• Eryi Zhao, Daimei Wang, Zhongyan Zhao, Ling Xie, Xiangying He, Peijian Huang, Feng Ouyang, Guoqiang Wen, Shixiong Huang, and Yuanlin Guan.
• Hainan Medical University, Hainan General Hospital, Department of Neurology - Hainan, China.
• Rev Assoc Med Bras (1992). 2022 Jan 1; 68 (12): 166316671663-1667.

ObjectiveThe aim of this study was to investigate the value of next-generation sequencing for the diagnosis of Streptococcus suis meningitis.MethodsPatients with meningitis in the Department of Neurology of the Hainan General Hospital were recruited and divided into a next-generation sequencing group and a control group. In the next-generation sequencing group, we used the next-generation sequencing method to detect the specific pathogenic bacteria in the patients. In the control group, we used the cerebrospinal fluid bacterial culture method to detect the specific pathogenic bacteria in the patients.ResultsA total of 28 participants were recruited for this study, with 14 participants in each group. The results showed similarities in both the average age and average course of the disease between the two groups (p>0.05). The white blood cell count, percentage of neutrophils, and level of C-reactive protein in the next-generation sequencing group were significantly higher than those in the control group (p<0.05). There were similarities in both the temperature and intracranial pressure between the two groups (p>0.05). In the next-generation sequencing group, all patients (100%) were detected as having had the S. suis meningitis infection by next-generation sequencing, while only 6 (43%) patients in the control group had been detected as having the S. suis meningitis infection by cerebrospinal fluid bacterial culture.ConclusionsThe positive detection rate of S. suis by the next-generation sequencing method was significantly higher compared with using a cerebrospinal fluid bacterial culture. Therefore, the next-generation sequencing method is valuable for the diagnosis of S. suis meningitis and is worthy of clinical application.

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