Treatment duration of complicated urinary tract infections by extended-spectrum beta-lactamases producing enterobacterales.

Background: Urinary tract infections caused by extended-spectrum beta-lactamase producing Enterobacterales (ESBL-EB) are a problem increasing in our clinical practice.

Objectives: The aim of this study was to evaluate the clinical outcome in patients who received short (≤ 7 days) versus long courses (>7 days) of antimicrobial therapy for complicated ESBL-EB urinary tract infections.

Methods: This is a retrospective and observational study.