First report of linezolid-resistant cfr-positive methicillin-resistant Staphylococcus aureus (MRSA) in humans in Portugal

Publication date: Available online 22 May 2019Source: Journal of Global Antimicrobial ResistanceAuthor(s): Vanessa Silva, Francisco Almeida, Adriana Silva, Susana Correia, José António Carvalho, Ana Paula Castro, Eugénia Ferreira, Vera Manageiro, Manuela Caniça, Gilberto Igrejas, Patrícia Poeta
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research

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In this study, we evaluated the antimicrobial activity of the extracts from herbal plant Persicaria pensylvanica’s flower, leaf, stem, and root. This plant is also known by a common name Pennsylvania smartweed. The antimicrobial effect of the extracts was tested using minimum inhibitory concentration (MIC) and minimum bacteriocidal concentration (MBC) methods in comparison with tetracycline, a commercial antibiotic.ResultsWe found that extract from P. pensylvanica kills bovine mammary glands pathogenic S. aureus strain Newbould 305. The minimum inhibitory concentration (MIC) breakpoints for extracts from the flower, ...
Source: European Journal of Integrative Medicine - Category: Complementary Medicine Source Type: research
CONCLUSIONS: DM patients with poor glucose control are more susceptible to MRSA infection. They suffer from higher antimicrobial resistance, a higher co-infection rate, and much severer pneumonia than non-DM. MRSA itself is an independent risk factor for mortality in all patients. PMID: 31205100 [PubMed - in process]
Source: Chinese Medical Journal - Category: General Medicine Authors: Tags: Chin Med J (Engl) Source Type: research
ConclusionA significant proportion of patients acquiredS. aureus during hospitalization. The finding of more than 90% ofS. aureus SSI to be of endogenous source underscores the need of improving infection prevention and control measures including screening and decolonization of high risk patients.
Source: Antimicrobial Resistance and Infection Control - Category: Infectious Diseases Source Type: research
This study aimed at delineating the prevalence, antimicrobial resistance, and biofilm-forming potentials of nasally colonized MRSA among HIV patients in the Arba Minch province of Ethiopia. A cross-sectional study was performed in HIV patients who visit anti-retroviral therapy clinic of the Arba Minch Hospital between February and April 2017. Nasal samples were collected and inspected for Staphylococcus following standard procedures. MRSA was identified using cefoxitin disk and antibiotics sensitivity test was performed as per Kirby-Baur disk diffusion method. The formation of biofilm was inspected using both qualitative a...
Source: Acta Microbiologica et Immunologica Hungarica - Category: Microbiology Authors: Tags: Acta Microbiol Immunol Hung Source Type: research
In conclusion this study showed a high detection rate of staphylococci in bovine quarter milk samples. In contrast MRSA was rarely detected and belonged in all cases to CC398. Only 11/358 MSSA (3.1%) belonged to this CC.
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
ConclusionsThis study highlighted an increase in number and types of mutations at QRDR of gyrA and parC genes associated with high fluoroquinolones MIC that may be related to changes in the epidemiological profile of MRSA isolates from hospitals in Rio de Janeiro.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
Limited information is available on antimicrobial susceptibility and clonal distribution of Staphylococcus aureus in the Caribbean region. The aims of this study were to determine the prevalence of antimicrobial resistance among clinical S. aureus isolates and to reveal the frequency and population structure of methicillin-resistant S. aureus (MRSA) in St Kitts and Nevis, a small island country in the West Indies. A total of 152 S. aureus were collected from consecutive samples submitted to the clinical microbiology laboratory of the main referral hospital from March 2017 to January 2018. Samples came from all units in the...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
ConclusionsThis is the first evaluation of the bactericidal activity against S. aureus and P. aeruginosa strains surviving in the MSW of disinfectants. Environmental disinfection at low concentrations of sodium hypochlorite does not kill micro-organisms. Proper use of sodium hypochlorite shows a bactericidal effect against various pathogenic micro-organisms and is inexpensive, making it frequently used globally.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
ConclusionsThe detection rates of MRSA and VRE stayed at moderate and low levels during the three year period of this study, while local dissemination was found in MRSA and VRE isolates. Sustained surveillance is necessary to prevent the spread or clonal dissemination of drug-resistant strains in Zhejiang China.
Source: Antimicrobial Resistance and Infection Control - Category: Infectious Diseases Source Type: research
In this study, we evaluated the antimicrobial activity of the extracts from herbal plant Persecaria pensylvanicum’s flower, leaf, stem and root. This plant is also known by a common name Pennsylvania smartweed. The antimicrobial effect of the extracts was tested using minimimum inhibitory concentration (MIC) and minimum bacteriocidal concentration (MBC) methods in comparison with tetracycline, a commercial antibiotic.ResultsWe found that extract from P. pensylvanicum kills bovine mammary glands pathogenic S. aureus strain Newbould 305. The minimum inhibitory concentration (MIC) breakpoints for extracts from flower, l...
Source: European Journal of Integrative Medicine - Category: Complementary Medicine Source Type: research
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