Lymphatic Imaging and Intervention in Congenital Heart Disease

Area of Science:

• Cardiology
• Vascular Biology
• Pediatric Surgery

Background:

• Congenital heart defects (CHDs) can lead to severe complications like protein-losing enteropathy, plastic bronchitis, and chylothorax.
• These conditions are increasingly recognized as originating from lymphatic system dysfunction.
• Understanding lymphatic flow is crucial for managing these complex pediatric cases.

Purpose of the Study:

• To highlight the central role of the lymphatic system in CHD complications.
• To review advancements in lymphatic imaging and minimally invasive interventions.
• To emphasize the impact of new diagnostic and therapeutic approaches on patient outcomes.

Main Methods:

• Utilizing advanced imaging techniques, including noncontrast and dynamic contrast-enhanced magnetic resonance lymphangiography.
• Developing and applying novel catheter-based interventions for lymphatic flow redirection.
• Implementing surgical and interventional procedures to enhance lymphatic drainage.

Main Results:

• Novel imaging modalities now allow detailed depiction of lymphatic anatomy and function.
• Minimally invasive procedures like thoracic duct embolization show promising results in managing lymphatic disorders.
• Techniques such as thoracic duct decompression and lympho-venous anastomosis improve lymphatic drainage.

Conclusions:

• Lymphatic system dysfunction is a key factor in severe CHD complications.
• Advances in lymphatic imaging and interventional techniques are revolutionizing treatment planning and execution.
• New therapeutic strategies offer improved management for patients with lymphatic-related complications of CHDs.