Publications by authors named "Benjamin Clouzeau"

In September 2023, a severe outbreak of type B botulism with fifteen cases was linked to consumption of canned sardines at a restaurant in Bordeaux, France, during the Rugby World Cup. The cases were from seven countries. One death was recorded.

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Article Synopsis
  • COVID-19 has been linked to a high occurrence of acute kidney injury (AKI) in critically ill patients, with a study conducted in Bordeaux including 71 patients showing that 80% developed AKI during their hospital stay.
  • The classification of AKI revealed that 35% had Stage 1, 35% Stage 2, and 30% Stage 3, with most cases being persistent rather than transient, which indicates a more severe condition.
  • The findings highlight that severe COVID-19-related AKI is common and predominantly involves tubulointerstitial damage, with a small percentage of patients recovering their kidney function within two weeks.
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The risk of chronic kidney disease (CKD) following severe acute kidney injury (AKI) in critically ill patients is well documented, but not after less severe AKI. The main objective of this study was to evaluate the long-term incidence of CKD after non-severe AKI in critically ill patients. This prospective single-center observational three-years follow-up study was conducted in the medical intensive care unit in Bordeaux's hospital (France).

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Introduction: Few studies described strategies to improve the use of diagnostic tests in intensive care units (ICU). No study assessed whether their impact was sustained or not. In this study, we assessed whether a multi-faceted intervention for more appropriate use of laboratory testing can decrease the number of tests, is sustainable, is not associated with additional morbidity and represents a potential cost saving.

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Background: In a previous study of subjects suspected of having ventilator-associated pneumonia, a rapid susceptibility testing approach by using ETEST (BioMérieux) strips directly applied to bronchoalveolar lavage samples provided valuable information at hour 24. The primary objective of this study was to assess a new direct specimen testing by using an even more-rapid E-test approach (at hour 10), which could promote an early de-escalation of the antimicrobial therapy.

Methods: Twenty-eight subjects with ventilator-associated pneumonia admitted to a medical ICU were prospectively included.

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Purpose: Early noninvasive ventilation (NIV) after extubation decreases the risk of respiratory failure and lowers 90-day mortality in patients with hypercapnia. Patients with chronic respiratory disease are at risk of extubation failure. Therefore, it could be useful to determine the role of NIV with a discontinuous approach, not limited to patients with hypercapnia.

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Neutropenia is defined by either an absolute or functional defect (acute myeloid leukemia or myelodysplastic syndrome) of polymorphonuclear neutrophils and is associated with high risk of specific complications that may require intensive care unit (ICU) admission. Specificities in the management of critically ill neutropenic patients prompted the establishment of guidelines dedicated to intensivists. These recommendations were drawn up by a panel of experts brought together by the French Intensive Care Society in collaboration with the French Group for Pediatric Intensive Care Emergencies, the French Society of Anesthesia and Intensive Care, the French Society of Hematology, the French Society for Hospital Hygiene, and the French Infectious Diseases Society.

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Background: This study was undertaken to determine the temporal relationship between implementation of different interventions in an intensive care unit (ICU) and control of endemic nosocomial acquisition of extended-spectrum β-lactamase Enterobacteriaceae (ESBLE).

Methods: This was a prospective observational study with time-series analysis of the monthly incidence of ESBLE and its predictors. In November 2007, after a 14-month baseline period, an intervention consisting of restriction of third-generation cephalosporins (3 GC) and increased use of alcohol-based hand rubs was implemented.

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Background: In thrombotic thrombocytopenic purpura (TTP), platelet (PLT) transfusion is contraindicated unless a life-threatening hemorrhage occurs. However, when PLT count is low (<20 × 10(9) /L), their benefit-risk balance before central venous catheter (CVC) insertion for plasma exchange (PE) has not specifically been addressed in guidelines.

Case Reports: We report two cases in which PLTs were transfused before CVC insertion for PE, resulting in fatal myocardial infarction or neurologic complications.

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Objectives: Innate immune system alterations, including dendritic cell loss, have been reproducibly observed in patients with septic shock and correlated to adverse outcomes or nosocomial infections. The goal of this study is to better understand the mechanisms behind this observation in order to better assess septic shock pathogenesis.

Design: Prospective, controlled experimental study.

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Background: An outbreak of haemolytic uraemic syndrome (HUS) due to Shiga toxin-secreting Escherichia coli (STEC) O104:H4 from contaminated fenugreek sprouts occurred in June 2011 near Bordeaux, France. In the context of this outbreak, all patients were treated with the monoclonal anti-C5 antibody, eculizumab.

Methods: The diagnosis of HUS was made based on haemolytic anaemia, low platelet count and acute kidney injury.

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Clostridium perfringens (CP) gives several clinical settings, from an asymptomatic to a massive intravascular hemolysis. We report a case of fatal intravascular hemolysis due to CP septicemia having a hepatic supposed starting point in the emergency department. Like in many cases, the diagnosis was made when patient had already gone into shock and died.

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Aminoglycoside nephrotoxicity has been reported in patients with sepsis, and several risk factors have been described. Once-daily dosing and shorter treatment have reduced nephrotoxicity risk, and simplified aminoglycoside monitoring. This review focuses on nephrotoxicity associated with aminoglycosides in the subset of patients with septic shock or severe sepsis.

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In line with a rapid de-escalation of empirical antimicrobial therapy, this study assessed the validity of an E-test-based direct specimen testing method on bronchoalveolar lavage (BAL) samples from ventilator-associated pneumonia (VAP) patients. E-test strips were directly applied onto Mueller-Hinton agar plates seeded with BAL samples and read after 24 h of incubation. In parallel, the BAL samples were analyzed by the routine diagnostic laboratory.

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Purpose: In critically ill patients with acute respiratory failure (ARF), fiberoptic bronchoscopy and bronchoalveolar lavage (FOB-BAL) are important tools in diagnostic strategies. In nonintubated patients, the patient's agitation may lead to desaturation and compromise the realization of FOB. The aim of this study was to assess the feasibility and safety of target-controlled (TCI) propofol sedation during FOB-BAL in nonintubated hypoxemic patients.

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Purpose: Non-invasive ventilation (NIV) in critically ill patients is associated with a high failure rate. This prospective study assessed the feasibility and safety of target-controlled infusion (TCI) of propofol for conscious sedation during NIV in patients with NIV failure due to low tolerance.

Methods: Ten patients with NIV failure due to discomfort, agitation and/or refusal to continue with this ventilatory support were included; seven had acute respiratory failure and three had acute hypercapnic respiratory failure.

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We report an autochthonous human case of tickborne encephalitis (TBE) in the Bordeaux area, southwestern France. The patient was a farmer who had severe encephalomyelitis. ELISA and neutralization assay of serum and cerebrospinal fluid established the diagnosis.

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