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In Vitro Activity of Ampicillin Plus Ceftriaxone Against Non- and Non- Enterococcal Isolates With/Without VanC Phenotype: Clinical Implications for Infective Endocarditis.

Microorganisms

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.

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is a body-louse-borne bacterium. Canadian disease has been reported primarily in populations experiencing homelessness and in Indigenous communities with limited access to water. We sought to understand the epidemiology of in Canada.

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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.

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Almost 25 years have now passed since the first identification of (). It can cause infections both in immunocompetent and immunocompromised hosts. However, it has been rarely described as an aetiology of infectious endocarditis.

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Oxidative Stress in Aortic Valves Associated with Infective Endocarditis: A Report on Three Cases.

Diagnostics (Basel)

December 2024

Department of Cardiovascular Biomedicine, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Sección XVI, Tlalpan, México City 14080, Mexico.

Infective endocarditis (IE) most commonly results from infections by Gram-positive bacteria, and, in this condition, the redox homeostasis is lost due to the overproduction of HO, leading to the overstimulation of the immune system and the upregulation of the production of proinflammatory cytokines. The aim of this study was to evaluate the levels of oxidative biomarkers and the enzymatic and non-enzymatic antioxidant systems in subjects with IE. The study included three cases with IE that had undergone aortic valve replacement (AVR) surgery that was complicated by IE, comparing them with subjects with AVR without IE.

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