Abstract
Bell’s palsy (BP) represents a major cause leading to facial paralysis in the world. The etiology of BP is still unknown, and virology is the prevailing theory. The purpose of this study is to explore the pathogenic microorganisms that may be related to BP, and it is of great significance to study the pathogenesis and treatment of BP. Metagenomic next-generation sequencing (mNGS) detection was performed in the epineurium of the facial nerve of 30 BP patients who underwent facial nerve epineurium decompression. A total of 84 pathogenic microorganisms were detected in 30 clinical samples, including 4 viruses, 10 fungi, and 70 bacteria. The species with the highest detection frequency in virus was human betaherpesvirus 7 (HHV-7). The species with the highest detection frequency in Fungi was Malassezia restricta. The species with the highest detection frequency in Bacteria was Pseudomonas aeruginosa. In this study, mNGS method was firstly used to detect the pathogenic microorganisms in the epineurium of the facial nerve with BP patients. We have for the first time identified HHV-7 and aspergillus in the epineurium of the facial nerve of BP patients. These results suggest that these two pathogenic microorganisms should be considered in the pathogenesis of BP.
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Chang, B., Wei, X., Wang, X. et al. Metagenomic next-generation sequencing of viruses, bacteria, and fungi in the epineurium of the facial nerve with Bell’s palsy patients. J. Neurovirol. 26, 727–733 (2020). https://doi.org/10.1007/s13365-020-00892-7
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DOI: https://doi.org/10.1007/s13365-020-00892-7