Evaluation of BACTEC MGIT 960 system for recovery of Nocardia from clinical specimens
Copyright © 2023 Elsevier Inc. All rights reserved..
Nocardia spp. is an aerobic Gram-positive bacillus responsible for nocardiosis. Herein, we performed a retrospective study to evaluate the performance of BACTEC MGIT 960 system, in comparison with smear microscopy and blood agar plate (BAP) culture, to recover Nocardia from different clinical specimens. Furthermore, the inhibitory effect of antibiotics contained in MGIT 960 tube on Nocardia was also evaluated. The sensitivities for Nocardia recovery using smear microscopy, BAP culture, and MGIT 960 were 39.4% (54/137), 46.1% (99/215), and 81.3% (156/192), respectively. N. farcinica was the most detected species (60.4%, 136/225). In MGIT 960-recovered Nocardia strains, N. farcinica accounted for 76.9%. Furthermore, trimethoprim in MGIT 960 tube inhibited less N. farcinica growth than that of other Nocardia species, partially explaining why MGIT 960 recovered more N. farcinica from sputa. The current study demonstrated that MGIT 960 could recover Nocardia strains from heavily-contaminated samples if its components and antibiotics are redesigned.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:106 |
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| Enthalten in: |
Diagnostic microbiology and infectious disease - 106(2023), 4 vom: 15. Aug., Seite 115989 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hu, Yanning [VerfasserIn] |
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| Links: |
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| Themen: |
9002-18-0 |
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| Anmerkungen: |
Date Completed 03.07.2023 Date Revised 03.07.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.diagmicrobio.2023.115989 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Nocardia spp. is an aerobic Gram-positive bacillus responsible for nocardiosis. Herein, we performed a retrospective study to evaluate the performance of BACTEC MGIT 960 system, in comparison with smear microscopy and blood agar plate (BAP) culture, to recover Nocardia from different clinical specimens. Furthermore, the inhibitory effect of antibiotics contained in MGIT 960 tube on Nocardia was also evaluated. The sensitivities for Nocardia recovery using smear microscopy, BAP culture, and MGIT 960 were 39.4% (54/137), 46.1% (99/215), and 81.3% (156/192), respectively. N. farcinica was the most detected species (60.4%, 136/225). In MGIT 960-recovered Nocardia strains, N. farcinica accounted for 76.9%. Furthermore, trimethoprim in MGIT 960 tube inhibited less N. farcinica growth than that of other Nocardia species, partially explaining why MGIT 960 recovered more N. farcinica from sputa. The current study demonstrated that MGIT 960 could recover Nocardia strains from heavily-contaminated samples if its components and antibiotics are redesigned | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Nocardia | |
| 650 | 4 | |a Nocardia farcinica | |
| 650 | 4 | |a Nocardiosis | |
| 650 | 4 | |a Smear microscopy | |
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| 700 | 1 | |a Zhang, Yulin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Jiankang |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, Yanyan |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yongli |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Ziyao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xinmeng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Feilong |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Binghuai |e verfasserin |4 aut | |
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