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Article Dans Une Revue Annals of Intensive Care Année : 2023

Necrotizing soft tissue infections in critically ill neutropenic patients: a French multicentre retrospective cohort study

Elie Azoulay

Résumé

Abstract Background Necrotizing soft tissue infections (NSTIs) are rare life-threatening bacterial infections. Few data are available regarding neutropenic patients with NSTIs. Our objectives were to describe the characteristics and management of neutropenic patients with NSTIs in intensive care units (ICUs). We conducted a retrospective multicentre cohort study in 18 ICUs between 2011 and 2021. Patients admitted with NSTIs and concomitant neutropenia at diagnosis were included and compared to non-neutropenic patients with NSTIs. The relationship between therapeutic interventions and outcomes was assessed using Cox regression and propensity score matching. Results 76 neutropenic patients were included and compared to 165 non-neutropenic patients. Neutropenic patients were younger (54 ± 14 vs 60 ± 13 years, p = 0.002) and had less lower limb (44.7% vs 70.9%, p < 0.001) and more abdomino-perineal NSTIs (43.4% vs 18.8%, p < 0.001). Enterobacterales and non-fermenting gram-negative bacteria were the most frequently isolated microorganisms in neutropenic patients. In-hospital mortality was significantly higher in neutropenic than in non-neutropenic patients (57.9% vs 28.5%, p < 0.001). Granulocyte colony-stimulating factor (G-CSF) administration was associated with a lower risk of in-hospital mortality in univariable Cox (hazard ratio (HR) = 0.43 95% confidence interval (CI) [0.23–0.82], p = 0.010) and multivariable Cox (adjusted HR = 0.46 95% CI [0.22–0.94], p = 0.033) analyses and after overlap propensity score weighting (odds ratio = 0.25 95% CI [0.09; 0.68], p = 0.006). Conclusions Critically ill neutropenic patients with NSTIs present different clinical and microbiological characteristics and are associated with a higher hospital mortality than non-neutropenic patients. G-CSF administration was associated with hospital survival.
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hal-04092085 , version 1 (10-02-2024)

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Romain Arrestier, Anis Chaba, Asma Mabrouki, Clément Saccheri, Emmanuel Canet, et al.. Necrotizing soft tissue infections in critically ill neutropenic patients: a French multicentre retrospective cohort study. Annals of Intensive Care, 2023, 13 (1), pp.34. ⟨10.1186/s13613-023-01125-w⟩. ⟨hal-04092085⟩
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