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Войти в исследования Discovery medicine · 2024
A Comparison between Demyelinating and Omicron Variant Infection-Associated Optic Neuritis.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Zhang Jing, Wang Lian, Chen Chunli, Ren Haitao, Jin Miao, Liu Hongjuan, Yang Bentao, Huang Zhiqin, Jiang Libin, Chen Fred Kuanfu
Аннотация
BACKGROUND: The connection between viral infection and the onset of demyelination has garnered considerable attention. Omicron, the most recent prevalent strain of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has raised concerns. Optic neuritis (ON) associated with Omicron infection and spontaneous demyelinating ON may manifest distinct disease progressions. This study aims to contrast the features of these two distinct etiologies of ON.
METHODS: This case-control study comprised fifteen patients (21 eyes) diagnosed with Omicron infection-related ON and fifteen patients (24 eyes) with demyelinating ON serving as the control group. Clinical characteristics, cerebrospinal fluid (CSF) analysis, treatment protocols, and outcomes were compared between the two groups.
RESULTS: The Omicron-infected group exhibited a higher incidence of pain upon ocular movement (p = 0.023) and peripapillary hemorrhages (p = 0.046). In CSF analysis, there was an elevation in white cell counts (WCCs) (p = 0.004), with lymphocytes being the predominant cell type in the Omicron-related ON group. However, oligoclonal bands (OCBs), indicative of intrathecal synthesis, were significantly lower and lagged behind those of the demyelinating ON group (p = 0.021). SARS-CoV-2 RNA was not directly detected in the CSF of the Omicron-related ON group, and the degree of WCC elevation was closely linked with peripapillary hemorrhages (odds ratio = 0.029, p = 0.02). Additionally, the Omicron-related ON group displayed more pronounced ganglion cell loss following 3-month treatment (p = 0.02).
CONCLUSION: Omicron-related ON is distinguished by more pronounced clinical symptoms and distinct CSF characteristics compared to spontaneous demyelinating ON. The absence of viral RNA sequence in the CSF of Omicron-associated ON supports the use of steroid monotherapy; however, varying treatment options and prognoses should be considered for these two types of ON.
METHODS: This case-control study comprised fifteen patients (21 eyes) diagnosed with Omicron infection-related ON and fifteen patients (24 eyes) with demyelinating ON serving as the control group. Clinical characteristics, cerebrospinal fluid (CSF) analysis, treatment protocols, and outcomes were compared between the two groups.
RESULTS: The Omicron-infected group exhibited a higher incidence of pain upon ocular movement (p = 0.023) and peripapillary hemorrhages (p = 0.046). In CSF analysis, there was an elevation in white cell counts (WCCs) (p = 0.004), with lymphocytes being the predominant cell type in the Omicron-related ON group. However, oligoclonal bands (OCBs), indicative of intrathecal synthesis, were significantly lower and lagged behind those of the demyelinating ON group (p = 0.021). SARS-CoV-2 RNA was not directly detected in the CSF of the Omicron-related ON group, and the degree of WCC elevation was closely linked with peripapillary hemorrhages (odds ratio = 0.029, p = 0.02). Additionally, the Omicron-related ON group displayed more pronounced ganglion cell loss following 3-month treatment (p = 0.02).
CONCLUSION: Omicron-related ON is distinguished by more pronounced clinical symptoms and distinct CSF characteristics compared to spontaneous demyelinating ON. The absence of viral RNA sequence in the CSF of Omicron-associated ON supports the use of steroid monotherapy; however, varying treatment options and prognoses should be considered for these two types of ON.