Journal
INFECTION
Volume 51, Issue 1, Pages 181-191Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s15010-022-01872-1
Keywords
Listeria monocytogenes; Acute infection; Comorbidities; Survival; Prognosis; Hospitalisation
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This study analysed the in-hospital and early mortality of adults after recovery from severe infection caused by Listeria monocytogenes and identified the main factors associated with early mortality. The findings are important for improving preventive and follow-up strategies for adults with severe listeriosis.
Background Listeriosis presents high rates of mortality but prognostic factors for early prevention are not well established. The aim of this study was to analyse factors associated with in-hospital and early mortality of adults after recovery from severe infection caused by Listeria monocytogenes. Methods All cases of listeriosis notified in the province of Granada from January 2005 to December 2021, including 9 centres, were included. Only laboratory confirmed non-neonatal cases were considered. Follow-up was conducted by accessing medical records and epidemiological data. Bivariate and multivariate analyses were conducted to detect potential risk factors associated to in-hospital mortality, 1-year, and 5-year early death after recovery. Multivariate Cox regression models were performed. A total of 206 patients were identified. Results The mean age was 62.6 years (sd, 18.8). A high frequency of comorbidities (88.3%) was observed, and 42 patients (20.4%) died during hospitalisation. Of the patients who recovered from acute infection, 26 (15.9%) died during the following year and 47 (28.7%) died during the following 5 years. The main factors associated with early mortality after recovery were age (HR: 1.03; 95% CI 1.02-1.07), diabetes mellitus (HR 1.86, 95% CI 1.01-3.44), chronic kidney disease (HR 3.96, 95% CI 1.87-8.38), liver disease (HR 3.62, 95% CI 1.64-8.51), and cancer (HR 3.76, 95% CI 1.90-7.46). Conclusion Listeriosis is associated with high early post-recovery mortality. Our study describes the main prognostic factors, which may help to improve preventive follow-up strategies of adults with severe listeriosis.
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