Publications by authors named "Thibault Sixt"

Background: Nocardiosis, a bacterial opportunistic infection caused by spp, has recently been reported in patients with anti-granulocyte-macrophage colony-stimulating factor (GM-CSF) autoantibodies, but insufficient data are available about disease presentation, outcomes, and occurrence of autoimmune pulmonary alveolar proteinosis (aPAP) in this population.

Methods: We performed a prospective, multicenter, nationwide study in France and included patients with a infection who had anti-GM-CSF autoantibodies. We describe their clinical, microbiological, and radiological characteristics, and their outcome at 1 year of follow-up.

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  • A study tested 15 bacterial strains to evaluate the effectiveness of combining amoxicillin and ceftriaxone.
  • Results showed a synergy between the two antibiotics in 93% of cases using minimal inhibitory concentration strips and 80% using checkerboard methods.
  • This combination could potentially be used as a new treatment option for listeriosis moving forward.
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Since December 2019, many drugs have been evaluated or advocated as potential treatments of SARS-CoV-2 induced disease (COVID-19), including many repositioned drugs and some others specifically developed for these diseases. They can be roughly classified into three categories according to their main mechanism of action (passive immunization, direct antivirals, and anti-inflammatory treatments), and their use depends on the stage of the disease. Despite often promising preclinical data, most of the treatments evaluated failed to show a significant clinical benefit.

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Background: The leading cause of acute bacterial meningitis in adults is . This infection is associated with high rates of mortality and morbidity related, among other factors, to the excessive host response to the pneumococcal lysis. Experimental in vitro and in vivo data show that the combination of corticosteroids/third-generation cephalosporins and the non-lytic antibiotic, daptomycin, has synergistic effects with (1) a rapid cerebrospinal fluid sterilisation, (2) less brain damages and (3) less loss of cognitive performances.

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Introduction: Whether a delayed diagnosis of community-acquired pneumonia (CAP) in the emergency department (ED) is associated with worse outcome is uncertain. We sought factors associated with a delayed diagnosis of CAP in the ED and those associated with in-hospital mortality.

Methods: Retrospective study including all inpatients admitted to an ED (Dijon University Hospital, France) from 1 January to 31 December 2019, and hospitalized with a diagnosis of CAP.

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  • The study analyzes the microorganisms involved in prosthetic joint infections (PJIs) over ten years, categorizing them based on the timing of infection occurrence.
  • Staphylococci, particularly S. aureus and coagulase-negative staphylococci, were the most prevalent pathogens, with significant methicillin resistance observed, while Gram-negative bacilli and streptococci were also noted.
  • The research recommends specific empirical antimicrobial treatments, highlighting the effectiveness of imipenem-vancomycin and piperacillin/tazobactam-vancomycin, while stressing the importance of understanding local infection patterns for tailored treatment approaches.
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Background: Vascular graft infection (VGI) remains a severe disease with high mortality and relapse rates. We performed a retrospective single-center cohort study to highlight factors associated with long-term all-cause mortality in patients with vascular graft infection.

Methods: All patients hospitalized in our facility over 10 years for VGI were included.

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During an epidemic period, we compared patients hospitalized for initial suspicion of COVID-19 but for whom an alternative diagnosis was finally retained (n = 152) with those who had COVID-19 (n = 222). Most common diagnoses were another infectious disease and heart failure. COVID-19-negative patients were more often active smokers had less often cough, fever, and digestive symptoms, as compared to the 222 COVID-19-positive patients.

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