Surveillance of the Antimicrobial Susceptibility and Molecular Characteristics of Neisseria gonorrhoeae Isolates Collected in Changsha, China from 2016 to 2021
Antibiotic treatment is critical for individuals infected with gonorrhea and preventing disease transmission. This study aimed to analyze the antimicrobial susceptibility and molecular epidemiological characteristics of Neisseria gonorrhoeae isolates in Changsha, China. A total of 271 N.gonorrhoeae isolates collected from the clinical laboratories of two hospitals between 2016 and 2021 were analyzed for antimicrobial susceptibility using the agar dilution method. N. gonorrhoeae multi-antigen sequence typing (NG-MAST) was conducted for genotyping, and phylogenetic analysis was performed using the porB and tbpB sequences. The results showed that antimicrobial resistance against ciprofloxacin, tetracycline, and penicillin was high, and these drugs are no longer recommended for the treatment of gonorrhea. All isolates were susceptible to spectinomycin. However, in 2016-2021, a total of 15 (5.5%) ceftriaxone (CRO)-resistant strains and 31 (11.4%) isolates with decreased susceptibility to CRO were found, and the resistance rate to azithromycin had reached 7.1% in 2016-2017. Epidemiologically, the mosaic penA allele was identified in all CRO-resistant isolates. Based on NG-MAST, ST5061 was the most prevalent ST. Phylogenetic analysis suggested that the resistant isolates did not cluster independently. Despite focus on the local situation, this study raises the need for better gonorrhea medication and highlights that CRO may not be adequate as first-line treatment for gonorrhea in Changsha.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:76 |
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| Enthalten in: |
Japanese journal of infectious diseases - 76(2023), 3 vom: 24. Mai, Seite 167-173 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yuan, Qianqin [VerfasserIn] |
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| Links: |
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| Themen: |
75J73V1629 |
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| Anmerkungen: |
Date Completed 26.05.2023 Date Revised 26.05.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.7883/yoken.JJID.2022.532 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM350864616 |
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| 520 | |a Antibiotic treatment is critical for individuals infected with gonorrhea and preventing disease transmission. This study aimed to analyze the antimicrobial susceptibility and molecular epidemiological characteristics of Neisseria gonorrhoeae isolates in Changsha, China. A total of 271 N.gonorrhoeae isolates collected from the clinical laboratories of two hospitals between 2016 and 2021 were analyzed for antimicrobial susceptibility using the agar dilution method. N. gonorrhoeae multi-antigen sequence typing (NG-MAST) was conducted for genotyping, and phylogenetic analysis was performed using the porB and tbpB sequences. The results showed that antimicrobial resistance against ciprofloxacin, tetracycline, and penicillin was high, and these drugs are no longer recommended for the treatment of gonorrhea. All isolates were susceptible to spectinomycin. However, in 2016-2021, a total of 15 (5.5%) ceftriaxone (CRO)-resistant strains and 31 (11.4%) isolates with decreased susceptibility to CRO were found, and the resistance rate to azithromycin had reached 7.1% in 2016-2017. Epidemiologically, the mosaic penA allele was identified in all CRO-resistant isolates. Based on NG-MAST, ST5061 was the most prevalent ST. Phylogenetic analysis suggested that the resistant isolates did not cluster independently. Despite focus on the local situation, this study raises the need for better gonorrhea medication and highlights that CRO may not be adequate as first-line treatment for gonorrhea in Changsha | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Jiang, Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Danning |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Qinglin |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Chuanhao |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Xinwu |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Hongzhi |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Lingli |e verfasserin |4 aut | |
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