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Comparative study of metagenomics next generation sequencing of cerebrospinal fluid in the diagnosis test of the pathogen of neurobrucellosis / 中华神经科杂志
Chinese Journal of Neurology ; (12): 1128-1133, 2021.
Article in Chinese | WPRIM | ID: wpr-911846
ABSTRACT

Objective:

To explore the value of metagenomics next generation sequencing of cerebrospinal fluid in the diagnosis test of the pathogen of neurobrucellosis.

Methods:

Medical records of neurobrucellosis patients who were admitted to Xuanwu Hospital, Capital Medical University from May 2017 to February 2021 were reviewed. Seven patients who underwent cerebrospinal fluid metagenomics next generation sequencing were enrolled. Their clinical characteristics, cerebrospinal fluid results, serological and pathogenic results were analyzed.

Results:

Among the seven neurobrucellosis patients, including five males and two females, the age was from 21 to 49 [38 (24, 47)] years. Three patients had a history of exposure to cattle and sheep. The duration from onset to diagnosis was 2 to 30 [12 (5, 18)] months. The main neurological manifestations were headache for seven patients, loss of hearing for three patients, paralysis for four patients and urinary and fecal dysfunction for four patients. The blood tests showed that the rose bengal test was positive in three of seven patients, Brucella serum agglutination test was positive in four of six patients, and the blood culture was negative in four patients. The cerebrospinal fluid tests showed that rose bengal test was positive in one of five patients, Brucella serum agglutination test was positive in two of four patients, and the cerebrospinal fluid culture was positive in two of five patients. Cerebrospinal fluid metagenomics next generation sequencing was positive for Brucella in five patients.

Conclusions:

Comparing with the cerebrospinal fluid Brucella serum agglutination test and cerebrospinal fluid culture, cerebrospinal fluid metagenomics next generation sequencing is sensitive to the diagnosis of neurobrucellosis. It is recommended to perform cerebrospinal fluid metagenomics next generation sequencing in patients with clinically suspected neurobrucellosis or central nervous system infections of which the pathogen cannot be confirmed.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Neurology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Neurology Year: 2021 Type: Article