Publications by authors named "Virginie Lemiale"

Article Synopsis
  • Endotracheal intubation (ETI) is crucial for critically ill patients
  • , but it has risks like hypoxemia; preoxygenation is used to enhance safety but can have unreliable monitoring through standard pulse oximeters (SpO2).
  • The Oxygen Reserve Index (ORI)
  • is proposed as a more reliable continuous measure during preoxygenation, targeting an ORI value of at least 0.6 over one minute instead of the standard SpO2 100% goal to improve outcomes.
  • A trial with 950 critically ill adults
  • will compare ORI monitoring against standard SpO2 monitoring during ETI; outcomes include the lowest SpO2 during intubation and cognitive
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Seric hyperviscosity syndrome is a medical emergency linked to hyperproteinemia. The clinical diagnosis hinges on a triad of symptoms: mucosal hemorrhages, visual disturbances, and neurological disorders, observed in the most severe cases. Diagnosis is swiftly confirmed through an urgent fundoscopic examination.

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Background: The accuracy of a diagnostic test depends on its intrinsic characteristics and the disease incidence. This study aims to depict post-test probability of Pneumocystis pneumonia (PJP), according to results of PCR and Beta-D-Glucan (BDG) tests in patients with acute respiratory failure (ARF).

Materials And Methods: Diagnostic performance of PCR and BDG was extracted from literature.

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Article Synopsis
  • Patients with hematological malignancies face high risks of serious complications, and this study aimed to assess how hyperoxemia (high levels of oxygen in the blood) impacts mortality rates within 28 days in critically ill individuals.
  • An analysis of data from over 11,000 patients revealed a U-shaped relationship between arterial oxygen levels (PaO) and mortality, indicating that both low and high oxygen levels can increase the risk of death.
  • The study found that excessive use of oxygen was significantly linked to increased mortality rates, especially in certain patient groups, highlighting the importance of careful oxygen management in these critically ill patients.
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Background: Acute pulmonary embolism (PE) is a life-threatening situation in cancer patients. In this situation, anticoagulant therapy is complex to administer due to the risk of bleeding. Only few studies have been conducted when these patients are admitted to the intensive care unit (ICU).

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We studied 50 patients with invasive nocardiosis treated during 2004-2023 in intensive care centers in France and Belgium. Most (65%) died in the intensive care unit or in the year after admission. Nocardia infections should be included in the differential diagnoses for patients in the intensive care setting.

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Due to higher survival rates with good quality of life, related to new treatments in the fields of oncology, hematology, and transplantation, the number of immunocompromised patients is increasing. But these patients are at high risk of intensive care unit admission because of numerous complications. Acute respiratory failure due to severe community-acquired pneumonia is one of the leading causes of admission.

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Acute respiratory failure (ARF) is common in patients with hematological malignancies notably those with acute leukemia, myelodysplastic syndrome, or allogeneic stem cell transplantation. ARF is the leading reason for intensive care unit (ICU) admission, with a 35% case fatality rate. Failure to identify the ARF cause is associated with mortality.

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Article Synopsis
  • Ibrutinib, a treatment for chronic lymphocytic leukemia (CLL) and non-Hodgkin lymphoma, is associated with significant immunomodulatory effects that can lead to increased risk of serious infections, particularly in patients who require ICU care.
  • A study analyzed 69 patients on ibrutinib admitted to French ICUs between 2015 and 2020, revealing that 19% had invasive fungal infections, with acute respiratory failure being the most common organ injury.
  • The mortality rate in the ICU was 29%, with a 90-day mortality of 55%, highlighting more severe organ dysfunction and a greater need for mechanical ventilation in those who did not survive compared to those who did.
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  • Acute respiratory failure (ARF) is common in ICU admissions, particularly among immunocompromised patients, yet there is limited understanding of the role of viruses in this context.
  • In a study of 4038 immunocompromised patients, 9.2% had virus-detected ARF, with influenza being the most prevalent virus; significant mortality and factors influencing it were identified, including neutropenia and invasive mechanical ventilation needs.
  • Remarkably, patients with virus-detected ARF had lower mortality rates compared to those with ARF from other causes, suggesting that certain viruses may have a less severe impact overall.
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Background: The Warburg effect, characterized by elevated lactate levels without tissue hypoxia or shock, has been described in patients with aggressive lymphoproliferative malignancies. However, the clinical characteristics and long-term outcomes in this population remain poorly understood.

Methods: We retrospectively analyzed 135 patients with aggressive lymphoproliferative malignancies admitted to the ICU between January 2017 and December 2022.

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Background: Acute respiratory failure (ARF) is the leading cause of intensive care unit (ICU) admission in patients with Acute Myeloid Leukemia (AML) and data on prognostic factors affecting short-term outcome are needed.

