Tanya Babich1,2, Oren Zusman1,2, Michal Elbaz1,2, Haim Ben-Zvi3, Mical Paul4, Leonard Leibovici1,2, Tomer Avni1,2. 1. Department of Medicine E, Beilinson Hospital, Rabin Medical Center, Petah-Tikva. 2. Sackler Faculty of Medicine, Tel-Aviv University. 3. Microbiology Lab, Beilinson Hospital, Rabin Medical Center, Petah-Tikva. 4. Infectious Diseases Institute, Rambam Health Care Campus, Haifa, Israel.
Abstract
BACKGROUND: Catheter associated urinary tract infection (CAUTI) is the most common healthcare-associated acquired infection. We aimed to describe the short- and long-term survival of patients with CAUTI and the impact of the empirical antibiotic treatment on survival rates. METHODS: In this prospective observational study we included consecutive adult patients with a chronic indwelling catheter-associated UTI and sepsis hospitalized in medical departments. The primary outcomes were 30-days all-cause mortality and long-term survival at end of the follow-up. A multivariate analysis using logistic regression and Cox proportional hazard model was performed to identify independent risk factors for an adverse outcome. A propensity-score model for receiving appropriate empirical antibiotic therapy was constructed and used to match patients. RESULTS: Overall, 315 consecutive patients with CAUTI were enrolled. The cohort consisted of elderly to very old patients (mean age 79.2 ± 11.5). The crude 30-day all-cause mortality rate was 30.8% (97/315). The median survival time was 82 days (interquartile range [IQR] 22-638). Appropriate early empirical treatment had no statistically significant association with 30-day mortality, propensity score-matched odds ratio (OR) 1.39 (0.76-2.55). Similarly, in the propensity-matched cohort, appropriate empirical treatment was not statistically associated with long-term survival (hazard ratio [HR] = 0.99, 95% confidence interval [CI] 0.75-1.3). CONCLUSIONS: In our setting, patients with CAUTI had poor short- and long-term prognosis regardless of appropriate empirical antibiotic treatment. Avoiding empirical antibiotics for CAUTI might be an important antibiotic stewardship intervention in hospitals.
BACKGROUND: Catheter associated urinary tract infection (CAUTI) is the most common healthcare-associated acquired infection. We aimed to describe the short- and long-term survival of patients with CAUTI and the impact of the empirical antibiotic treatment on survival rates. METHODS: In this prospective observational study we included consecutive adult patients with a chronic indwelling catheter-associated UTI and sepsis hospitalized in medical departments. The primary outcomes were 30-days all-cause mortality and long-term survival at end of the follow-up. A multivariate analysis using logistic regression and Cox proportional hazard model was performed to identify independent risk factors for an adverse outcome. A propensity-score model for receiving appropriate empirical antibiotic therapy was constructed and used to match patients. RESULTS: Overall, 315 consecutive patients with CAUTI were enrolled. The cohort consisted of elderly to very old patients (mean age 79.2 ± 11.5). The crude 30-day all-cause mortality rate was 30.8% (97/315). The median survival time was 82 days (interquartile range [IQR] 22-638). Appropriate early empirical treatment had no statistically significant association with 30-day mortality, propensity score-matched odds ratio (OR) 1.39 (0.76-2.55). Similarly, in the propensity-matched cohort, appropriate empirical treatment was not statistically associated with long-term survival (hazard ratio [HR] = 0.99, 95% confidence interval [CI] 0.75-1.3). CONCLUSIONS: In our setting, patients with CAUTI had poor short- and long-term prognosis regardless of appropriate empirical antibiotic treatment. Avoiding empirical antibiotics for CAUTI might be an important antibiotic stewardship intervention in hospitals.
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