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Published on: August 30, 2018
Recognition and prevention of multidrug-resistant Gram-negative bacteria in the intensive care unit
1Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA. Lmaraga1@jhmi.edu
Abstract:
Multidrug-resistant Gram-negative bacteria pose a serious and rapidly emerging threat to patients in healthcare settings and are especially prevalent and problematic in intensive care units. Few antimicrobial treatment options remain for patients infected with the most resistant of these pathogens. Recent data shed light on the extent of the multidrug-resistant Gram-negative problem and suggest potential strategies to prevent transmission and improve clinical outcomes. This review examines the clinical impact and epidemiology of multidrug-resistant Gram-negative bacteria as a cause of healthcare-associated infections in critically ill patients, discusses issues regarding detection and recognition of these organisms, and reviews recommended methods to prevent patient-to-patient transmission of these formidable pathogens. Recent guidance from the Centers for Disease Control and Prevention for detection and control of carbapenemase-producing Enterobacteriaceae is discussed, along with potential strategies to optimize the existing antimicrobial treatment options for patients with multidrug-resistant Gram-negative infections.
Insights
Multidrug-resistant Gram-negative bacteria are a growing threat in intensive care units, with limited treatment options. This review explores their impact, detection, and prevention strategies to improve patient outcomes.
Area of Science:
- Infectious Diseases
- Critical Care Medicine
- Microbiology
Background:
- Multidrug-resistant Gram-negative bacteria (MDRGN) present a significant and escalating threat in healthcare settings, particularly within intensive care units (ICUs).
- Limited antimicrobial options are available for infections caused by highly resistant MDRGN pathogens.
- Healthcare-associated infections (HAIs) caused by MDRGN in critically ill patients are a major clinical concern.
Purpose of the Study:
- To review the clinical impact and epidemiology of MDRGN in critically ill patients.
- To discuss challenges in the detection and recognition of these resistant organisms.
- To examine strategies for preventing patient-to-patient transmission and optimizing antimicrobial therapy.
Main Methods:
- Literature review focusing on clinical impact, epidemiology, detection, and prevention of MDRGN in healthcare settings.
- Analysis of recent data and guidelines, including those from the Centers for Disease Control and Prevention (CDC).
- Discussion of current and potential antimicrobial treatment strategies for MDRGN infections.
Main Results:
- MDRGN infections are prevalent in ICUs and associated with severe patient outcomes.
- Effective detection and prompt recognition are crucial for managing MDRGN infections.
- Preventing transmission through recommended methods is vital to control the spread of these pathogens.
Conclusions:
- Addressing the threat of MDRGN requires a multi-faceted approach including surveillance, infection control, and optimized treatment.
- Adherence to guidelines for detection and control, such as those for carbapenemase-producing Enterobacteriaceae, is essential.
- Further research and strategic implementation of interventions are needed to combat MDRGN infections in critically ill patients.
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