Neuropsychiatric disease and treatment · 2020
Clinical, Electrophysiological and Radiological Features of Nitrous Oxide-Induced Neurological Disorders.
СтатьяНазвание и аннотация: Перевод в очереди
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Bao Lei, Li Qing, Li Qingjie, Chen Hao, Zhang Ruixue, Shi Hongjuan, Cui Guiyun
Аннотация
PURPOSE: We summarized the clinical manifestations, laboratory and electrodiagnostic characteristics and magnetic resonance imaging (MRI) findings of nitrous oxide (N2O) abuse-induced neurological disorders.
PATIENTS AND METHODS: We retrospectively reviewed 33 patients with N2O abuse-induced neurological disorders and reported their demographic data, clinical manifestations, laboratory examinations, nerve conduction studies, together with spinal and brain MRI.
RESULTS: The most frequent clinical manifestations included numbness and weakness in the extremities and unspecified gait disturbance. Low serum vitamin B12 levels were found in 9 patients, and high homocysteine levels were noted in 27 patients. Nerve conduction studies showed a sensory-motor neuropathy. Sixteen patients showed bilateral high-intensity T2 signal within the posterior column on spinal MRI, and four patients showed cerebral white matter lesions on brain MRI.
CONCLUSION: N2O abuse has become a significant public health problem because of the severe neurological disorders related to chronic abuse. Clinical physicians should be aware of the toxic effects of N2O.
PATIENTS AND METHODS: We retrospectively reviewed 33 patients with N2O abuse-induced neurological disorders and reported their demographic data, clinical manifestations, laboratory examinations, nerve conduction studies, together with spinal and brain MRI.
RESULTS: The most frequent clinical manifestations included numbness and weakness in the extremities and unspecified gait disturbance. Low serum vitamin B12 levels were found in 9 patients, and high homocysteine levels were noted in 27 patients. Nerve conduction studies showed a sensory-motor neuropathy. Sixteen patients showed bilateral high-intensity T2 signal within the posterior column on spinal MRI, and four patients showed cerebral white matter lesions on brain MRI.
CONCLUSION: N2O abuse has become a significant public health problem because of the severe neurological disorders related to chronic abuse. Clinical physicians should be aware of the toxic effects of N2O.