ArticleCureus2025
From Scar to Shunt: Incidental Discovery of Pulmonary Arteriovenous Malformation in a Healthy Adult Trauma Patient.
Article in Cureus, 2025. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Pulmonary arteriovenous malformations (PAVMs) are rare vascular anomalies that create right-to-left shunts, predisposing patients to hypoxemia, paradoxical emboli, and cerebral abscess. While often congenital and associated with hereditary hemorrhagic telangiectasia (HHT), they may also be acquired. We describe the case of a 59-year-old Hispanic man who was incidentally found to have a large left lower lobe PAVM with a 1.1 cm feeding artery during evaluation for traumatic injuries. Despite severe hypoxemic respiratory failure, he had no respiratory symptoms or distress. Initial embolization reduced but did not eliminate the shunt, necessitating a second procedure that achieved complete closure. This case reinforces the importance of recognizing that PAVMs can remain clinically silent despite severe physiologic burden and often require staged management when large feeding arteries are involved. Vigilant follow-up and genetic evaluation remain essential to preventing long-term complications.
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