Factors associated with multidrug-resistant bacteria in a cohort of patients with asymptomatic bacteriuria who underwent urological surgery.

Although the factors associated to bacterial resistance in patients with asymptomatic bacteriuria (ASB) have been studied in pregnant, fertile age women, patients with spinal cord injury, and those with urogynecological disorders, nothing is known about the factors associated with multidrug-resistant (MDR) bacteria in patients with ASB and planned urological procedures. This study therefore sought to identify the sociodemographic and clinical factors associated with MDR bacteria in a cohort of patients with ASB scheduled for urological procedures.

We conducted a nested case-control study on a cohort of patients with ASB and planned urological procedures at 3 Colombian medical centers. Cases were patients with MDR bacteria and controls were patients without MDR bacteria.

A total of 184 patients were included, 41.8% (n = 77) of whom presented ASB with MDR bacteria. The factors linking ASB with MDR bacteria were: advanced age (odds ratio, 1.03; 95% confidence interval, 1.01-1.06) and hospitalization within the 3-month period before surgery (odds ratio, 2.35; 95% confidence interval, 1.08-5.21).

Bacterial resistance is frequent among patients with ASB and planned urological procedures. Advanced age and prior hospitalization should be borne in mind for patients with planned urological procedures because they are factors associated with the presence of MDR bacteria.

American journal of infection control. 2019 Jul 19 [Epub ahead of print]

Jorge A Ramos-Castaneda, Alberto Ruano-Ravina, Diego F Salinas, Javier Osorio-Manrique, Angela M Segura-Cardona, Elkin V Lemos-Luengas

Public Health Observatory, Graduate School, Universidad CES, Medellín, Colombia. Electronic address: ., Department of Preventive Medicine and Public Health, Universidad de Santiago de Compostela, España CIBER of Epidemiology and Public Health, CIBERESP, Madrid, Spain., Infectious Diseases Unit, Hospital Universitario Hernando Moncaleano Perdomo, Neiva, Colombia., Department of Urology, Centro Especializado de Urología, Neiva, Colombia., Public Health Observatory, Graduate School, Universidad CES, Medellín, Colombia., Public Health Observatory, Universidad CES, Medellín, Colombia.

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