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Navigator echoes in cardiac magnetic resonance
1Imperial College National Heart & Lung Institute & Royal Brompton and Harefield NHS Trust, London, United Kingdom.
Summary
Navigator echoes in cardiac MRI help monitor breathing for coronary artery imaging. This review explores optimal implementation and utilization of navigator data for improved cardiac magnetic resonance techniques.
Area of Science:
- Cardiovascular Imaging
- Medical Physics
Background:
- Navigator echoes are crucial for respiratory motion monitoring in cardiac magnetic resonance (CMR).
- Their application is particularly beneficial for coronary artery imaging, enabling data acquisition during multiple breath-holds and free breathing.
Purpose of the Study:
- To review the implementation challenges of navigator echoes in CMR.
- To explore the various ways navigator information can be utilized for enhanced imaging.
Main Methods:
- Review of existing literature and techniques for navigator echo implementation in CMR.
- Analysis of the variables influencing navigator echo performance.
- Discussion of data processing and application strategies for navigator information.
Main Results:
- Navigator echoes facilitate reproducible data acquisition in cardiac imaging.
- Optimization of navigator echo application requires addressing numerous variables.
- Navigator data can be leveraged for improved motion compensation and image quality.
Conclusions:
- Further development is needed to establish optimal methods for navigator echo application in CMR.
- Effective utilization of navigator information can significantly enhance cardiac magnetic resonance imaging, especially for coronary arteries.