Background: We conducted a real-world analysis of the effectiveness of different antibiotic regimens for bloodstream infections (BSIs) caused by carbapenem-resistant gram-negative bacilli (CR-GNB) in a Chinese population.
Methods: A retrospective observational study was conducted between January 2010 and December 2017. Patients with BSIs caused by CR-GNB confirmed by in vitro susceptibility tests were enrolled, and patient medical record data on antimicrobial agents and microbiological and clinical outcomes were extracted.
Results: A total of 175 individuals were included; 127 individuals (72.6%) received combination therapy (two or more antibiotics), while 48 individuals (27.4%) received monotherapy (single antibiotic). The all-cause 28-day mortality was 20.0%. Treatment success or presumed success rates were very similar between the monotherapy and combination therapy groups (58.3% versus 59.1%; P = 0.931). Combination therapy had a higher success rate trend than monotherapy in septic shock patients (40.7% versus 18.2%; P = 0.268). Improved therapeutic effects were observed in the active agent-containing group, although the differences were not significant.
Conclusion: Combination therapy likely has better therapeutic effects on critical BSIs caused by CR-GNB than monotherapy. Choosing a proper active agent in an antimicrobial regime is relatively crucial to the ultimate treatment outcome.
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| http://dx.doi.org/10.2147/IDR.S247378 | DOI Listing |
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