Epidemiology and control of meticillin-resistant Staphylococcus aureus in Stockholm County, Sweden, 2000 to 2016: overview of a “search-and-contain” strategy

AbstractTo review the epidemiology and measures to control meticillin-resistantStaphylococcus aureus, MRSA, in Stockholm between 2000 and 2016 from the perspective of the Department of Communicable Disease Control and Prevention, Stockholm County Council, Sweden. Age, sex, and place of acquisition of their MRSA on all patients reported to the department were reviewed. Measures for control included surveillance through mandatory reporting of cases, screening patients with risk factors for MRSA, strict adherence to basic nursing hygienic principles, isolation of MRSA positive patients in single rooms in dedicated MRSA wards, and cohorting of staff. An MRSA team was created at the Department of Infectious Diseases, Karolinska University Hospital, for follow-up of all cases. Several administrative meetings and cooperative groups were formed that are still in function. From 2000 to 2016, there were 7373 MRSA cases reported. Healthcare-associated MRSA, HA-MRSA, was successfully controlled, and from 2006 onwards, very limited HA-MRSA transmission or outbreaks occurred. However, incidence increased overall, from 9.5 per 100,000 in 2000 to 37.3 per 100,000 in 2016, due to increase of MRSA acquired abroad and of MRSA acquired in the Swedish community. Surveillance and control measures have been successful in containing HA-MRSA in Stockholm, Sweden, but incidence has increased substantially due to imported cases and spread in the Swedish community. The strategy may be termed “sear...
Source: European Journal of Clinical Microbiology and Infectious Diseases - Category: Microbiology Source Type: research

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AbstractThe incidence of methicillin-resistantStaphylococcus aureus (MRSA) has increased sharply in Hospital District of Southwest Finland (HD). To understand reasons behind this, a retrospective, population-based study covering 10  years was conducted. All new 983 MRSA cases in HD from January 2007 to December 2016 were analysed. Several data sources were used to gather background information on the cases. MRSA cases were classified as healthcare-associated (HA-MRSA), community-associated (CA-MRSA), and livestock contact was determined (livestock-associated MRSA, LA-MRSA).Spa typing was performed to all available str...
Source: European Journal of Clinical Microbiology and Infectious Diseases - Category: Microbiology Source Type: research
ConclusionLA-MRSA CC398 is transmittable in hospitals, and intervention against transmission may reach considerable costs. CgMLST is useful in surveillance of hospital transmission of LA-MRSA.
Source: Journal of Hospital Infection - Category: Infectious Diseases Source Type: research
In this study, we established a long-read technology-based WGS screening program of all first-episode methicillin-resistant Staphylococcus aureus (MRSA) blood infections at a major urban hospital. A survey of 132 MRSA genomes assembled from long reads enabled detailed characterization of an outbreak lasting several months of a CC5/ST105/USA100 clone among 18 infants in a neonatal intensive care unit (NICU). Available hospital-wide genome surveillance data traced the origins of the outbreak to three patients admitted to adult wards during a 4-month period preceding the NICU outbreak. The pattern of changes among complete ou...
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Epidemiology Source Type: research
The increase and spread of virulent-outbreak associated, methicillin and vancomycin resistant (MRSA/VRSA) Staphylococcus aureus require a better understanding of the resistance and virulence patterns of circulati...
Source: BMC Microbiology - Category: Microbiology Authors: Tags: Research article Source Type: research
ConclusionInfection prevention and control practices regarding active pathogen surveillance cultures and the use of barrier precautions varied widely in Japanese neonatal units. National guidelines and evidence-based recommendations are needed to rationalize and standardize current infection prevention and control practices in neonatal units in Japan.
Source: Journal of Hospital Infection - Category: Infectious Diseases Source Type: research
Genomic surveillance that combines bacterial sequencing and epidemiological information will become the gold standard for outbreak detection, but its clinical translation is hampered by the lack of automated interpretation tools. We performed a prospective pilot study to evaluate the analysis of methicillin-resistant Staphylococcus aureus (MRSA) genomes using the Next Gen Diagnostics (NGD) automated bioinformatics system. Seventeen unselected MRSA-positive patients were identified in a clinical microbiology laboratory in England over a period of 2 weeks in 2018, and 1 MRSA isolate per case was sequenced on the Illumina Min...
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Bacteriology Source Type: research
This study reports an MRSA outbreak in a level-II neonatal intensive care unit (NICU) of a secondary care hospital in Pakistan. Once identified, an infection control team from the parent hospital visited the facility, risk factors were listed and infection control measures taken to control the outbreak. Screening cultures of NICU staff and environmental cultures from NICU were obtained for the presence of MRSA. Five neonates were positive for MRSA; one HCW was found to be colonized with MRSA, the antibiogram pattern of which matched with that of the outbreak strain. Decolonization of colonized HCWs and re-deployment from N...
Source: Eastern Mediterranean Health Journal - Category: Middle East Health Tags: East Mediterr Health J Source Type: research
In this study, we have suggested that LysSAP8 could be a potent alternative as a biocontrol agent that can be used to combat MRSA. PMID: 31635440 [PubMed - as supplied by publisher]
Source: Journal of Microbiology and Biotechnology - Category: Biotechnology Authors: Tags: J Microbiol Biotechnol Source Type: research
Authors: Jowitt D Abstract Deadly outbreaks of antibiotic-resistant staphylococcal infection occurred in New Zealand from the mid-1950s to early 1960s. The 'H' or 'Hospital-Bug' epidemic was part of a pandemic wave characterised by high numbers of nosocomial staphylococcal infections and the capacity of Staphylococcus aureus to develop resistance to commonly used antibiotics. Surgical patients and childbearing women and babies proved particularly vulnerable to the predominant pathogenic strain, identified as phage type 80/81. The post-war baby boom was at its height in New Zealand, and overcrowded maternity hospita...
Source: New Zealand Medical Journal - Category: General Medicine Tags: N Z Med J Source Type: research
ConclusionInfection prevention and control practices regarding active pathogen surveillance cultures and the use of barrier precautions varied widely in Japanese neonatal units. National guidelines and evidence-based recommendations are needed to rationalize and standardize current infection prevention and control practices in neonatal units in Japan.
Source: Journal of Hospital Infection - Category: Infectious Diseases Source Type: research
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