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Published on: July 9, 2012
Management of antibiotic resistance in the intensive care unit setting
Nicola Petrosillo1, Alessandro Capone, Stefano Di Bella
12nd Infectious Diseases Division, National Institute for Infectious Diseases L. Spallanzani, Via Portuense, 292-00149 Rome, Italy. nicola.petrosillo@inmi.it
Abstract:
Over the past few decades, an alarming increase of infections caused by antibiotic-resistant pathogens, including methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus species, carbapenem-resistant Pseudomonas aeruginosa, extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella spp., and multidrug-resistant Acinetobacter spp., has been observed, particularly in intensive care units. For clinicians, the rising resistance rate observed in nosocomial pathogens, when coupled with the lack of effective antimicrobials, represents the real challenge in the therapeutic management of critically ill patients. The contribution of clinicians in minimizing the increasing trend of resistance is represented by reduction of the patients' exposure to antibiotics, which reduces the resistance-selecting pressure, and by avoiding unnecessary antibiotic treatments. Recent issues on strategies to minimize resistance development and to appropriately manage critically ill patients with infections caused by multidrug-resistant organisms in the intensive care unit setting are discussed in this article.
Insights
Antibiotic resistance is increasing in intensive care units, posing a challenge for treating critically ill patients. Clinicians can reduce resistance by limiting antibiotic exposure and avoiding unnecessary treatments.
Area of Science:
- Infectious Diseases
- Critical Care Medicine
- Microbiology
Background:
- Rising rates of antibiotic-resistant infections, including MRSA, VRE, CRE, ESBL-producing E. coli/Klebsiella, and MDR Acinetobacter, are a significant global health concern.
- These resistant pathogens are particularly prevalent in intensive care units (ICUs).
- The increasing resistance, coupled with a lack of novel antimicrobials, complicates the treatment of infections in critically ill patients.
Purpose of the Study:
- To discuss strategies for minimizing the development of antibiotic resistance.
- To outline approaches for the appropriate management of critically ill patients with infections caused by multidrug-resistant organisms (MDROs) in the ICU setting.
Main Methods:
- Review of current literature and clinical practices regarding antibiotic resistance in ICUs.
- Discussion of antimicrobial stewardship principles and their application in critical care.
- Analysis of challenges in treating MDRO infections in critically ill populations.
Main Results:
- Clinicians play a crucial role in curbing resistance trends through judicious antibiotic use.
- Reducing patient exposure to antibiotics lowers resistance-selecting pressure.
- Avoiding unnecessary antibiotic treatments is a key strategy to combat resistance.
Conclusions:
- Effective management of antibiotic resistance in ICUs requires a dual approach: minimizing resistance development and optimizing treatment for existing MDRO infections.
- Antimicrobial stewardship programs are essential for preserving the efficacy of existing antibiotics.
- Further research and implementation of evidence-based strategies are needed to address the growing threat of antibiotic resistance in critical care.
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