Publications by authors named "Nancy Perrottet"

Antibiotic resistance is a public health emergency requiring a concerted approach and motivating the implementation of antibiotic stewardship programmes. As part of an institutional project at the Centre hospitalier universitaire vaudois, we collected data on the appropriateness of antimicrobial prescriptions in various medical and surgical departments in order to identify areas for improvement. The results show that there is room for improvement and that there are differences between departments, particularly regarding surgical prophylaxis administered beyond the operating time, adaptation of the spectrum and duration.

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Aims Of The Study: Invasive mould infections are life-threatening complications in patients with haematologic cancer and chemotherapy-induced neutropenia. While invasive aspergillosis represents the main cause of invasive mould infections, non-Aspergillus mould infections, such as mucormycosis, are increasingly reported. Consequently, their local epidemiology should be closely monitored.

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Acute antibody-mediated rejection (AMR) remains a challenge after kidney transplantation (KT). As there is no clear-cut treatment recommendation, accurate information on current therapeutic strategies in real-life practice is needed. KT recipients from the multicenter Swiss Transplant Cohort Study treated for acute AMR during the first post-transplant year were included retrospectively.

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Is it worth improving the effectiveness of a treatment by modulating the prescription schedule? Data show that the preferred administration timing depends on biological rhythms. Taking this into consideration can improve efficiency or reduce side effects. Food also plays a role.

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Acute antibody-mediated rejection (AMR) early after transplant remains a challenge, both in allotransplantation and in xenotransplantation. We report the case of an early and severe acute AMR episode in a kidney transplant recipient that was successfully treated with upfront eculizumab. A 58-year-old woman had been on dialysis since 2014.

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Post-transplantation diabetes (PTDM) exposes to increased morbidity (cardiovascular or infectious complications, early graft dysfunction) and to a risk of premature death. Recognition of risk factors is essential for early and individualized care. The management of a PTDM requires the use of oral antidiabetic treatments (metformin or DPP4 inhibitors) or GLP1 receptor agonists for their favorable effects on weight and kidney that seem ideal in this context.

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Background: During clinical trials, researchers rarely question nominal doses specified on labels of investigational products, overlooking the potential for inaccuracies that may result when calculating pharmacokinetic and pharmacodynamic parameters. This study evaluated the disparity between nominal doses and the doses actually administered in two Phase I trials of a biosimilar drug.

Methods: In Trial A, 12 healthy volunteers received various doses of an interferon β-1a biosimilar via either subcutaneous or intravenous injection, prepared by partially emptying 0.

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Deep sternal wound infection (DSWI) is a feared complication following cardiac surgery. This study describes clinical, microbiological, and treatment outcomes of DSWI and determines risk factors for complications. Of 55 patients with DSWI, 66% were male and mean age was 68.

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Background: Daptomycin is used increasingly to treat prosthetic joint infection (PJI). A possible side effect of this drug is eosinophilic pneumonia. We describe two patients with PJI treated with daptomycin who had this side effect with different clinical presentations.

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Rationale, Aims And Objectives: There is little evidence regarding the benefit of stress ulcer prophylaxis (SUP) outside a critical care setting. Overprescription of SUP is not devoid of risks. This prospective study aimed to evaluate the use of proton pump inhibitors (PPIs) for SUP in a general surgery department.

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Cytomegalovirus (CMV) is generally considered the most significant pathogen to infect patients following organ transplantation. Significant improvements have been achieved in the management of CMV disease over recent years, especially since the introduction of oral drugs such as oral ganciclovir followed by valganciclovir (VGC), a prodrug of ganciclovir with enhanced bioavailability. Several randomized controlled trials have shown that VGC is an efficacious and convenient oral drug to prevent or treat CMV disease in solid-organ transplant recipients.

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This prospective study aimed at determining the ganciclovir exposure observed under a daily dosage of 450 mg valganciclovir routinely applied to kidney transplant recipients with a GFR above 25 mL/min at risk for cytomegalovirus (CMV) disease. Ganciclovir levels at trough (C(trough)) and at peak (C₃(h)) were measured monthly. Ganciclovir exposure (area under the curve [AUC₀₋₂₄]) was estimated using Bayesian non-linear mixed-effect modeling (NONMEM).

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Background: Valganciclovir, the oral prodrug of ganciclovir, has been demonstrated equivalent to iv ganciclovir for CMV disease treatment in solid organ transplant recipients. Variability in ganciclovir exposure achieved with valganciclovir could be implicated as a contributing factor for explaining variations in the therapeutic response. This prospective observational study aimed to correlate clinical and cytomegalovirus (CMV) viral load response (DNAemia) with ganciclovir plasma concentrations in patients treated with valganciclovir for CMV infection/disease.

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Valganciclovir and ganciclovir are widely used for the prevention of cytomegalovirus (CMV) infection in solid organ transplant recipients, with a major impact on patients' morbidity and mortality. Oral valganciclovir, the ester prodrug of ganciclovir, has been developed to enhance the oral bioavailability of ganciclovir. It crosses the gastrointestinal barrier through peptide transporters and is then hydrolysed into ganciclovir.

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Objectives: The pharmacokinetic (PK) parameters of artesunate, recently discovered to possess promising trematocidal activity, and its main metabolite dihydroartemisinin (DHA) were determined in rats infected with hepatic and biliary stages of Fasciola hepatica and compared with uninfected rats after single intragastric and intravenous (iv) doses.

Methods: Rats infected with F. hepatica for 25 and 83 days and uninfected rats were cannulated in the right jugular vein and blood samples were withdrawn at selected timepoints following 10 mg/kg of iv and a single 100 mg/kg oral dose of artesunate.

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