Four-Dimensional Flow in Fontan Patients: Advanced Haemodynamic Assessment

Area of Science:

• Cardiovascular Imaging
• Medical Physics
• Pediatric Cardiology

Background:

• The Fontan circulation is a standard surgical approach for single-ventricle patients.
• This complex circuit can lead to various early and late complications, impacting quality of life and life expectancy.
• A thorough understanding of Fontan physiology is essential for optimizing patient outcomes.

Purpose of the Study:

• To review the application of cardiovascular magnetic resonance (CMR) for Fontan patient follow-up.
• To highlight the utility of four-dimensional (4D) Flow MRI in assessing Fontan physiology and pathophysiology.
• To discuss the role of 4D Flow MRI in image-based simulations using computational fluid dynamics.

Main Methods:

• Focus on cardiovascular magnetic resonance (CMR) flow assessment techniques.
• Detailed review of four-dimensional (4D) Flow MRI capabilities.
• Exploration of 4D Flow MRI for hemodynamic parameter assessment and computational fluid dynamics.

Main Results:

• CMR provides essential functional and hemodynamic information for Fontan patient follow-up.
• 4D Flow MRI enables detailed measurement of blood flow in 3D.
• 4D Flow MRI facilitates assessment of advanced hemodynamic parameters crucial for understanding Fontan pathophysiology.

Conclusions:

• 4D Flow MRI is an increasingly valuable tool for Fontan patient management.
• Advanced hemodynamic assessment with 4D Flow MRI aids in understanding Fontan physiology.
• This technique supports improved outcomes for single-ventricle patients through better physiological insights.