Multidrug resistance and its association with Enterobacteriales and age among pregnant Peruvian women with- bacteremia
2020
Antonio M Quispe | Gabriela Soza | Maria J Pons
Introduction: This study aimed to assess the prevalence of multidrug resistance (MDR) and its associated factors among pregnant Peruvian women with bacteremia. Methodology: In an 18-month cross-sectional study, all pregnant women were routinely tested with a presumptive diagnosis of sepsis admitted to the largest reference maternity hospital (Instituto Nacional Materno Perinatal) in Lima, Peru for bacteremia. Every isolate was tested for antimicrobial susceptibility as defined by the Institute of Clinical and Laboratory Standards (CLSI). Additionally, associated factors were assessed with MDR and the number of resistant antimicrobial categories using robust Poisson regression models with link log, especially focused on its association with age and bacterial families or species. Results: A total of 236 blood cultures of pregnant women (33.4 ± 11.4 years old) was analyzed. The prevalence of MDR was 70% (95% confidence interval [CI]: 64%–76%). The main etiological agent was Escherichia coli (65%), showing an MDR rate of 74% (68%–81%). Overall, we observed that the MDR rate was associated with Enterobacteriales (adjusted prevalence rate, (aPR) = 1.29; 95% CI: 1.03–1.61) and age 35 or older (PR = 1.18; 95% CI: 1.01–1.39). However, the number of resistant antimicrobial categories was associated with Enterobacteriales (aPR = 1.44; 95% CI: 1.25–1.67) and hospital-acquired infections (PR = 0.81; 95% CI: 1.01–1.39). Conclusions: The prevalence of MDR among pregnant women with sepsis was alarmingly high, being even higher among women age 35 or older and among those with hospital-acquired infections.
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