External Ventricular Drain Infections: Risk Factors and Outcome.

External Ventricular Drain Infections: Risk Factors and Outcome. Interdiscip Perspect Infect Dis. 2014;2014:708531 Authors: Hagel S, Bruns T, Pletz MW, Engel C, Kalff R, Ewald C Abstract External ventricular drainage (EVD) is frequently used in neurosurgery to drain cerebrospinal fluid in patients with raised intracranial pressure. We performed a retrospective single center study in order to evaluate the incidence of EVD-related infections and to identify underlying risk factors. 246 EVDs were placed in 218 patients over a 30-month period. EVD was continued in median for 7 days (range 1-44). The cumulative incidence of EVD-related infections was 8.3% (95% CI, 5.3-12.7) with a device-associated infection rate of 10.4 per 1000 drainage days (95% CI, 6.2-16.5). The pathogens most commonly identified were coagulase-negative Staphylococcus (62%) followed by Enterococcus spp. (19%). Patients with an EVD-related infection had a significantly longer ICU (11 versus 21 days, P
Source: Interdisciplinary Perspectives on Infectious Diseases - Category: Infectious Diseases Tags: Interdiscip Perspect Infect Dis Source Type: research

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wati Satari The utilization of medicinal plants has long been explored for the discovery of antibacterial agents and the most effective mechanisms or new targets that can prevent and control the spread of antibiotic resistance. One kind of bacterial cell wall inhibition is the inactivation of the MurA enzyme that contributes to the formation of peptidoglycan. Another approach is to interfere with the cell–cell communication of bacteria called the Quorum sensing (QS) system. The blocking of auto-inducer such as gelatinase biosynthesis-activating pheromone (GBAP) can also suppress the virulence factors of gelatinas...
Source: Molecules - Category: Chemistry Authors: Tags: Article Source Type: research
Infections caused by Gram-positive bacteria are a major public health problem due to their increasing resistance to antibiotics. Staphylococcus and Enterococcus species’ resistance and pathogenicity are enhanced by their ability to form biofilm. The biofilm lifestyle represents a significant obstacle to treatment because bacterial cells become highly tolerant to a wide range of antimicrobial compounds normally effective against their planktonic forms. Thus, novel therapeutic strategies targeting biofilms are urgently needed. The lipoglycopeptide dalbavancin is a long-acting agent for treating acute bacterial skin and...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Journal of Proteome ResearchDOI: 10.1021/acs.jproteome.1c00635
Source: Journal of Proteome Research - Category: Biochemistry Authors: Source Type: research
Conclusion. Efavirenz inhibits S. aureus biofilm formation and virulence in vitro.PMID:34668851 | DOI:10.1099/jmm.0.001433
Source: Journal of Medical Microbiology - Category: Microbiology Authors: Source Type: research
AbstractGut dysbiosis is an important modifier of pathologies including cardiovascular disease but our understanding of the role of individual microbes is limited. Here, we have used transplantation of mouse microbiota into microbiota-deficient zebrafish larvae to study the interaction between members of a mammalian high fat diet-associated gut microbiota with a lipid rich diet challenge in a tractable model species. We find zebrafish larvae are more susceptible to hyperlipidaemia when exposed to the mouse high fat-diet-associated microbiota and that this effect can be driven by two individual bacterial species fractionate...
Source: BioFactors - Category: Biochemistry Authors: Tags: Research Communication Source Type: research
Healthcare associated infections caused by vancomycin-resistant Enterococcus faecium (VREfm) have a major impact on health outcomes. VREfm is difficult to treat because of intrinsic and acquired resistance to many clinically used antimicrobials, with daptomycin being one of the few last line therapeutic options for treating multidrug-resistant VREfm. The emergence of daptomycin-resistant VREfm is therefore of serious clinical concern. Despite this, the impact that daptomycin-resistant VREfm have on patient health outcomes is not clearly defined and knowledge on the mechanisms and genetic signatures linked with daptomycin r...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Bacterial pathogens rely on a complex network of regulatory proteins to adapt to hostile and nutrient-limiting host environments. The phosphoenolpyruvate phosphotransferase system (PTS) is a conserved pathway in bacteria that couples transport of sugars with phosphorylation to monitor host carbohydrate availability. A family of structurally homologous PTS-regulatory-domain-containing virulence regulators (PCVRs) has been recognized in divergent bacterial pathogens, including Streptococcus pyogenes Mga and Bacillus anthracis AtxA. These paradigm PCVRs undergo phosphorylation, potentially via the PTS, which impacts their dim...
Source: Frontiers in cellular and infection microbiology - Category: Microbiology Source Type: research
AbstractBackgroundSuperficial surgical site infections (SSSIs) are a major reason for morbidity after abdominal surgery. Microbiologic isolates of SSSIs vary widely geographically. Therefore, knowledge about the specific bacterial profile is of paramount importance to prevent SSSI.MethodsWe performed a subgroup analysis of the microbiological isolates from patients with SSSI after abdominal surgery that were included in our institutional wound register. We aimed at identifying predominant strains as well as risk factors that would predispose for SSSI with certain bacteria.ResultsA total of 494 patients were eligible for an...
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Journal of Medicinal ChemistryDOI: 10.1021/acs.jmedchem.1c00939
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Candida albicans and Enterococcus faecalis biofilm-associated infections have been a huge challenge to the medical community. However, the efficacy of natural products against mixed biofilms of C. albicans and E. faecalis still remains largely unexploited. The aim of this study was to evaluate the efficacy of luteolin against planktonic cell growth, adhesion, and biofilm formation of C. albicans and E. faecalis in single and mixed cultures in vitro. The results showed that the minimum inhibitory concentrations of luteolin against planktonic cells of C. albicans, E. faecalis, and mixed cultures were 32 and 64 μg ml&ndash...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
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