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Microbiological Diagnostic Performance of Metagenomic Next-generation Sequencing When Applied to Clinical Practice

Open access
Miao, Qing, Ma, Yuyan, Wang, Qingqing, Pan, Jue, Zhang, Yao, Jin, Wenting, Yao, Yumeng, Su, Yi, Huang, Yingnan, Wang, Mengran, Li, Bing, Li, Huaying, Zhou, Chunmei, Li, Chun, Ye, Maosong, Xu, Xiaoling, Li, Yongjun, Hu, Bijie·2018·Clinical Infectious Diseases

Abstract

Background: Metagenomic next-generation sequencing (mNGS) was suggested to potentially replace traditional microbiological methodology because of its comprehensiveness. However, clinical experience with application of the test is relatively limited. Methods: From April 2017 to December 2017, 511 specimens were collected, and their retrospective diagnoses were classified into infectious disease (347 [67.9%]), noninfectious disease (119 [23.3%]), and unknown cases (45 [8.8%]). The diagnostic performance of pathogens was compared between mNGS and culture. The effect of antibiotic exposure on detection rate was also assessed. Results: The sensitivity and specificity of mNGS for diagnosing infectious disease were 50.7% and 85.7%, respectively, and these values outperformed those of culture, especially for Mycobacterium tuberculosis (odds ratio [OR], 4 [95% confidence interval {CI}, 1.7-10.8]; P < .01), viruses (mNGS only; P < .01), anaerobes (OR, ∞ [95% CI, 1.71-∞]; P < .01) and fungi (OR, 4.0 [95% CI, 1.6-10.3]; P < .01). Importantly, for mNGS-positive cases where the conventional method was inconclusive, 43 (61%) cases led to diagnosis modification, and 41 (58%) cases were not covered by empirical antibiotics. For cases where viruses were identified, broad-spectrum antibiotics were commonly administered (14/27), and 10 of 27 of these cases were suspected to be inappropriate. Interestingly, the sensitivity of mNGS was superior to that of culture (52.5% vs 34.2%; P < .01) in cases with, but not without, antibiotic exposure. Conclusions: mNGS could yield a higher sensitivity for pathogen identification and is less affected by prior antibiotic exposure, thereby emerging as a promising technology for detecting infectious diseases.

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Metadata

Authors
Miao, Q., Ma, Y., Wang, Q., Pan, J., Zhang, Y., Jin, W., Yao, Y., Su, Y., Huang, Y., Wang, M., Li, B., Li, H., Zhou, C., Li, C., Ye, M., Xu, X., Li, Y., & Hu, B.
Venue
Clinical Infectious Diseases
Published
2018-11-13
Volume
67
Issue
suppl_2
Pages
S231-S240
ISSN
  • 1058-4838 (ISSN-L)
  • 1537-6591
OpenAlex
W2903912375
Cited by
871
References
24
FWCI
26.84
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Microbiological Diagnostic Performance of Metagenomic Next-generation Sequencing When Applied to Clinical Practice. https://app.cochat.ai/papers/10.1093/cid/ciy693
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Miao, Q., Ma, Y., Wang, Q., Pan, J., Zhang, Y., Jin, W., Yao, Y., Su, Y., Huang, Y., Wang, M., Li, B., Li, H., Zhou, C., Li, C., Ye, M., Xu, X., Li, Y., & Hu, B. (2018). Microbiological Diagnostic Performance of Metagenomic Next-generation Sequencing When Applied to Clinical Practice. Clinical Infectious Diseases. https://doi.org/10.1093/cid/ciy693

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