Carbapenem-resistant Enterobacteriaceae in patients admitted to the Emergency Department

New risk factors and occurrence in patients coming directly from the community | Journal of Hospital Infection

Aim: To investigate the prevalence of patients harboring CRE on hospital admission, risk factors associated and the acquisition rate within the emergency department (ED).

Methods: We conducted a cross-sectional with 676 patients consecutively admitted to the ED study during the months of May to July 2016. A questionnaire was performed and rectal swabs were collected from patients on admission, for culture and for multiplex real-time polymerase chain-reaction (RT-PCR). If the patient was hospitalized for more than one week in the ED, samples were taken again to determine the acquisition rate of CRE.

Findings: Forty-six patients were colonized, all positive RT-PCR were KPC. The acquisition rate was 18%. Patients CRE colonized presented a higher mortality rate. Previous exposure to healthcare in the last year, liver disease and use of antibiotics in the last month were risk factors for colonization. Six patients with no previous exposure to healthcare were CRE-colonized on admission, suggesting transmission of CRE within the community.

Conclusion: Screening of high-risk patients on admission to the ED is a strategy to early identify CRE carriage and may contribute to control CRE dissemination.

Full reference: Salomão, M.C. et al. (2017) Carbapenem-resistant Enterobacteriaceae in patients admitted to the Emergency Department: new risk factors and occurrence in patients coming directly from the community. Journal of Hospital Infection. Published online: 18 August 2017

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