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Updated: Aug 7, 2026
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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
[A case of diffuse telangiectatic pulmonary arteriovenous malformations treated surgically]
Atsuko Tokuda1, Hiroshi Tabeta, Sukeyuki Nakamura
1Department of Thoracic Surgery, Funabashi Municipal Medical Center.
Summary
Surgical resection of diffuse telangiectatic arteriovenous malformations in the lungs effectively treated severe hypoxemia and reduced the shunt ratio in a young woman. This approach offers a viable treatment option for complex pulmonary vascular malformations.
Area of Science:
- Cardiology
- Thoracic Surgery
- Pulmonary Medicine
Background:
- Diffuse telangiectatic arteriovenous malformations (AVMs) are rare pulmonary vascular disorders.
- These malformations can lead to severe hypoxemia and significant right-to-left shunting.
- The diffuse telangiectatic type often presents a poor prognosis due to treatment challenges.
Observation:
- A 19-year-old woman presented with hemoptysis and severe hypoxemia.
- Pulmonary angiography revealed diffuse telangiectatic AVMs in the left lung with a 48.7% shunt ratio.
- Embolization was deemed unsuitable due to the extensive and diffuse nature of the AVMs.
Findings:
- Surgical resection of the affected left upper and lower lobes was performed.
- Postoperatively, the patient experienced remarkable improvement in hypoxemia.
- The shunt ratio significantly decreased to 28.8% after surgery.
Implications:
- Surgical resection can be an effective treatment for diffuse telangiectatic pulmonary AVMs when embolization is not feasible.
- This case highlights the potential for successful surgical management of complex pulmonary AVMs, improving patient outcomes.
- Long-term follow-up confirmed no recurrence two years post-surgery, suggesting durable efficacy.
