Impact of antibiotic de-escalation on hospitalized patients with urinary tract infections: A retrospective cohort single center study
Abstract
BACKGROUND
Urinary tract infections (UTIs) can be caused by multiple drug-resistant bacteria. Empirical broad-spectrum antibiotics help minimize the risk of disease progression. Although antibiotic de-escalation is important to reduce resistance, adverse drug effects, and costs, few studies have evaluated the impact of antibiotic de-escalation on complicated UTIs in hospitalized patients.
METHODS
In this retrospective cohort single center observational study conducted over a period of 1 year at Prince Sultan Military Medical City (PSMMC), the rate of antibiotic de-escalation following reporting culture and sensitivity results, hospital length of stay (LOS), and factors associated with antibiotic de-escalation failure were determined.
RESULTS
Ninety-one patients were enrolled in this study. Baseline characteristics were comparable between groups. The rate of successful de-escalation was 29.7% (27 patients) while 70.3% (64 patients) failed to experience de-escalation. The median hospital LOS was significantly lower in successfully de-escalated patients, at 3 days interquartile range (IQR) (2-6), while in the failed group it was 10 days IQR (6-21) (p<0.001). However, the identified factor associated with failure was a multidrug-resistant (MDR) pathogen that was significantly higher in the failed group than in the successful group: 38 patients (59.4%) versus 6 patients (22.2%; p<0.001), respectively.
CONCLUSION
Antibiotic de-escalation is an essential antimicrobial stewardship…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 64 participants or records.
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