Open Access

Early detection of gram‑negative bacteria using metagenomic next‑generation sequencing in acute respiratory distress syndrome: A case report

  • Authors:
    • Rong Wang
    • Rong Feng
    • Chaoran Xia
    • Fangying Ruan
    • Peng Luo
    • Jun Guo
  • View Affiliations

  • Published online on: July 15, 2022     https://doi.org/10.3892/etm.2022.11510
  • Article Number: 573
  • Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Metagenomic next‑generation sequencing (mNGS) is an effective method that can be used for the identification of early pathogens in patients with suspected severe pneumonia. However, the potential of mNGS for evaluating the prognosis of acute respiratory distress syndrome (ARDS) in patients with severe pneumonia remains unclear. In the present report, hospital‑acquired gram‑negative bacteria infections were detected in a case using metagenomic next‑generation sequencing (mNGS) in a sample of bronchoalveolar fluid. This was obtained from a 58‑year‑old male patient with traumatic wet lung after a neurosurgery. According to the results, of which the profiles of the resistance genes were detected by mNGS, drugs designed to control infection were adjusted, namely to polymyxin B (500,000 U/12 h), azithromycin (0.5 g/24 h) and ganciclovir (0.25 g/12 h). Following adjusting treatment for 8 days, the symptoms of lung infection and hypoxemia were markedly improved, resulting in the patient being transferred out of the intensive care unit 15 days after treatment. To conclude, observations from the present report suggest that mNGS is a useful method for the early identification of pathogens in patients with pneumonia caused by ARDS. However, further studies are required to identify the complementary role of mNGS in supporting conventional microbiological methods in routine clinical practice.

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September-2022
Volume 24 Issue 3

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Wang R, Feng R, Xia C, Ruan F, Luo P and Guo J: Early detection of gram‑negative bacteria using metagenomic next‑generation sequencing in acute respiratory distress syndrome: A case report. Exp Ther Med 24: 573, 2022
APA
Wang, R., Feng, R., Xia, C., Ruan, F., Luo, P., & Guo, J. (2022). Early detection of gram‑negative bacteria using metagenomic next‑generation sequencing in acute respiratory distress syndrome: A case report. Experimental and Therapeutic Medicine, 24, 573. https://doi.org/10.3892/etm.2022.11510
MLA
Wang, R., Feng, R., Xia, C., Ruan, F., Luo, P., Guo, J."Early detection of gram‑negative bacteria using metagenomic next‑generation sequencing in acute respiratory distress syndrome: A case report". Experimental and Therapeutic Medicine 24.3 (2022): 573.
Chicago
Wang, R., Feng, R., Xia, C., Ruan, F., Luo, P., Guo, J."Early detection of gram‑negative bacteria using metagenomic next‑generation sequencing in acute respiratory distress syndrome: A case report". Experimental and Therapeutic Medicine 24, no. 3 (2022): 573. https://doi.org/10.3892/etm.2022.11510