Centerline calculation for extracting abdominal aorta in 3-D MRI images

Area of Science:

• Medical imaging analysis
• Cardiovascular diagnostics
• Biomedical engineering

Background:

• Abdominal aorta examination aids cardiovascular disease diagnosis.
• Aortic stiffness, measured by pulse wave velocity (PWV), estimates cardiovascular health.
• Accurate abdominal aorta length is crucial for PWV calculation.

Purpose of the Study:

• To develop a robust method for extracting abdominal aorta centerlines from non-contrasted MRI images.
• To enable accurate abdominal aorta length calculation for cardiovascular health assessment.
• To create a method resilient to artifacts and noise in medical imaging.

Main Methods:

• A novel graph-based algorithm was developed for centerline extraction.
• The method was applied to non-contrasted MRI images of the aorta.
• Robustness to artifacts and noise was a key design consideration.

Main Results:

• The developed method successfully extracts abdominal aorta centerlines.
• The technique demonstrates robustness against common imaging artifacts and noise.
• The method is applicable across different imaging modalities.

Conclusions:

• The novel graph-based approach provides a reliable tool for abdominal aorta centerline extraction.
• This method enhances the accuracy of pulse wave velocity calculations and cardiovascular health assessment.
• The technique offers a valuable solution for non-invasive cardiovascular diagnostics using medical imaging.