Journal
JOURNAL OF INFECTION
Volume 56, Issue 6, Pages 432-436Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.jinf.2008.04.002
Keywords
colistin; ampicillin/sulbactam; Acinetobacter; ventilator-associated; pneumonia (VAP)
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Objective: To compare the safety and efficacy of ampicillin/sulbactam (Amp/ Sulb) and colistin (COL) in the treatment of multidrug resistant Acinetobacter baumannii ventilator-associated pneumonia (VAP). Methods: A prospective cohort study in adult critically ill patients with VAP. Patients were randomly assigned to receive Amp/Sulb (9 g every 8 h) or COL (3 MIU every 8 h) intravenously. Dosage was adjusted according to creatinine clearance. Results: A total of 28 patients were enrolled (15 COL, 13 Amp/Sulb). Resolution of symptoms and signs occurred in 60% (9/15) of the COL group and 61.5% (9/13) of the Amp/Sulb group, improvement in 13.3% (2/15) vs. 15.3% (1/13) and failure in 26.6% (4/15) vs. 23% (3/13), respectively. The difference was not statistically significant. Bacteriologic success was achieved in 66.6% (10/15) vs. 61.5% (8/13) in the COL and Amp/Sulb groups, respectively (p < 0.2). Mortality rates (14 days and 28 days) were 15.3% and 30% for the Amp/Sulb and 20% and 33% for the COL group, respectively. Adverse events were 39.6% (including 33% nephrotoxicity) for the COL group and 30.7% (15.3% nephrotoxicity) for the Amp/Sulb group (p = NS). Conclusion: Colistin and high-dose ampicillin/sulbactam were comparably safe and effective treatments for critically ill patients with MDR A. baumonnii VAR (C) 2008 The British Infection Society. Published by Elsevier Ltd. All rights reserved.
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