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Published on: May 11, 2015
Management of Pulmonary Arterial Hypertension in the Pediatric Patient
Jordan E Ezekian1, Kevin D Hill2
1Department of Pediatrics, Division of Pediatric Cardiology, Duke University Medical Center, 2301 Erwin Road, DUMC, Box 3090, Durham, NC, 27710, USA.
Insights
Pediatric pulmonary arterial hypertension (PAH) requires tailored treatment. Off-label use of targeted PAH drugs improves outcomes in children, but careful physician understanding of benefits and risks is crucial.
Area of Science:
- Pediatric Cardiology
- Pulmonology
- Pharmacology
Background:
- Pediatric pulmonary arterial hypertension (PAH) presents unique challenges in diagnosis and management.
- Current treatment guidelines are largely based on adult data, necessitating adaptation for pediatric populations.
- Understanding the distinct etiological factors in pediatric PAH is essential for effective therapy.
Purpose of the Study:
- To review the current diagnosis and classification of pediatric PAH.
- To detail available therapeutic options for pediatric PAH.
- To highlight the importance of specialized care centers for pediatric PAH.
Main Methods:
- Review of existing literature on pediatric PAH diagnosis and classification.
- Analysis of current therapeutic strategies, including off-label drug use.
- Discussion of outcome improvements associated with novel therapies.
Main Results:
- Pediatric PAH classification and treatment often rely on adult criteria, despite differing contributing factors.
- Off-label use of targeted PAH drugs approved for adults has led to significant improvements in pediatric PAH outcomes.
- Lack of pediatric-specific randomized controlled trials necessitates careful consideration of drug mechanisms, benefits, and safety profiles.
Conclusions:
- Pediatric PAH outcomes have improved with the off-label use of targeted therapies.
- Specialized centers and expert providers are vital for optimal pediatric PAH care.
- Physicians must possess a deep understanding of diagnostic algorithms, classification, and treatment approaches for pediatric PAH.
Purpose Of Review:
Pediatric pulmonary arterial hypertension (PAH) is associated with significant morbidity and mortality. Herein we review the diagnosis and classification for pediatric PAH and detail the current therapeutic options available for use in the pediatric PAH population.
Recent Findings:
Classification and treatment of pediatric PAH is guided by adult criteria and treatment algorithms, yet the distribution of factors contributing to PAH in children differs significantly from that seen in adults. It is necessary to understand these differences in order to appropriately tailor therapy to the needs of the child or adolescent. An expanding array of targeted PAH drugs are now approved for use in adults, and many of these drugs are used "off-label" to treat children and adolescents with PAH. Use of these novel therapies has coincided with marked improvement in outcomes, suggesting significant benefit. However, because most of these drugs have not been studied in rigorous randomized, controlled trials in children, it is critical that physicians understand their mechanisms of action, potential benefits, and safety profiles. Pediatric PAH outcomes have improved substantially in the modern era, coinciding with the "off-label" use of targeted PAH drugs in children and adolescents. Ideally, care should be provided at centers with specialized expertise in the diagnosis and treatment of pediatric PAH by providers who understand the appropriate diagnostic algorithms, classification schemes, and treatment approaches.
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