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| Content Provider | frontiers |
|---|---|
| Author | Ge, Mengmeng Gan, Mingyu Yan, Kai Xiao, Feifan Yang, Lin Wu, Bingbing Xiao, Mili Ba, Yin Zhang, Rong Wang, Jin Cheng, Guoqiang Wang, Laishuan Cao, Yun Zhou, Wenhao Hu, Liyuan |
| Abstract | Objectives: Central nervous system (CNS) infection has a high incidence and mortality in neonates, but conventional tests are time-consuming and have a low sensitivity. CNS infection syndrome, which is similar, might be due to rare genetic diseases. Therefore, we aimed to evaluate the performance of metagenomic next-generation sequencing (mNGS) in diagnosing neonatal CNS infection and to explore the etiology of neonatal suspected CNS infection by combining mNGS with whole exome sequencing (WES). Methods: We prospectively enrolled neonates with a suspected CNS infection who were admitted to the neonatal intensive care unit(NICU) from September 1, 2019, to May 31, 2020. Cerebrospinal fluid (CSF) samples collected from all patients were tested by using conventional methods and mNGS. For patients with a confirmed CNS infection and patients with an unclear clinical diagnosis, WES was performed on blood samples. Results: Eighty-eight neonatal patients were enrolled, and 101 CSF samples were collected. Fourty-three blood samples were collected for WES. mNGS showed a sample diagnostic yield of 19.8% (20/101) compared to 4.95% (5/101) for the conventional methods. In the empirical treatment group, the detection rate of mNGS was significantly higher than that of conventional methods [27% vs. 6.3%, p=0.002]. Among the 88 patients,15 patients were etiologically diagnosed by mNGS alone, five patients were etiologically identified by WES alone, and one patient was diagnosed by both mNGS and WES. Twelve of 13 diagnoses based solely on mNGS had a likely clinical effect. Six patients diagnosed by WES also experienced clinical effect. Conclusions: For patients with a suspected CNS infections, mNGS combined with WES might significantly improve the diagnostic rate of the etiology and effectively guide clinical strategies. |
| ISSN | 22352988 |
| DOI | 10.3389/fcimb.2021.671109 |
| Volume Number | 11 |
| Journal | Frontiers in Cellular and Infection Microbiology |
| Language | English |
| Publisher Date | 2021-06-18 |
| Access Restriction | Open |
| Subject Keyword | Metagenomic sequencing WES NICu Suspected central nervous system infection Neonates |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Immunology Microbiology Microbiology (medical) |
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