Survival of carbapenem-resistant Acinetobacter baumannii bacteremia: colistin monotherapy versus colistin plus meropenem
- Authors
- Park, So Yeon; Si, Hye Jun; Eom, Joong Sik; Lee, Jin Seo
- Issue Date
- Dec-2019
- Publisher
- SAGE PUBLICATIONS LTD
- Keywords
- Bacteremia; Acinetobacter baumannii; colistin; meropenem; outcome; logistic regression
- Citation
- JOURNAL OF INTERNATIONAL MEDICAL RESEARCH, v.47, no.12, pp.5977 - 5985
- Journal Title
- JOURNAL OF INTERNATIONAL MEDICAL RESEARCH
- Volume
- 47
- Number
- 12
- Start Page
- 5977
- End Page
- 5985
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/2938
- DOI
- 10.1177/0300060519879336
- ISSN
- 0300-0605
- Abstract
- Objective The aim of this study was to compare clinical outcomes between patients with carbapenem-resistant Acinetobacter baumannii (CRAB) bacteremia treated with colistin monotherapy and those treated with colistin plus meropenem. Methods We retrospectively evaluated data from 71 patients with CRAB bacteremia treated from November 2006 to February 2018. Predictors of 14-day mortality were determined through logistic regression analysis. Results Our study cohort included 40 bacteremia patients (44.6 %) treated with colistin monotherapy and 31 (55.4 %) treated with colistin plus meropenem. Overall 14-day mortality tended to be higher with monotherapy rather than combination therapy (47.5% vs 25.8%). The latter also showed a tendency for higher clinical success rate compared with monotherapy (61.3% vs 40.0%). Logistic regression analysis showed that Pitt bacteremia score, pneumonia, and combination therapy were significantly associated with mortality. In patients with higher Pitt bacteremia score (>= 4), mortality was significantly higher with monotherapy compared with combination therapy (66.7% vs 27.8%). In patients with lower Pitt bacteremia score (<= 3), mortality was similar between the two treatment groups (26.3% vs 23.1%). Conclusion Treatment with colistin plus meropenem improves survival in critically-ill patients with CRAB.
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