Trends in molecular characteristics and antimicrobial resistance of group B streptococci: a multicenter study in Serbia, 2015-2020.


Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
12 01 2021
Historique:
received: 26 08 2020
accepted: 07 12 2020
entrez: 13 1 2021
pubmed: 14 1 2021
medline: 31 8 2021
Statut: epublish

Résumé

Group B Streptococcus (GBS) is a major cause of neonatal morbidity and mortality. Serbia has not fully implemented preventive measures against GBS neonatal diseases. Therefore, we aimed to assess the maternal GBS colonisation and invasive neonatal disease rate, to reveal the trends of antimicrobial resistance and serotype distribution of GBS from various patient groups. Randomly selected non-invasive (n = 991) and all invasive GBS (n = 80) collected throughout Serbia from 2015 to 2020 were tested for antimicrobial susceptibility, capsular typing, and hvgA detection. Overall, 877/5621 (15.6%) pregnant women were colonised with GBS. Invasive GBS infections incidence in infants (0.18/1000 live births) showed a decreasing trend (0.3 to 0.1/1000 live births). Type III was overrepresented in infants with invasive infections (n = 35, 58.3%), whereas type V predominated among colonised adults (n = 224, 25.5%) and those with noninvasive (n = 37, 32.5%) and invasive infections (n = 8, 40%). The hypervirulent clone III/ST17 was highly associated with invasive infections (n = 28, 35%), particularly late-onset disease (n = 9, 47.4%), showing an increase from 12.3 to 14.8%. The GBS resistance to erythromycin and clindamycin was 26.7% and 22.1%, respectively, with an upward trend. The emergence of the hypervirulent clone III/ST17 and the escalation in GBS resistance highlight an urgent need for continuous monitoring of GBS infections.

Identifiants

pubmed: 33436658
doi: 10.1038/s41598-020-79354-3
pii: 10.1038/s41598-020-79354-3
pmc: PMC7804007
doi:

Substances chimiques

Anti-Bacterial Agents 0
Clindamycin 3U02EL437C
Erythromycin 63937KV33D

Types de publication

Journal Article Multicenter Study Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

540

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Auteurs

Dusan Kekic (D)

Institute for Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica No. 1, 11000, Belgrade, Serbia. dusan_vk@yahoo.com.

Ina Gajic (I)

Institute for Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica No. 1, 11000, Belgrade, Serbia.

Natasa Opavski (N)

Institute for Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica No. 1, 11000, Belgrade, Serbia.

Milan Kojic (M)

Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11000, Belgrade, Serbia.

Goran Vukotic (G)

Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11000, Belgrade, Serbia.
Faculty of Biology, University of Belgrade, 11000, Belgrade, Serbia.

Aleksandra Smitran (A)

Institute for Microbiology and Immunology, Medical Faculty, University of Banja Luka, 78000, Banja Luka, Bosnia and Herzegovina.

Lidija Boskovic (L)

Department for Microbiology, University Hospital Center "Dr Dragisa Misovic", 11000, Belgrade, Serbia.

Marina Stojkovic (M)

Department for Microbiology, The Obstetrics and Gynaecology Clinic "Narodni Front", 11000, Belgrade, Serbia.

Lazar Ranin (L)

Institute for Microbiology and Immunology, Medical Faculty, University of Belgrade, Dr Subotica No. 1, 11000, Belgrade, Serbia.

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