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Updated: Nov 8, 2025

Author Spotlight: Effect of Left Atrial Ligation on Avian Embryonic Hearts and HLHS Implications
Published on: June 16, 2023
Hypoplastic Left Heart: Stage-I Will be Performed Interventionally, Soon
Dietmar Schranz1,2, Anoosh Esmaeili3, Hakan Akintuerk4
1Pediatric Heart Center, Justus-Liebig University, Feulgenstrasse 12, 35385, Giessen, Germany. Dietmar.Schranz@paediat.med.uni-giessen.de.
Hypoplastic left heart syndrome requires tailored treatment. Researchers are exploring non-surgical, percutaneous transcatheter techniques as an alternative to complex surgeries for improved infant outcomes.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Disease
- Interventional Cardiology
Background:
- Hypoplastic left heart syndrome (HLHS) presents significant variability and complexity.
- Current management involves individualized therapy, fetal interventions, and staged surgical palliation (Norwood/Hybrid, Fontan circulation).
- Existing treatments necessitate complex surgeries and intensive neonatal care.
Purpose of the Study:
- To explore alternative percutaneous transcatheter techniques for Stage-I management of HLHS.
- To reduce reliance on complex surgical procedures and neonatal intensive care.
- To advance non-surgical treatment options for single ventricle physiology.
Main Methods:
- Review of current fetal and neonatal interventions for HLHS.
- Discussion of catheter-based approaches including ductal stenting and atrial septum manipulation.
- Focus on developing a percutaneous transcatheter technique for a non-surgical Stage-I approach.
Main Results:
- Fetal interventions like maternal hyperoxygenation aim to improve left heart structures.
- Stage-I management typically involves Norwood/Sano surgery or the Hybrid approach.
- Advancements in catheter-based interventions are paving the way for less invasive options.
Conclusions:
- There is a growing focus on developing completely non-surgical Stage-I approaches for HLHS.
- Percutaneous transcatheter techniques offer a promising alternative to traditional surgical palliation.
- Minimizing complex surgeries and intensive care is a key goal for HLHS management.
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Cardiac Catheterization II: Right Heart Catheterization

