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Familial persistent pulmonary hypertension.

I Shohet, B Reichman, G Schibi

    Archives of Disease in Childhood
    |August 1, 1984
    PubMed
    Summary
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    Three siblings experienced persistent pulmonary hypertension of the newborn (PPHN), leading to death within 15 days. Their pulmonary artery pressure exceeded systemic levels, causing right-to-left shunting and abnormal pulmonary artery muscle development.

    Area of Science:

    • Neonatology
    • Pediatric Cardiology
    • Pulmonary Hypertension

    Background:

    • Persistent pulmonary hypertension of the newborn (PPHN) is a critical neonatal condition.
    • Understanding the underlying pathophysiology is crucial for potential interventions.

    Observation:

    • Three siblings presented with severe PPHN.
    • All infants died between 4 and 15 days of age.

    Findings:

    • Elevated pulmonary artery pressure above systemic values was observed in all cases.
    • Right-to-left shunting occurred through the foramen ovale and/or ductus arteriosus.
    • Pulmonary histology revealed abnormal muscularization of small pulmonary arteries.

    Implications:

    • This familial occurrence suggests a potential genetic component in PPHN.

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  • The observed vascular changes highlight a specific pathological mechanism.
  • Further research into genetic factors and vascular development in PPHN is warranted.