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Retrospective multicentric study on Campylobacter spp. bacteremia in France: the Campylobacteremia study

Abstract : Abstract Background Campylobacter spp. bacteremia is a severe infection. A nationwide 5-year retrospective study was conducted to characterize its clinical features and prognostic factors. Methods Patients diagnosed with Campylobacter spp. bacteremia in 37 French hospitals participating in the surveillance network of the National Reference Center for Campylobacter and Helicobacter were included from January 1, 2015, to December 31, 2019. The goal was to analyze the effects of a delay of appropriate antibiotic therapy and other risk factors on 30-day mortality, antibiotic resistance, patient characteristics and prognosis according to the Campylobacter species. Findings Among the 592 patients, Campylobacter jejuni and Campylobacter fetus were the most commonly identified species (42.9 and 42.6%, respectively). The patients were elderly (median age 68 years), and most had underlying conditions, mainly immunodepression (43.4%), hematologic malignancies (25.9%), solid neoplasms (23%) and diabetes (22.3%). C. jejuni and Campylobacter coli were associated with gastrointestinal signs, and C. fetus was associated with secondary localizations. Among the 80 patients (13.5%) with secondary localizations, 12 had endocarditis, 38 vascular, 24 osteo-articular and 9 ascitic fluid infections. The thirty-day mortality rate was 11.7%, and an appropriate antibiotic treatment was independently associated with 30-day survival (odds ratio [OR]=0.47, 95% CI [0.24–0.93], p=0.03). The median efficient therapy initiation delay was quite short (2 days, IQR [0–4]) but it had no significant impact on 30-day mortality (p=0.78). Interpretation Campylobacter spp. bacteremia mainly occurred in elderly immunocompromised individuals with variable clinical presentations according to the species involved. Appropriate antimicrobial therapy was associated with improved 30-day survival.
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Submitted on : Thursday, December 16, 2021 - 1:54:03 PM
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Claire Tinévez, Fanny Velardo, Anne-Gaëlle Ranc, Damien Dubois, Hélène Pailhoriès, et al.. Retrospective multicentric study on Campylobacter spp. bacteremia in France: the Campylobacteremia study. Clinical Infectious Diseases, Oxford University Press (OUP), 2021, ⟨10.1093/cid/ciab983⟩. ⟨hal-03483269⟩



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