Improve the diagnosis
and prognosis of PH

in children and young adults

more about PePH

First presentation related to TOPP-2

13 March 2024 – PePH are delighted to share a special announcement regarding the first presentation of data related to the TOPP-2 registry: The poster titled “Survey of follow-up catheterization use in pediatric pulmonary hypertension – a TOPP-2 registry analysis” was presented by U Kanaan at the 17th International Conference Neonatal & Childhood Pulmonary Vascular Disease, San Franciso, February 29 - March 2, 2024.

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New TOPP-1 manuscript published

13 March 2024 – PePH are pleased to announce that the manuscript “Application of a modified clinical classification for pulmonary arterial hypertension associated with congenital heart disease in children: emphasis on atrial septal defects and transposition of the great arteries. An analysis from the TOPP registry" by J Wacker et al. has been published in Frontiers in Cardiovascular Medicine.

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Association for Pediatric Pulmonary Hypertension (PePH)

Pediatric PH in a nutshell

Pulmonary hypertension (PH) is a hemodynamic condition defined by an increased pulmonary artery mean pressure above or equal to 25 mmHg. This can be associated with multiple clinical conditions forming different etiological groups with specific and diverse pathological and pathobiological characteristics.

Pulmonary arterial hypertension (PAH) is a rare disease that is characterized by PH, normal pulmonary artery wedge pressure (PAWP ≤ 15 mmHg) and elevated pulmonary vascular resistance (PVR). The increase in pressure and resistance is caused by an intense and characteristic remodeling of the small caliber pulmonary arteries. Proliferation of endothelial and smooth muscle cells and medial hypertrophy is also observed. PAH results in eventual right ventricular failure and death.

Pediatric PAH shares many of its characteristics with adult PAH and is associated with multifactorial and heterogeneous underlying diseases. However, PH is a hemodynamic condition occurring rarely in newborns, infants and children, therefore it remains difficult to obtain information about pediatric PH in a large cohort of patients.

Our mission

The Association for Pediatric Pulmonary Hypertension (PePH) was founded with the aim of conducting research on PH in children. The goals of this research are to improve the diagnosis and treatment of PH in children and the clinical outcome and care in the long-term of patients affected with this rare disease. The first achievement of the PePH was the creation of the first worldwide registry on pediatric PH titled TOPP-1 (Tracking Outcome and Practice in Pediatric Pulmonary Hypertension). TOPP-1 has already generated several important reports and led to the design of the new TOPP-2 registry. TOPP-2 is a prospective, multicenter, international, observational registry that aims to study the longitudinal clinical course and management of children and adolescents with PH. Its focus is to answer further questions regarding unsolved problems in the field of pediatric PH.

Overall, the PePH has developed new directions in research for pediatric PH.