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Published on: November 25, 2014
Nitrous Oxide-Induced Neuropathy among Recreational Users in Vietnam
Xuan Thi Dang1,2, Thanh Xuan Nguyen3,4,5, Thu Thi Hoai Nguyen3,4
1Vietnam Poison Control Center, Bach Mai Hospital, Hanoi 100000, Vietnam.
Abstract:
Nitrous oxide (N2O) commonly referred to as laughing gas, has significant medical uses. This study aims to describe the neurological disorders associated with N2O. We conducted across-sectional study that enrolled patients with nitrous oxide toxicity admitted to Vietnam Poison Control Center, Bach Mai Hospital, Hanoi, Vietnam from June 2018 to July 2019. The questionnaire included demographic characteristics, characteristics of using N2O, signs and clinical symptoms, neuroimaging findings, injury on electromyography (EMG) and the Total Neuropathy Score clinical version (TNSc) criteria. A total of 47 participants were included with mean age: 24.38 ± 6.20 years. The number of balloons used per week was 130.59 ± 117.43. The mean duration of N2O exposure was 8.79 ± 7.1 months. Multivariate linear logistic regression revealed that the number of N2O balloons used per week was significantly associated with TNSc point (Beta: 0.315; 95% CI: 0.001-0.022). We found that myeloneuropathy and peripheral neuropathy were the main neurological disorders related to N2O abuse, which should improve the awareness of the appearance of neurological disorders associated with N2O abuse.
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