Methods: This is a post-hoc analysis of a multicenter, international prospective cohort study on immunocompromised patients with ARF admitted to ICU. We evaluated hospital mortality and associated risk factors in patients with AML and ARF; secondly, we aimed to define specific subgroups within our study population through a cluster analysis.

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Article Synopsis
  • The study focused on immunocompromised patients with acute respiratory failure (ARF) to understand the significance of detecting respiratory viruses in nasopharyngeal swabs.
  • It involved analyzing data from 510 patients, with 20.2% testing positive for respiratory viruses, predominantly flu-like viruses, and noted a significant relationship between virus detection and the identified causes of ARF.
  • However, no difference was observed in 28-day mortality or the need for invasive mechanical ventilation based on positive viral assay results, although flu-like virus detection correlated with worse outcomes in patients who had received stem cell transplants.
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Introduction: New beta-lactams, associated or not with beta-lactamase inhibitors (NBs/BIs), can respond to the spread of carbapenemase-producing enterobacteriales and nonfermenting carbapenem-resistant bacteria. The risk of emergence of resistance to these NBs/BIs makes guidelines necessary. The SRLF organized a consensus conference in December 2022.

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Background: Immune checkpoint inhibitors (ICI) have revolutionized the management of cancer. They can induce immune-related adverse events (irAE) leading to intensive care unit (ICU) admission. We aimed to describe irAEs for ICU admissions in solid cancer patients treated with ICIs.

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Background: Acute respiratory failure (ARF) remains the most frequent reason for ICU admission in patients who are immunocompromised. This study reports etiologies and outcomes of ARF in subjects with solid tumors.

Methods: This study was a post hoc analysis of the EFRAIM study, a prospective multinational cohort study that included 1611 subjects who were immunocompromised and with ARF admitted to the ICU.

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Article Synopsis
  • A study examined the impact of human metapneumovirus (hMPV) on adults by reviewing ICU admissions from 2010 to 2018 and comparing patient characteristics to those with influenza.
  • *Out of 402 hMPV-positive patients, 6.5% were admitted to ICU, with a significant number being immunocompromised, and a 30.8% mortality rate was noted.
  • *A systematic review revealed that approximately 45% of hMPV cases resulted in low respiratory tract infections, with ICU admissions at 33% and hospital mortality at 10%.
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Hyperleukocytosis is associated with a significant early mortality rate in patients with acute myeloid leukemia (AML). To date, no controlled trial has ever evaluated a strategy to reduce this risk, and the initial management of these patients remains heterogeneous worldwide. The aim of the present study was to evaluate the influence of a short course of intravenous dexamethasone on the early outcomes of patients with hyperleukocytic AML with white blood cell (WBC) count above 50 × 10/L.

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Background: Non-invasive ventilation (NIV) and oxygen therapy (high-flow nasal oxygen [HFNO] or standard oxygen) following extubation have never been compared in critically ill patients with obesity. We aimed to compare NIV (alternating with HFNO or standard oxygen) and oxygen therapy (HFNO or standard oxygen) following extubation of critically ill patients with obesity.

Methods: In this multicentre, parallel group, pragmatic randomised controlled trial, conducted in 39 intensive care units in France, critically ill patients with obesity undergoing extubation were randomly assigned (1:1) to either the NIV group or the oxygen therapy group.

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Hyperviscosity syndrome (HVS) is a rare complication of newly diagnosed multiple myeloma (NDMM) related to high tumour burden. Studies about the prognosis of HVS in modern-era therapy for NDMM are missing. We investigated a retrospective cohort study of NDMM with HVS between 2011-2021.

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Background: Etoposide remains the cornerstone of symptomatic management of critically ill patients with secondary hemophagocytic syndrome (sHS). Risk of healthcare-associated infections (HAIs) in this setting with etoposide has never been assessed. We sought to evaluate the association between etoposide administration, HAIs occurrence and survival in critically ill adult patients with sHS.

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Coagulation disorders increase mortality rate during septic shock, but the impact of concomitant hematological malignancies remains unknown. The study assessed coagulation disorders in onco-hematological patients with thrombocytopenia (<100 G/L) admitted to ICU for septic shock. Among 146 included patients, 50 patients had lymphoma and 49 patients had acute leukemia.

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Purpose: Identifying patients who will receive renal replacement therapy (RRT) during intensive care unit (ICU) stay is a major challenge for intensivists. The objective of this study was to evaluate the performance of physicians in predicting the need for RRT at ICU admission and at acute kidney injury (AKI) diagnosis.

Methods: Prospective, multicenter study including all adult patients hospitalized in 16 ICUs in October 2020.

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