CTICasesPulmonary Edema Secondary to Iatrogenic Air Embolism
Imaging findings
Immediate post-operative chest radiographs show the rapid onset of florid, diffuse, bilateral pulmonary edema within hours of an emergency evacuation of an epidural hematoma.
Key takeaways
Venous air embolism is a known, hazardous complication of neurosurgical procedures, especially those performed in the sitting position or involving dural sinuses. The sudden entrainment of air into the venous circulation leads to mechanical pulmonary microvascular occlusion and a robust inflammatory cascade, presenting as rapid-onset non-cardiogenic pulmonary edema.
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