Portal venous gas after ingestion of concentrated hydrogen peroxide.
Ting-An Chen, Yen-Wen Chen, Yang Ho et al.
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Case in brief
A 37-year-old man ingested 50% hydrogen peroxide, leading to symptoms of vomiting and abdominal distension. Imaging revealed intramural gas and portal venous gas, while endoscopy confirmed corrosive injury. Although initial hyperbaric oxygen therapy was not completed, a second session was performed, resulting in complete resolution of the gas on follow-up imaging.
Diagnostic / clinical pearl
Ingestion of concentrated hydrogen peroxide can lead to significant corrosive injury and portal venous gas, necessitating prompt imaging and endoscopic evaluation.
Why it matters
This case highlights the potential complications of hydrogen peroxide ingestion, emphasizing the role of hyperbaric oxygen therapy in managing gas embolism in select cases.