[Pulmonary hypertension and pulmonary circulation in congenital heart disease]

I Schulze-Neick1, H Kaemmerer

  • 1UK Service for Pulmonary Hypertension in Children, Great Ormond Street Hospital, London. NeickI@gosh.nhs.uk

Insights

Congenital heart defects can lead to pulmonary arterial hypertension. New medications targeting pulmonary circulation improve outcomes for adults with these complex conditions.

Area of Science:

  • Cardiology
  • Pulmonary Medicine
  • Vascular Biology

Context:

  • Congenital cardiac malformations frequently involve pulmonary hypertension and vascular changes.
  • Pulmonary arterial hypertension affects 5-10% of adults with congenital heart disease, ranging from mild to severe (Eisenmenger reaction).
  • Limited medical treatment options were previously available for these patients.

Purpose:

  • To review the current understanding and treatment of pulmonary hypertension associated with congenital heart disease.
  • To highlight the impact of novel pulmonary vasoactive and antiproliferative agents.
  • To emphasize the need for specialized care in managing these complex cases.

Summary:

  • New therapeutic agents, including endothelin receptor antagonists, phosphodiesterase-5 inhibitors, and prostanoids, offer improved treatment for pulmonary hypertension in congenital heart disease.
  • These medications address endothelial dysfunction and antiproliferative pathways, enhancing outcomes.
  • Even patients with severe malformations like Fontan circulation or pulmonary atresia can benefit.

Impact:

  • Advances in medical therapy offer new hope for patients with complex congenital heart disease and pulmonary hypertension.
  • Improved treatment strategies can lead to better quality of life and prognosis for affected individuals.
  • Management requires specialized multidisciplinary care in dedicated congenital heart disease centers.

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