Date: 10 Apr 2013

Linezolid versus vancomycin or teicoplanin for nosocomial pneumonia: meta-analysis of randomised controlled trials

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Abstract

Methicillin-resistant Staphylococcus aureus (MRSA) is an important cause of nosocomial pneumonia. Compared with glycopeptide antibiotics, linezolid achieves higher lung epithelial lining fluid concentrations, which may have an advantage in treating nosocomial pneumonia patients. The objective of this study was to evaluate the efficacy and safety of linezolid versus vancomycin or teicoplanin for the treatment of nosocomial pneumonia. Data were obtained from the Cochrane Central Register of Controlled Trials and the EMBASE and MEDLINE databases. Randomised controlled studies involving the use of linezolid versus vancomycin or teicoplanin in nosocomial pneumonia patients were included in the study. Twelve linezolid trials were included. There was no statistically significant difference between the two groups in the treatment of nosocomial pneumonia regarding the clinical cure rate [relative risk (RR) = 1.08, 95 % confidence interval (CI) = 1.00–1.17, p = 0.06]. Linezolid was associated with better microbiological eradication rate in nosocomial pneumonia patients compared with glycopeptide antibiotics (RR = 1.16, 95 % CI = 1.03–1.31, p = 0.01). There were no differences in the all-cause mortality (RR = 0.95, 95 % CI = 0.83–1.09, p = 0.46) between the two groups. However, the risks of rash (RR = 0.41, 95 % CI = 0.24–0.71, p = 0.001) and renal dysfunction (RR = 0.41, 95 % CI = 0.27–0.64, p < 0.0001) were higher with glycopeptide antibiotics. Although linezolid was more effective in eradicating microbiology than glycopeptide antibiotics for nosocomial pneumonia patients, it did not demonstrate superiority in clinical cure. The incidences of renal dysfunction and rash are higher in the glycopeptide antibiotics group.

H. Jiang and R.-N. Tang contribute equally to this article and should be considered as co-first authors.