Atypical progression of delayed encephalopathy post-carbon monoxide poisoning with fluctuating psychotic symptoms: a case report.

ABSTRACT:

Objectives

This report details a case of delayed encephalopathy after acute carbon monoxide poisoning (DEACMP), a condition with significant neuropsychiatric sequelae that is often underrecognized. The case is notable for its atypical progression and poor response to conventional treatments, highlighting the need for awareness and novel approaches in managing similar cases.

Case report

Mrs. C, a 53-year-old female with a long history of recurrent depression, suffered from severe carbon monoxide poisoning. Despite initial recovery, she exhibited a relapse marked by profound cognitive decline and erratic behaviors such as inappropriate urination and fecal smearing. The diagnostic workup, including MRI and neuropsychological testing, confirmed DEACMP. Various treatments were em

SUBMITTER: Lin Y 

PROVIDER: S-EPMC12355180 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature