Delayed neuropsychiatric sequelae with improvement of decreased cerebral bold flow by single-photon emission computed tomography during hyperbaric oxygen therapy: A case report with a 10-year follow-up | Canada Hyperbarics Skip to main content
Case Report PCN Rep 2023

Delayed neuropsychiatric sequelae with improvement of decreased cerebral bold flow by single-photon emission computed tomography during hyperbaric oxygen therapy: A case report with a 10-year follow-up

Hagiwara K, Matsubara T, Nakagawa S — PCN Rep, 2023

Tier 2, Indexed

Automatically imported from PubMed based on relevance criteria.

Summary

What Researchers Did

Researchers documented the 10-year recovery of a 59-year-old man who developed delayed neuropsychiatric sequelae after carbon monoxide poisoning and was treated with hyperbaric oxygen therapy.

What They Found

Delayed neuropsychiatric sequelae (DNS) affects 10%-30% of acute carbon monoxide poisoning patients. In this case, a 59-year-old man with DNS received hyperbaric oxygen therapy and returned to work for 10 years, showing improved frontal lobe blood flow and cognitive function. Although brain volume atrophy was observed over the decade, frontal lobe blood flow remained stable.

Canadian Relevance

This study covers carbon monoxide poisoning, which is a Health Canada-recognised indication for hyperbaric oxygen therapy. No direct Canadian connection or authors were identified.

Study Limitations

As a single case report, the findings cannot be generalized to all patients with delayed neuropsychiatric sequelae from carbon monoxide poisoning.

This plain-language summary is generated with AI assistance and checked against the source abstract before publication. See our editorial policy.

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Study Details

Study Type Case Report
Category Carbon Monoxide Poisoning
Source Pubmed
PubMed ID 38867825
Year Published 2023
Journal PCN Rep

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This study relates to Carbon Monoxide Poisoning. Read the full clinical overview, the evidence base, and Canadian treatment access for this condition.

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Disclaimer: This study summary is provided for informational and educational purposes only. It does not constitute medical advice. The information presented reflects the findings of the original research authors and may not represent the views of Canada Hyperbarics. Always consult a qualified healthcare professional before making treatment decisions.

Last reviewed: April 17, 2026 | Reviewed by: Canada Hyperbarics Editorial Team | Editorial process | Research sources | Counts & methodology