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[Pulmonary arteriovenous malformation with systemic blood supply]
S Isoda1, A Suzuki, H Kajiwara
1First Department of Surgery, Yokohama City University, School of Medicine, Japan.
[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
|August 1, 1992
Summary
A rare case of pulmonary arteriovenous malformation, supplied by the bronchial artery, was successfully treated with surgery. This intervention resolved exertional dyspnea and cyanosis in a patient with this complex lung vascular condition.
Area of Science:
- Cardiology
- Pulmonology
- Vascular Surgery
Background:
- Pulmonary arteriovenous malformations (PAVMs) are abnormal connections between pulmonary arteries and veins.
- While often congenital, PAVMs can present with significant cardiopulmonary symptoms.
- Diagnosis and treatment are crucial for managing associated risks like shunting and hypoxemia.
Observation:
- A 48-year-old woman presented with lifelong exertional dyspnea and cyanosis.
- Radiographic examination revealed an abnormal shadow in the right lower lung.
- Pulmonary angiography demonstrated a cavernous network between the pulmonary artery and vein in the lower lung segments.
Findings:
- The PAVM was found to be supplied by a dilated bronchial artery.
- This finding indicated a rare variant of PAVM with systemic arterial supply.
- Surgical resection via right lower lobectomy was performed.
Implications:
- Successful surgical management of complex PAVMs can lead to complete symptom resolution.
- Intraoperative arterial gas analysis confirmed the efficacy of the resection.
- Long-term follow-up demonstrated no recurrence, highlighting the effectiveness of surgical intervention for this condition.