Distribution of emm types in invasive and non-invasive group A and G streptococci.

Eur J Clin Microbiol Infect Dis

Bacteriology Unit, Department of Infectious Disease Surveillance and Control, National Institute for Health and Welfare (THL), Helsinki, P.O. Box 30, 00271, Finland.

Published: June 2012

Our study describes the emm type distributions of invasive and non-invasive group A streptococci (GAS) and group G streptococci (GGS) strains in one of the biggest Health Districts in Finland. A total of 571 GAS or GGS were recovered from patients with invasive or non-invasive infections during a 1-year period in 2008-2009 in Pirkanmaa Health District in Finland. We describe here the emm type distributions of GAS and GGS collected from throat (n = 246), pus (n = 217), deep tissue (n = 56) and blood (n = 52). The most common emm types among GAS were emm77, emm1, emm28, emm89 and emm12. Among GGS, the most common emm types were stG480, stG643, stG6, stC6979 and stG485. Some emm types were found to associate with certain infection focus. In GAS, emm77 associated with pus isolates, whereas emm1 and emm12 were more frequent among throat isolates. In GGS, stG480 was more commonly found from throat isolates.

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10096-011-1436-2DOI Listing

Publication Analysis

Top Keywords

emm types
16
invasive non-invasive
12
group streptococci
12
non-invasive group
8
emm type
8
type distributions
8
gas ggs
8
common emm
8
gas emm77
8
throat isolates
8

Similar Publications

Antimicrobial resistance and epidemiological patterns of Streptococcus pyogenes in Türkiye.

J Infect Public Health

December 2024

Department of Medical Microbiology, School of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey; Department of Medical Biotechnology, Institute of Health Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey. Electronic address:

Background: Drug-resistant Group A beta-hemolytic streptococci remain significant infectious agents globally. This study investigated the major S. pyogenes strains responsible for infections in Türkiye and their susceptibility to beta-lactam and macrolide antibiotics.

View Article and Find Full Text PDF

The application of environmental health assessment strategies to detect Streptococcus pyogenes in Kimberley school classrooms.

Infect Dis Health

December 2024

Wesfarmers Centre of Vaccines and Infectious Diseases, The Kids Research Institute Australia, Nedlands, WA, Australia; Medical School, University of Western Australia, Crawley, WA, Australia; Department of Infectious Diseases, Perth Children's Hospital, Nedlands, WA, Australia.

Background: Children spend almost one-third of their waking hours at school. Streptococcus pyogenes (Strep A) is a common childhood bacterial infection that can progress to causing serious disease. We aimed to detect Strep A in classrooms by using environmental settle plates and swabbing of high-touch surfaces in two remote schools in the Kimberley, Western Australia.

View Article and Find Full Text PDF

Transcranial direct current stimulation (tDCS) enhances cognitive function in schizophrenia: A randomized double-blind sham-controlled trial.

Psychiatry Res

December 2024

CIBERSAM-ISCIII (Biomedical Research Networking Centre for Mental Health), Spain; Health Research Institute Hospital 12 de Octubre (imas12), Madrid, Spain; Complutense University of Madrid (UCM), Madrid, Spain.

This study aimed to examine the cognitive effects of tDCS and the subjective cognitive improvement perceived by patients with schizophrenia. A total of 173 outpatients diagnosed with schizophrenia were recruited for this double-blind, randomized, placebo-controlled trial. Two different stimulation modes were applied: 2 mA 20 minutes active tDCS and sham tDCS.

View Article and Find Full Text PDF

Clinical Snapshot of Group A Streptococcal Isolates from an Australian Tertiary Hospital.

Pathogens

November 2024

Australian Infectious Diseases Research Centre, Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4067, Australia.

(Group A , GAS) is a human-restricted pathogen that causes a wide range of diseases from pharyngitis and scarlet fever to more severe, invasive infections such as necrotising fasciitis and streptococcal toxic shock syndrome. There has been a global increase in both scarlet fever and invasive infections during the COVID-19 post-pandemic period. The aim of this study was the molecular characterisation of 17 invasive and non-invasive clinical non-1 GAS isolates from an Australian tertiary hospital collected between 2021 and 2022.

View Article and Find Full Text PDF

Hemostatic derangements associated with cardiopulmonary bypass predict outcomes in pediatric patients undergoing corrective heart surgery.

J Thromb Haemost

November 2024

Division of Hematology, The Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, and the University of Cincinnati College of Medicine, Cincinnati, Ohio, USA. Electronic address:

Background: Understanding of the hemostatic and complement alterations associated with cardiopulmonary bypass (CPB) in pediatric patients and the impact of these alterations on outcome is limited.

Objectives: The present study prospectively characterized these alterations and their association with postoperative outcomes in pediatric CPB.

Methods: All patients aged <21 years undergoing CPB at the authors' institution between 2020 and 2021 who weighed >3 kg, were >36 weeks gestational age, and had no known prothrombotic or hemorrhagic disorders were eligible.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!