Methylprednisolone combined vitamin supplementation reversed rapidly subacute combined degeneration of the spinal cord induced by the abuse of nitrous oxide

Zhang, Shaoru; Zhou, Zhihua; Wang, Weifeng; Yu, Qingyun; Hong, Ming‐Fan

doi:10.1007/s13760-020-01589-8

Cited by 2 publications

(1 citation statement)

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“…Met can also be used as an adjuvant (Stacy et al., 1992). Methylprednisolone combined with vitamins was shown to alleviate SCD caused by N 2 O abuse (Zhang et al., 2021). Most of the patients have a good prognosis after timely treatment, and only a small percentage of patients continue to experience mild sensory or motor disorder.…”

Section: Discussionmentioning

confidence: 99%

Clinical epidemiological characteristics of nitrous oxide abusers: A single‐center experience in a hospital in China

Dong

et al. 2021

Brain and Behavior

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This study investigated the clinical epidemiological characteristics of nitrous oxide (N 2 O) abusers in a hospital in China, which have not been systematically reported. Methods:The characteristics of patients abusing N 2 O who were examined and treated at the Affiliated Hospital of Xuzhou Medical University from January 2017 to December 2020 were analyzed.Results: A total of 61 patients (average age: 21.7 ± 3.2 years; 42 male and 19 female) were enrolled; 60.7% of the patients had an education level of high school or lower, and most (59.0%) had no stable occupation. The mean exposure time was 8.5 ± 7.7 months (range: 1-36 months). Only 52.5% of the abusers reported the physician of the relevant exposure history at the first time of visiting the doctor. The main clinical type was mixed (49.2%). The most common clinical manifestation was distal limb numbness (80.3%).The most frequent outcome was peripheral neuropathy (59%) and subacute combined degeneration (36%). Serum homocysteine level was elevated in 67.5% (27/40) of the patients, while 44.4% (20/45) showed reduced vitamin B12. Note that 61% (22/36) showed abnormal signals in the posterior or lateral funiculus of the spinal cord, and 97% (31/32) of the patients showed peripheral nerve damage by electromyography. In all cases, symptoms were alleviated after halting N 2 O intake and receiving nutritional neurotherapy.Conclusions: N 2 O abuse can lead to nervous system damage, especially peripheral nerve and spinal cord damage. A full understanding of its clinical epidemiological characteristics is helpful for clinicians to make a timely and clear diagnosis.

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Section: Discussionmentioning

confidence: 99%