiac function.
• Progress has been made in developing specialized imaging methods.

Conclusions:

• Tagged cardiac MRI is an evolving technique with significant potential.
• Tailored imaging and analysis methods are key to exploiting its capabilities.
• This approach offers a new perspective on assessing cardiac mechanical function.