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Pulmonary hypertension in infancy and childhood

R Mathew1, M H Gewitz

  • 1Section of Pediatric Cardiology, Department of Pediatrics, Children's Hospital Westchester Medical Center, New York Medical College, Valhalla, NY 10595, USA. rajamma_mathew@NYMC.edu

Heart Disease (Hagerstown, Md.)
|December 1, 2001
PubMed

Insights

Pediatric pulmonary hypertension involves endothelial cell dysfunction and abnormal vasodilation. Research explores genetic factors and therapeutic strategies for this complex cardiovascular issue in children.

Area of Science:

  • Pediatric Cardiology
  • Vascular Biology
  • Molecular Medicine

Background:

  • Pulmonary hypertension complicates childhood cardiovascular diseases.
  • Endothelial cell dysfunction is a key factor in pulmonary hypertension pathophysiology.
  • Vasoconstrictor element overexpression contributes to pulmonary hypertension.

Purpose of the Study:

  • Review current understanding of pulmonary hypertension cellular mechanisms in children.
  • Explore the role of endothelial cell dysfunction in pediatric pulmonary hypertension.
  • Investigate potential genetic bases for pulmonary microvasculature responses.

Main Methods:

  • Review of current research on endothelial cell function in pulmonary hypertension.
  • Analysis of experimental data on cyclic nucleotide-mediated vasoreactivity.
  • Examination of genetic factors influencing pulmonary microvasculature responses.

Main Results:

  • Endothelial cell dysfunction, including vasoconstrictor element overexpression, is implicated in pediatric pulmonary hypertension.
  • Pulmonary hypertension secondary to congenital heart disease and primary forms show similar mechanisms.
  • Experimental data suggest a genetic component to pulmonary microvasculature vasoreactivity.

Conclusions:

  • Understanding endothelial cell dysfunction is crucial for treating pediatric pulmonary hypertension.
  • Genetic factors may play a significant role in pulmonary hypertension development and response to therapy.
  • Further research into these mechanisms can guide improved therapeutic strategies.

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