Antimicrobial Resistance Trends in Urine Escherichia coli Isolates From Adult and Adolescent Females in the United States From 2011–2019: Rising ESBL Strains and Impact on Patient Management
Uncomplicated urinary tract infection (uUTI) is predominantly caused by Escherichia coli, which has increasing antimicrobial resistance (AMR) at the US-community level. As uUTI is often treated empirically, assessing AMR is challenging and there are limited contemporary data characterizing period prevalence in the US.
Period prevalence of AMR among US outpatient urine-isolated Escherichia coli was high, and for multi-drug-resistance phenotypes increased during the study period with significant variation between census regions. Knowledge of regional AMR rates helps inform empiric treatment of community-onset uUTI and highlights the AMR burden to physicians.
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