Infection · 2025
Clinical outcomes of patients hospitalized in internal medicine wards adequately treated for bloodstream infections caused by NDM-producing Klebsiella pneumoniae. Results from a real-life retrospective multi-center study in an endemic area.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Meini Simone, Del Cesta Roberta, Sbrana Francesco, Rosada Javier, Carrara Davide, Mura Maddalena, Longo Benedetta, Andreini Roberto, Linsalata Giuseppe, Fedele Alessandro, Filidei Francesco, Ripoli Andrea, Andreoli Elisabetta, Tagliaferri Enrico, Sani Spartaco
Аннотация
BACKGROUND: New Delhi metallo-beta-lactamase (NDM)-producing Klebsiella pneumoniae (NDM-Kp) represents a growing challenge for modern medicine.
OBJECTIVES: To assess real-life clinical outcomes in patients adequately treated in Internal medicine units (IMUs) for bloodstream infections (BSI) caused by NDM-Kp.
METHODS: A two-years retrospective study was conducted recruiting 30 consecutive adult patients with NDM-Kp BSI treated with an adequate definitive antibiotic therapy (27 aztreonam plus ceftazidime/avibactam; 3 cefiderocol) in three Italian IMUs located in a highly endemic area.
RESULTS: Mean age of patients was 75.3 years, mean Charlson Comorbidity Index (CCI) 7.5. All the patients had rectal colonization. Thirty-day mortality rate was 46.7%; 78.6% of patients who died received an adequate empiric therapy. Non-survivors had mean age, CCI and SOFA score significantly higher compared to survivors (80.1 vs. 71.2, p = 0.036; 8.6 vs. 6.6, p = 0.047; 5.9 vs. 4, p = 0.043, respectively). The percentage of survivors was significantly higher among the 13 cases with community-acquired than in the 17 with hospital-acquired BSI (76.9% vs. 35.3%, p = 0.024). In the multivariate penalized logistic regression analysis, age, CCI, SOFA score and hospital-acquired BSI onset were identified as independent predictors of mortality.
CONCLUSION: This study provides real-life data on clinical outcomes regarding old and highly multimorbid patients hospitalized in IMU for BSI caused by NDM-Kp, showing a very high 30-day mortality even in case of adequate treatment.
OBJECTIVES: To assess real-life clinical outcomes in patients adequately treated in Internal medicine units (IMUs) for bloodstream infections (BSI) caused by NDM-Kp.
METHODS: A two-years retrospective study was conducted recruiting 30 consecutive adult patients with NDM-Kp BSI treated with an adequate definitive antibiotic therapy (27 aztreonam plus ceftazidime/avibactam; 3 cefiderocol) in three Italian IMUs located in a highly endemic area.
RESULTS: Mean age of patients was 75.3 years, mean Charlson Comorbidity Index (CCI) 7.5. All the patients had rectal colonization. Thirty-day mortality rate was 46.7%; 78.6% of patients who died received an adequate empiric therapy. Non-survivors had mean age, CCI and SOFA score significantly higher compared to survivors (80.1 vs. 71.2, p = 0.036; 8.6 vs. 6.6, p = 0.047; 5.9 vs. 4, p = 0.043, respectively). The percentage of survivors was significantly higher among the 13 cases with community-acquired than in the 17 with hospital-acquired BSI (76.9% vs. 35.3%, p = 0.024). In the multivariate penalized logistic regression analysis, age, CCI, SOFA score and hospital-acquired BSI onset were identified as independent predictors of mortality.
CONCLUSION: This study provides real-life data on clinical outcomes regarding old and highly multimorbid patients hospitalized in IMU for BSI caused by NDM-Kp, showing a very high 30-day mortality even in case of adequate treatment.