Dataset Information

Influenza and associated co-infections in critically ill immunosuppressed patients.

ABSTRACT:

Background

It is unclear whether influenza infection and associated co-infection are associated with patient-important outcomes in critically ill immunocompromised patients with acute respiratory failure.

Methods

Preplanned secondary analysis of EFRAIM, a prospective cohort study of 68 hospitals in 16 countries. We included 1611 patients aged 18?years or older with non-AIDS-related immunocompromise, who were admitted to the ICU with acute hypoxemic respiratory failure. The main exposure of interest was influenza infection status. The primary outcome of interest was all-cause hospital mortality, and secondary outcomes ICU length of stay (LOS) and 90-day mortality.

Results

Influenza infection status was categorized into four groups: patients with influenza alone (n?=?95, 5.8%), patients with influenza plus pulmonary co-infection (n?=?58, 3.6%), patients with non-influenza pulmonary infection (n?=?820, 50.9%), and patients without pulmonary infection (n?=?638, 39.6%). Influenza infection status was associated with a requirement for intubation and with LOS in ICU (P?ConclusionsCategory of infectious etiology of respiratory failure (influenza, non-influenza, influenza plus co-infection, and non-infectious) was associated with ICU but not hospital mortality. In a propensity score-matched analysis, influenza infection was not associated with the primary outcome of hospital mortality. Overall, influenza infection alone may not be an independent risk factor for hospital mortality in immunosuppressed patients.

SUBMITTER: Martin-Loeches I

PROVIDER: S-EPMC6498695 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Publications

Influenza and associated co-infections in critically ill immunosuppressed patients.

Martin-Loeches Ignacio I Lemiale Virginie V Geoghegan Pierce P McMahon Mary Aisling MA Pickkers Peter P Soares Marcio M Perner Anders A Meyhoff Tine Sylvest TS Bukan Ramin Brandt RB Rello Jordi J Bauer Philippe R PR van de Louw Andry A Taccone Fabio Silvio FS Salluh Jorge J Hemelaar Pleun P Schellongowski Peter P Rusinova Katerina K Terzi Nicolas N Mehta Sangeeta S Antonelli Massimo M Kouatchet Achille A Klepstad Pål P Valkonen Miia M Landburg Precious Pearl PP Barratt-Due Andreas A Bruneel Fabrice F Pène Frédéric F Metaxa Victoria V Moreau Anne Sophie AS Souppart Virginie V Burghi Gaston G Girault Christophe C Silva Ulysses V A UVA Montini Luca L Barbier Francois F Nielsen Lene B LB Gaborit Benjamin B Mokart Djamel D Chevret Sylvie S Azoulay Elie E

Critical care (London, England) 20190502 1

<h4>Background</h4>It is unclear whether influenza infection and associated co-infection are associated with patient-important outcomes in critically ill immunocompromised patients with acute respiratory failure.<h4>Methods</h4>Preplanned secondary analysis of EFRAIM, a prospective cohort study of 68 hospitals in 16 countries. We included 1611 patients aged 18 years or older with non-AIDS-related immunocompromise, who were admitted to the ICU with acute hypoxemic respiratory failure. The main ex ...[more]

PMID: 31046842

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Project description:BackgroundFew small studies have described hospital-acquired infections (HAIs) occurring in patients with COVID-19.Research questionWhat characteristics in critically ill patients with COVID-19 are associated with HAIs and how are HAIs associated with outcomes in these patients?Study design and methodsMulticenter retrospective analysis of prospectively collected data including adult patients with severe COVID-19 admitted to eight Italian hub hospitals from February 20, 2020, through May 20, 2020. Descriptive statistics and univariate and multivariate Weibull regression models were used to assess incidence, microbial cause, resistance patterns, risk factors (ie, demographics, comorbidities, exposure to medication), and impact on outcomes (ie, ICU discharge, length of ICU and hospital stays, and duration of mechanical ventilation) of microbiologically confirmed HAIs.ResultsOf the 774 included patients, 359 patients (46%) demonstrated 759 HAIs (44.7 infections/1,000 ICU patient-days; 35% multidrug-resistant [MDR] bacteria). Ventilator-associated pneumonia (VAP; n = 389 [50%]), bloodstream infections (BSIs; n = 183 [34%]), and catheter-related BSIs (n = 74 [10%]) were the most frequent HAIs, with 26.0 (95% CI, 23.6-28.8) VAPs per 1,000 intubation-days, 11.7 (95% CI, 10.1-13.5) BSIs per 1,000 ICU patient-days, and 4.7 (95% CI, 3.8-5.9) catheter-related BSIs per 1,000 ICU patient-days. Gram-negative bacteria (especially Enterobacterales) and Staphylococcus aureus caused 64% and 28% of cases of VAP, respectively. Variables independently associated with infection were age, positive end expiratory pressure, and treatment with broad-spectrum antibiotics at admission. Two hundred thirty-four patients (30%) died in the ICU (15.3 deaths/1,000 ICU patient-days). Patients with HAIs complicated by septic shock showed an almost doubled mortality rate (52% vs 29%), whereas noncomplicated infections did not affect mortality. HAIs prolonged mechanical ventilation (median, 24 days [interquartile range (IQR), 14-39 days] vs 9 days [IQR, 5-13 days]; P < .001), ICU stay (24 days [IQR, 16-41 days] vs 9 days [IQR, 6-14 days]; P = .003), and hospital stay (42 days [IQR, 25-59 days] vs 23 days [IQR, 13-34 days]; P < .001).InterpretationCritically ill patients with COVID-19 are at high risk for HAIs, especially VAPs and BSIs resulting from MDR organisms. HAIs prolong mechanical ventilation and hospitalization, and HAIs complicated by septic shock almost double mortality.Trial registryClinicalTrials.gov; No.: NCT04388670; URL: www.clinicaltrials.gov.

Dataset Information

Influenza and associated co-infections in critically ill immunosuppressed patients.

Background

Methods

Results

Publications

Influenza and associated co-infections in critically ill immunosuppressed patients.

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