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Published on: May 11, 2015
Recent advances in the clinical management of end-stage pediatric pulmonary hypertension
Oscar van der Have1,2, Rachel K Hopper3, Rebecca J Kameny3
1Department of Experimental Medical Science and The Wallenberg Center for Molecular Medicine, Lund University.
Insights
This review covers advanced treatments for children with end-stage pulmonary hypertension. Early assessment and intervention, including new therapies and transplantation, are crucial for improving outcomes in pediatric pulmonary vascular disease.
Area of Science:
- Pediatric Cardiology
- Pulmonary Vascular Disease
- Critical Care Medicine
Background:
- Pediatric pulmonary hypertension management is evolving with increased understanding of pulmonary vascular disease.
- Risk prediction tools are improving, highlighting the need for serial re-assessment in children.
- Pediatric-specific complications of pulmonary hypertension require further investigation despite adult therapy advances.
Purpose of the Study:
- To provide an overview of recent clinical management advances for pediatric end-stage pulmonary hypertension.
- To discuss strategies for children refractory to conventional medical therapy.
- To highlight the importance of early consideration of advanced therapies.
Main Methods:
- Review of current literature on pediatric pulmonary hypertension management.
- Analysis of emerging pharmaceutical and interventional therapies.
- Discussion of lung transplantation and mechanical circulatory support.
Main Results:
- Advanced pharmaceutical and interventional therapies, alongside lung transplantation, improve outcomes.
- Ongoing trials are exploring pediatric-specific pulmonary hypertension complications.
- Interventional strategies to support the right ventricle are increasingly used, though evidence is limited.
Conclusions:
- Management of pediatric right ventricular failure is complex, integrating hemodynamic assessment, vasodilator therapy, and ventilatory strategies.
- Extra-corporeal membrane oxygenation can serve as a bridge to transplantation or other interventions.
- Timely consideration of advanced therapies and mechanical support is vital for improving outcomes in pediatric pulmonary hypertension.
Purpose Of Review:
This review aims to give an overview of recent advances in the clinical management of children <18 years of age with end-stage pulmonary hypertension refractory to conventional medical therapy.
Recent Findings/Summary:
The increased awareness and characterization of pediatric pulmonary vascular disease has amounted more data toward creating an accurate, and comprehensive, risk prediction tool. This underscores the importance of serial outpatient re-assessment, as early consideration of advanced pharmaceutical and interventional therapies, as well as lung transplantation, improves outcomes in children. Despite the emergence and approval of new therapies against pulmonary hypertension in adults, pediatric-specific complications have not yet been adequately explored. It is, however, encouraging that several trials are ongoing to address this issue. Interventional strategies to unload the right ventricle are increasingly being utilized, although evidence remains scarce in this area. Extra-corporeal membrane oxygenation may, in addition to being a bridge to lung transplantation in well-selected patients, be considered as a bridge to catheter-based or surgical interventions. Management of pediatric right ventricular failure in the setting of advanced pulmonary hypertension is a truly complex clinical challenge at the intersection of cardiac, vascular and respiratory physiology and requires careful integration of invasive hemodynamic assessment, pulmonary vasodilator therapy, ventilatory strategy, and timely consideration of mechanical circulatory support.
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