CTICasesTraumatic Aortic Injury with Fatal Gas Embolism
Imaging findings
Initial CT shows traumatic thoracic aortic injury and hemopericardium. Post-stent CT shows extensive gas/air within the aortic lumen, systemic arteries, and portal venous system, complicating severe mesenteric ischemia.
Key takeaways
Massive air embolism in the aorta can complicate severe abdominal/pelvic trauma and mesenteric ischemia. Retrograde propagation of bowel gas through the mesenteric vessels can enter the systemic arterial circulation.
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