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Published on: October 19, 2013
Primary pulmonary hypertension in infancy: report of two autopsy cases
M Fujinami1, T Nishikawa, A Kajita
1Department of Pathology, Tokyo Women's Medical College, Japan.
Insights
Unexplained plexogenic pulmonary arteriopathy in infants shows severe pulmonary hypertension. Patho-anatomical study reveals hypertensive changes, indicating prolonged elevated pulmonary arterial pressure from early infancy.
Area of Science:
- Pediatric Pathology
- Cardiovascular Research
- Pulmonary Hypertension
Background:
- Plexogenic pulmonary arteriopathy (PPA) is a rare condition characterized by severe pulmonary hypertension.
- Understanding the early pathological changes in infantile PPA is crucial for diagnosis and management.
Observation:
- Two infant cases (7 months and 2 years 2 months) with unexplained PPA were examined using a patho-anatomical approach.
- Pulmonary arteries exhibited significant hypertensive changes, graded as 3 and 4 according to Heath and Edwards' criteria.
Findings:
- The medial configuration of the pulmonary trunk suggests sustained elevated pulmonary arterial pressure.
- These pathological changes indicate that pulmonary arterial pressure was elevated early in life, despite the young age of the patients.
Implications:
- These findings highlight the importance of early detection and intervention for PPA in infants.
- The study contributes to understanding the progression of pulmonary hypertension in early childhood.
Abstract:
Two cases of unexplained plexogenic pulmonary arteriopathy in infancy were studied by patho-anatomical approach. The patients were boys, age 7 months and 2 years 2 months. Pulmonary arteries revealed Grade 3 and Grade 4 hypertensive changes, respectively, after Heath and Edwards' criteria. The configuration of the media of the pulmonary trunk suggested that though these cases were very young, pulmonary arterial pressure had been elevated since some time after birth.
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