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Published on: January 13, 2018
Subacute combined degeneration caused by nitrous oxide intoxication: case reports
Ru-Jen Lin1, Hoi-Fong Chen, Yang-Chyuan Chang
1Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.
Nitrous oxide misuse can cause subacute combined degeneration, a serious spinal cord condition. Early diagnosis and vitamin B12 treatment are crucial for recovery in affected young individuals.
Area of Science:
- Neurology
- Toxicology
Background:
- Nitrous oxide (N2O) is increasingly misused by young individuals.
- Inhalation of N2O can lead to severe neurological complications.
Observation:
- Three young patients presented with progressive myelopathy, including numbness and ataxia.
- All patients reported chronic N2O inhalation from whipped-cream canisters.
- MRI revealed spinal cord posterior column hyperintensities, and vitamin B12 levels were low.
Findings:
- Diagnosis of subacute combined degeneration of the spinal cord was confirmed.
- Etiology linked to N2O-induced vitamin B12 deficiency.
- Neurological function improved with vitamin B12 supplementation and N2O cessation.
Implications:
- Subacute combined degeneration is a potential consequence of N2O abuse.
- Highlights the need for considering N2O toxicity in young patients with myelopathy.
- Emphasizes the importance of early diagnosis and intervention for N2O-induced neurological damage.
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