Related Experiment Video
Updated: Aug 17, 2026

The Perinatal Asphyxiated Lamb Model: A Model for Newborn Resuscitation
Published on: August 15, 2018
[Pulmonary arteriovenous fistula in a newborn infant with hereditary telangiectasis]
Insights
Hereditary hemorrhagic telangiectasia can cause pulmonary arteriovenous fistulas, even in newborns. Regular monitoring of children with this condition is crucial for early detection of vascular malformations.
Area of Science:
- Vascular Medicine
- Pediatric Cardiology
- Genetics
Background:
- Hereditary hemorrhagic telangiectasia (HHT) is a genetic disorder affecting blood vessels.
- Pulmonary arteriovenous fistulas (PAVs) are abnormal connections between pulmonary arteries and veins.
Observation:
- A case report details a newborn diagnosed with a pulmonary arteriovenous fistula.
- The infant presented with hereditary hemorrhagic telangiectasia.
Findings:
- Approximately 15% of HHT patients develop PAVs, often asymptomatic until adulthood.
- Vascular malformations in HHT commonly manifest in the nasal mucosa, lungs, and gastrointestinal tract.
Implications:
- Early and regular screening of children with HHT is essential.
- Proactive monitoring can identify potential PAVs and other vascular abnormalities in at-risk pediatric populations.
- Timely intervention may prevent complications associated with PAVs and other HHT-related vascular issues.
Abstract:
A case of pulmonary arteriovenous fistula in a newborn baby suffering from hereditary teleangiectasis is described. 15% of patients with hereditary teleangiectasis develop pulmonary arteriovenous fistulas, most of which do not cause symptoms until adult life. Children with hereditary teleangiectasis should be followed regularly, because of the risk of developing vascular malformations, the most frequent locations being the nasal mucosa, the lungs and the gastrointestinal tract.

