This study was designed to analyze results of daptomycin therapy in 7 patients with enterococcal infectious endocarditis caused by Enterococcus faecium in two of them. Mean duration of therapy was 36.7 days. 70% of the strains proved resistant to gentamycin, 40% showed resistance to penicillin antibiotics, and 14.3% to vancomycin. Three patients suffered prosthetic valve endocarditis, six had elevated presepsin level (up to 768.8 pg/ml). 28,6% of the patients underwent valve prosthetic surgery. Hospital lethality was 14,3%. The effectiveness of ampicillin plus ceftriaxone treatment of gentanycin-resistant enterococci is discussed. Recommendation for the antibacterial treatment of enterococcal infectious endocarditis (ESC 2015) are provided.
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Microorganisms
December 2024
Laboratory of Emerging Infectious Diseases, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba 80215-901, PR, Brazil.
Silver nanoparticles have garnered significant attention for their antimicrobial applications. The aim of this study was to develop and characterize a silver nanoparticle-enhanced bone graft and assess its antimicrobial and antibiofilm activities. Bone granules from bovine cancellous femur were impregnated with silver nanoparticles (50 nm).
View Article and Find Full Text PDFMicroorganisms
December 2024
Infectious Diseases Service, Hospital Clínic, Fundació de Recerca Clínic Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer, University of Barcelona, 08036 Barcelona, Spain.
(1) Background: Alternative antibiotics are needed to treat infective endocarditis (IE) caused by non-/non- enterococci; we aimed to assess the in vitro activity of ampicillin plus ceftriaxone (AMP + CTR) against these enterococci and to describe its clinical efficacy in IE cases. (2) Methods: Time-kill curves with standard (ISI) and high (IHI) inocula were performed to test isolates [3 (ECAS) and 1 (EGALL)] and non- isolates [1 (EDUR), 1 (EHIR) and 1 (ERAF)]. The narrative literature review of IE cases treated with AMP + CTR was analyzed alongside three study cases.
View Article and Find Full Text PDFPharmaceuticals (Basel)
December 2024
Department of Life, Health and Environmental Sciences, University of L'Aquila, Piazzale Salvatore Tommasi 1, Blocco 11, Coppito, 67010 L'Aquila, Italy.
Background/objectives: Infectious diseases represent a serious threat due to rising antimicrobial resistance, particularly among multidrug-resistant bacteria and influenza viruses. Metal-based complexes, such as -heterocyclic carbene-gold (NHC-gold) complexes, show promising therapeutic potential due to their ability to inhibit various pathogens.
Methods: Eight NHC-gold complexes were synthesized and tested for antibacterial activity against , , and for anti-influenza activity in lung and bronchial epithelial cells infected with influenza virus A/H1N1.
Pathogens
November 2024
Department of Cardiac Surgery, Centre Cardiologique du Nord, 93200 Saint-Denis, France.
Prosthetic valve endocarditis (PVE) is the medical term used to describe a focus of infection involving a valvular substitute within the heart. It is a significant concern in the field of cardiology, and the epidemiology of PVE has seen notable developments over the last five decades. The disease currently affects an older demographic and is becoming increasingly prevalent in patients with transcatheter-implanted valves.
View Article and Find Full Text PDFAntibiotics (Basel)
December 2024
Department of Pharmacology and Toxicology, University of Veterinary Medicine, István utca 2, 1078 Budapest, Hungary.
The global spread of antimicrobial resistance (AMR) represents one of the most significant challenges of our generation. It is crucial to continuously monitor AMR, not only by investigating clinical, pathogenic strains but also by monitoring commensal bacterial strains, as they can serve as natural reservoirs of resistance. Infections caused by species are increasingly recognized as emerging threats to both animal and public health.
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