• Matteo Bassetti, Jan J De Waele, Philippe Eggimann, Josè Garnacho-Montero, Gunnar Kahlmeter, Francesco Menichetti, David P Nicolau, Jose Arturo Paiva, Mario Tumbarello, Tobias Welte, Mark Wilcox, Jean Ralph Zahar, and Garyphallia Poulakou.
• Infectious Diseases Division, Santa Maria Misericordia University Hospital, Udine, Italy, mattba@tin.it.
• Intensive Care Med. 2015 May 1; 41 (5): 776-95.

AbstractThe antibiotic pipeline continues to diminish and the majority of the public remains unaware of this critical situation. The cause of the decline of antibiotic development is multifactorial and currently most ICUs are confronted with the challenge of multidrug-resistant organisms. Antimicrobial multidrug resistance is expanding all over the world, with extreme and pandrug resistance being increasingly encountered, especially in healthcare-associated infections in large highly specialized hospitals. Antibiotic stewardship for critically ill patients translated into the implementation of specific guidelines, largely promoted by the Surviving Sepsis Campaign, targeted at education to optimize choice, dosage, and duration of antibiotics in order to improve outcomes and reduce the development of resistance. Inappropriate antimicrobial therapy, meaning the selection of an antibiotic to which the causative pathogen is resistant, is a consistent predictor of poor outcomes in septic patients. Therefore, pharmacokinetically/pharmacodynamically optimized dosing regimens should be given to all patients empirically and, once the pathogen and susceptibility are known, local stewardship practices may be employed on the basis of clinical response to redefine an appropriate regimen for the patient. This review will focus on the most severely ill patients, for whom substantial progress in organ support along with diagnostic and therapeutic strategies markedly increased the risk of nosocomial infections.

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