Publications by authors named "Julien Dessajan"

Purpose: COVID-19-associated pulmonary aspergillosis (CAPA) is a major co-infection in critically ill patients and is linked to increased mortality. Critical illness and ECMO may affect antifungal pharmacokinetics, raising concerns about drug efficacy.

Methods: This multicenter retrospective study included CAPA patients requiring mechanical ventilation in 20 intensive care units (ICUs) (March 2020 to November 2021), provided at least one antifungal blood level was available.

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Purpose: Multiplex polymerase chain reaction (mPCR) testing has the potential to rapidly and accurately identify causative microorganisms in patients with community-acquired pneumonia (CAP). Its use in a management strategy, along with biomarkers, may reduce antibiotic exposure and improve clinical outcomes.

Methods: The MULTI-CAP trial was a multicenter (n = 20), parallel-group, superiority, open-label, randomized trial.

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Background: Accurate microbiological documentation seems central for managing severe pneumonia. While the FilmArray Pneumonia + panel (FA-PP) offers rapid pathogen identification, its effectiveness during antibiotic treatment and in predicting clinical outcomes remains unclear.

Methods: We conducted a prospective observational study across four ICUs from April 2022 to June 2024, including patients with ventilator-associated pneumonia (VAP) or ventilated hospital-acquired pneumonia (vHAP).

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Background: Self-extubation is a common complication in intubated patients in the intensive care unit (ICU) and is associated with a high rate of reintubation. This study aimed to identify predictors of reintubation following self-extubation (SE) and assess the prognosis of these patients.

Methods: Data were extracted from the French ICU database, OutcomeRea™.

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Introduction: Diagnosing severe pneumonia accurately is often difficult because its clinical symptoms overlap with other respiratory illnesses. Treatment of severe lower respiratory tract infection (LRTI) should start early. Rapid identification of responsible microorganisms and appropriate, not overly broad, antibiotic therapy is required to optimize prognosis.

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Background: Hemoptysis is a life-threatening event in the course of lung cancer (LC). The management of the most severe episodes of hemoptysis include medical measures and vascular interventional radiology (VIR). There are few data on initial clinical and radiological features associated with early bleeding recurrence, and its prognostic significance.

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Article Synopsis
  • Ventilator associated pneumonia (VAP) caused by wild-type AmpC-producing Enterobacterales is common in ICU patients, and the study explores the effectiveness of different antimicrobial therapies (AMT), specifically piperacillin ± tazobactam (PTZ) and third-generation cephalosporins (3GCs).
  • In a study involving 274 ICU patients, no significant differences in treatment success at day 7 were found between the groups receiving PTZ, 3GCs, or other control treatments, with all groups showing success rates around 68-74%.
  • However, patients treated with 3GCs had a higher likelihood of pneumonia recurrence by day 28 compared to those on PTZ
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Pneumonia is a common and severe illness that requires prompt and effective management. Advanced, rapid, and accurate tools are needed to diagnose patients with severe bacterial pneumonia, and to rapidly select appropriate antimicrobial therapy, which must be initiated within the first few hours of care. Two multiplex molecular tests, Unyvero HPN and FilmArray Pneumonia+ Panel, have been developed using the multiplex polymerase chain reaction (mPCR) technique to rapidly identify pathogens and their main antibiotic resistance mechanisms from patient respiratory specimens.

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Fever can be viewed as an adaptive response to infection. Temperature control in sepsis is aimed at preventing potential harms associated with high temperature (tachycardia, vasodilation, electrolyte and water loss) and therapeutic hypothermia may be aimed at slowing metabolic activities and protecting organs from inflammation. Although high fever (>39.

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Background: Non-ventilator-associated ICU-acquired pneumonia (NV-ICU-AP), a nosocomial pneumonia that is not related to invasive mechanical ventilation (IMV), has been less studied than ventilator-associated pneumonia, and never in the context of patients in an ICU for severe acute exacerbation of chronic obstructive pulmonary disease (AECOPD), a common cause of ICU admission. This study aimed to determine the factors associated with NV-ICU-AP occurrence and assess the association between NV-ICU-AP and the outcomes of these patients.

Methods: Data were extracted from the French ICU database, OutcomeRea™.

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Introduction: Delirium is a severe complication that is associated with short-term adverse events, prolonged hospital stay and neurological sequelae in survivors. Automated pupillometry is an easy-to-use device that allows for accurate objective assessment of the pupillary light responses in comatose patients in the intensive care unit (ICU). Whether automated pupillometry might predict delirium in critically ill patients is not known.

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Background: A dysregulated immune response is emerging as a key feature of critical illness in COVID-19. Neutrophils are key components of early innate immunity that, if not tightly regulated, contribute to uncontrolled systemic inflammation. We sought to decipher the role of neutrophil phenotypes, functions, and homeostasis in COVID-19 disease severity and outcome.

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