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Negative / Null Result ReportOpen accessMedicine

Delayed neurological sequelae of carbon monoxide intoxication initially treated as infectious meningo encephalitis

Xavier Jannot; Alpha Oumar Diallo; Judicaelle Didierjean; Jean-Edouard Terrade; Emmanuel Andrès; Marine Feuermann; Noel Lorenzo-Villalba · 2025 · European Journal of Case Reports in Internal Medicine

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Abstract

We report the case of a 75-year-old woman admitted to the emergency department for confusion, gait disturbances and mutism associated with an inflammatory syndrome occurring 3 weeks after acute carbon monoxide intoxication. The main hypothesis upon arrival was infectious meningoencephalitis, and the patient was put on acyclovir and antibiotics in meningeal doses. After a short stay in intensive care, the patient’s condition did not improve, and the revaluation of her case history and imaging studies led to the diagnosis of post-interval syndrome secondary to carbon monoxide intoxication after

Abstract by Xavier Jannot; Alpha Oumar Diallo; Judicaelle Didierjean; Jean-Edouard Terrade; Emmanuel Andrès; Marine Feuermann; Noel Lorenzo-Villalba, European Journal of Case Reports in Internal Medicine (2025) — licensed CC BY 4.0.

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Metadata source: DOAJ · DOI 10.12890/2025_005235