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: An Unlikely Device-related Infection.
J Community Hosp Intern Med Perspect
January 2025
Department of Medicine, West Virginia University, House Staff 4Floor HSC-N Morgantown, PO Box 9168, Morgantown, WV, USA.
Implantable cardiac devices, including cardiac pacemakers, are not without risk for infection, carrying a mortality and morbidity of around 5-15%. Gram positive organisms are most common in 91% of cases, whereas gram negative organisms are less common, found in 2% of cases secondary to gram negative organisms other than . Here, we present a rare case of the gram-negative organism leading to a pacemaker site infection.
View Article and Find Full Text PDFAspartic acid unveils as antibiofilm agent and tobramycin adjuvant against mucoid and small colony variants of isolates within cystic fibrosis airway mucus.
Biofilm
June 2025
CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
Antibiotics are central to managing airway infections in cystic fibrosis (CF), yet current treatments often fail due to the presence of biofilms, settling down the need for seeking therapies targeting biofilms. This study aimed to investigate the antibiofilm activity of aspartic acid and its potential as an adjuvant to tobramycin against biofilms formed by mucoid and small colony variant (SCV) tobramycin tolerant strain. We assessed the effect of aspartic acid on both surface-attached and suspended biofilms within CF artificial mucus and investigated the synergistic impact of combining it with non-lethal tobramycin concentrations.
View Article and Find Full Text PDFUnveiling results and insights from multinational, multicenter Study of Prescribing patterns and Effectiveness of Ceftolozane/Tazobactam Real-world Analysis (SPECTRA).
J Glob Antimicrob Resist
January 2025
Dept of Respiratory Medicine, Harefield Hospital, Hill End Rd, UB9 6JH, London, UK. Electronic address:
Objectives: Antibacterial-resistant gram-negative hospital-acquired infections result in significant morbidity and mortality. In clinical trials, ceftolozane/tazobactam (C/T) has been effective against these infections; however, real-world findings are limited.
Methods: SPECTRA was a global, retrospective, observational inpatient study of adults treated with C/T for ≥48 hours, conducted between 2016 and 2020.
Exploring daidzein dimethyl ether from Albizzia lebbeck as a novel quorum sensing inhibitor against Pseudomonas aeruginosa: Insights from in vitro and in vivo studies.
Bioorg Chem
January 2025
Helmholtz International Lab for Anti-Infectives, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China. Electronic address:
Infections of multidrug-resistant pathogens including Pseudomonas aeruginosa, cause a high risk of mortality in immunocompromised patients and underscore the need for novel natural antibacterial drugs. In this study, common phytochemicals prevalent in fruits and vegetables have been demonstrated for their ability to inhibit quorum sensing (QS) in Pseudomonas aeruginosa PAO1 (PA). Ten compounds were screened virtually by molecular docking, among which, daidzein dimethyl ether originally from Albizzia lebbeck showed the most significant inhibitory effect on the formation of biofilm and the accumulation of virulence factors, including elastase, pyocyanin and rhamnolipid in PA.
View Article and Find Full Text PDFArsenic-induced modulation of virulence and drug resistance in Pseudomonas aeruginosa.
J Hazard Mater
January 2025
Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610213, China. Electronic address:
Arsenic contamination of water sources, whether from natural or industrial origins, represents a significant risk to human health. However, its impact on waterborne pathogens remains understudied. This research explores the effects of arsenic exposure on the opportunistic pathogen Pseudomonas aeruginosa, a bacterium found in diverse environments.
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