Profile of Bacteria with ARGs Among Real-World Samples from ICU Admission Patients with Pulmonary Infection Revealed by Metagenomic NGS

Overview

Journal Infect Drug Resist

Publisher Dove Medical Press

Date 2021 Dec 6

PMID 34866919

Citations 5

Authors

Huijuan Chen

Xinhua Bai

Yang Gao

Wenxuan Liu

XueNa Yao

Jing Wang

Affiliations

Soon will be listed here.

Abstract

Background: Treatment of pulmonary infections in the intensive care unit (ICU) represents a great challenge, especially infections caused by antibiotic resistance pathogens. A thorough and up-to-date knowledge of the local spectrum of antibiotic resistant bacteria can improve the antibiotic treatment efficiency. In this study, we aimed to reveal the profile of bacteria with antibiotic resistance genes (ARGs) in real-world samples from ICU admission patients with pulmonary infection in Mainland, China, by metagenomic next-generation sequencing (mNGS).

Methods: A total of 504 different types of clinical samples from 452 ICU admission patients with pulmonary infection were detected by mNGS analysis.

Results: A total of 485 samples from 434 patients got successful mNGS results. Among 434 patients, one or more bacteria with ARGs were detected in 192 patients (44.24%, 192/434), and ≥2 bacteria with ARGs were detected in 85 (19.59%, 85/434) patients. The predominant detected bacteria were () (11.76%, 51/434), () (11.52%, 50/434) and () (8.99%, 39/434). conferred resistance to MSL and to phenicol were the only two ARGs detected in ; in , most of ARGs were resistance-nodulation-division (RND)-type efflux pumps genes, which conferred resistance to multi-drug; conferred resistance to MSL and to multi-drug were the predominant ARGs in . Bacteria with ARGs were detected in 50% (140/280) bronchoalveolar lavage fluid (BALF) and 50.5% (48/95) sputum samples, which were significantly higher than in blood and cerebrospinal fluid (CSF) samples.

Conclusion: High level of bacteria with ARGs was observed in clinical samples, especially BALF and sputum samples from ICU admission patients with pulmonary infection in Mainland, China. And resistant to MSL and/or phenicol, multi-drug resistance and were the lead bacteria.

Citing Articles

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