ArticleOpen respiratory archives
An Uncommon Cause of Massive Hemothorax: Pulmonary Arteriovenous Malformation in the Right Middle Lobe.
Article in Open respiratory archives. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
Pulmonary arteriovenous malformations (PAVMs) are rare vascular anomalies that can lead to severe complications when ruptured. We report the case of a 65-year-old active smoker who presented to the emergency department with acute pleuritic chest pain, severe dyspnea, and hypoxemia. Chest CT revealed a large PAVM in the right middle lobe, associated with massive hemothorax and a small pneumothorax. The patient had no history of hereditary hemorrhagic telangiectasia. Initial management included pleural drainage and endovascular embolization with a 16 mm Amplatzer™ device. Due to persistent respiratory failure and high risk of rebleeding, a right middle lobectomy was subsequently performed. Intraoperative findings confirmed a partially thrombosed AVM and correct device placement. Postoperative recovery was uneventful, with no recurrent bleeding. This case highlights a rare cause of spontaneous massive hemothorax requiring combined endovascular and surgical management, emphasizing the importance of early diagnosis and multidisciplinary care in idiopathic PAVMs.
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