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Pseudomonas aeruginosa Serious Infections: Mono or Combination Antimicrobial Therapy?

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P. aeruginosa is a serious cause of infection with reported rates of mortality being up to 61%. Several studies evidenced a correlation between hospital mortality due to P. aeruginosa bloodstream infections and an inappropriate antimicrobial treatment. Increasing resistance in P. aeruginosa isolates complicates the selection of adequate empirical therapy in severe infections and P. aeruginosa is often indistinguishable from other gram-negative bacterial infections. For these reasons, present guidelines for the treatment of suspected P. aeruginosa bacteraemia recommend the rapid introduction of empirical antimicrobial therapy that includes at least one antipseudomonal agent until having microbiological results. Current consensus favours the use of empirical combination, balancing the potential for greater toxicity against the lower emergence of antimicrobial resistance and the greater killing that might be achieved by combination therapies acting synergistically. Advantages and disadvantages of combination therapy towards monotherapy for P. aeruginosa severe infections, current antibiotics used for P. aeruginosa severe infections and main studies published on this issue are reviewed.
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Keywords: P. aeruginosa; aminoglycosides; antibiotic; beta-lactam; combination; fluoroquinolones; infection; treatment

Document Type: Research Article

Affiliations: Clinica Malattie Infettive, Azienda Ospedaliera Universitaria San Martino, Largo R. Benzi 10, 16132 Genova, Italy.

Publication date: 2008-02-01

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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