期刊
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
卷 96, 期 -, 页码 68-72出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2020.04.043
关键词
Multidrug-resistant tuberculosis; Whole-genome sequencing; Treatment outcome
资金
- National Science and Technology Major Project of China [2017ZX10302301-001]
- National Natural Science Foundation of China [81761148027]
Background: Whole-genome sequencing (WGS) has been proposed to be a powerful tool to predict drug resistance for antitubercular drugs. However, the feasibility of WGS in predicting final treatment outcomes for multidrug-resistant tuberculosis (MDR-TB) patients remains unclear Patients and Methods: In this prospective observational study conducted from January 2014 to September 2016, MDR-TB patients were enrolled consecutively. Genotypic drug sensitivity testing was performed via WGS using culture isolates. Patients were followed for two years to determine the treatment outcomes. Multivariate analysis was used to identify the association between information provided by WGS and the final treatment outcomes Results: A total of 123 patients with MDR-TB were included in this study. The overall favorable treatment outcome rate was 60.2%. Multivariate analysis showed that independent risk factors associated with unfavorable treatment outcome including high-level moxifloxacin phenotypic resistance (OR, 4.362; 95% CI, 1.364-13.950; p = 0.013), cycloserine phenotypic resistance (OR, 7.457; 95%CI,1.644-33.819; p = 0.009), mutations causing high-level fluoroquinolones resistance (OR, 3.947; 95%CI,1.195-13.034; p = 0.024), and ethA mutation (OR, 3.817; 95% CI, 1.154-12.823; p = 0.028). WGS costs for each patient are (sic)450 ((sic)63), and the average turnaround time was one week Conclusions: In summary, WGS showed promising feasibility in predicting treatment outcomes for MDRTB patients within a clinically relevant time frame (C) 2020 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.
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