1. [Risk factors for multidrug-resistant Pseudomonas aeruginosa infection, in a tertiary hospital in Colombia].
- Author
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Ossa-Giraldo AC, Echeverri-Toro LM, Santos ZM, García MG, Agudelo Y, Ramírez F, and Ospina S
- Subjects
- Adult, Aged, Case-Control Studies, Colombia, Female, Humans, Length of Stay, Male, Middle Aged, Pseudomonas Infections microbiology, Risk Factors, Tertiary Care Centers, Cross Infection microbiology, Drug Resistance, Multiple, Bacterial, Pseudomonas Infections etiology, Pseudomonas aeruginosa
- Abstract
Introduction: multi-resistant Pseudomonas aeruginosa (MR) is frequently associated with healthcare infections. Its epidemiology is complex and few studies help to understand it. A study about risk factors associated with this type of bacteria is needed., Objective: To determine risk factors associated with MR P. aeruginosa infection in hospitalized patients from the Hospital Universitario San Vicente Foundation-Medellin., Materials and Methods: case-control study to identify risk factors associated with infection by MR P. aeruginosa., Results: 140 patients were included, 70 in each group. Bivariate analysis found association with previous use of carbapenems (OR 3.12 - IC 1.21 to 8.03, p = 0.02), aminoglycosides (OR 5.09 - CI: 1.38 to 18, 77, p = 0.01) and days of stay prior to isolation of the organism (OR 1.03 - CI: 1.01-1.05, p = 0.01). In multivariate analysis MR P. aeruginosa infection was associated with hospital stay (OR 1.03 - IC 1.01 to 1.05), use of aminoglycosides (OR 1.30 to 19.28) and treatment with two or more antimicrobials in the last 30 days (OR 3.09 - CI: 1.26 to 7.58). The risk of developing infection was 3% per day of hospital stay prior to isolation of the agent., Conclusion: Developing MR P. aeruginosa infection was associated with prior use of antimicrobials and prior hospital stay.
- Published
- 2014
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