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Antibiotic selection in the treatment of acute invasive infections by Pseudomonas aeruginosa: Guidelines by the Spanish Society of Chemotherapy
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Pseudomonas aeruginosa is characterized by a notable intrinsic resistance to antibiotics, mainly mediated by the expression of inducible chromosomic β-lactamases and the production of constitutive or inducible efflux pumps. Apart from this intrinsic resistance, P. aeruginosa possess an extraordinary ability to develop resistance to nearly all available antimicrobials through selection of mutations. The progressive increase in resistance rates in P. aeruginosa has led to the emergence of strains which, based on their degree of resistance to common antibiotics, have been defined as multidrug resistant, extended-resistant and panresistant strains. These strains are increasingly disseminated worldwide, progressively complicating the treatment of P. aeruginosa infections. In this scenario, the objective of the present guidelines was to review and update published evidence for the treatment of patients with acute, invasive and severe infections caused by P. aeruginosa. To this end, mechanisms of intrinsic resistance, factors favoring development of resistance during antibiotic exposure, prevalence of resistance in Spain, classical and recently appeared new antibiotics active against P. aeruginosa, pharmacodynamic principles predicting efficacy, clinical experience with monotherapy and combination therapy, and principles for antibiotic treatment were reviewed to elaborate recommendations by the panel of experts for empirical and directed treatment of P. aeruginosa invasive infections.
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MENSA PUEYO, Josep, BARBERÁN, José, SORIANO VILADOMIU, Alex, LLINARES, Pedro, MARCO REVERTÉ, Francesc, CANTÓN, Rafael, BOU, Germán, GONZÁLEZ DEL CASTILLO, Juan, MASEDA, Emilio, AZANZA, José ramón, PASQUAU, Juan, GARCIA VIDAL, Carolina, REGUERA, José maría, SOUSA, Dolores, GÓMEZ, Joaquín, MONTEJO, Miguel, BORGES, Marcio, TORRES MARTÍ, Antoni, ÁLVAREZ LERMA, Francisco, SALAVERT, Miguel, ZARAGOZA, Rafael, OLIVER, Antoni. Antibiotic selection in the treatment of acute invasive infections by Pseudomonas aeruginosa: Guidelines by the Spanish Society of Chemotherapy. _Revista Espanola de Quimioterapia_. 2018. Vol. 31, núm. 1, pàgs. 78-100. [consulta: 21 de gener de 2026]. ISSN: 0214-3429. [Disponible a: https://hdl.handle.net/2445/157177]